Climate of Houston
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The climate of Houston is classified as a
humid subtropical climate A humid subtropical climate is a zone of climate characterized by hot and humid summers, and cool to mild winters. These climates normally lie on the southeast side of all continents (except Antarctica), generally between latitudes 25° and 40° ...
, with tropical influences. August normally ranks as the warmest month at an average temperature of and January the coldest month at an average temperature of .NOAA 1981-2010 normals
/ref> The normal annual precipitation measures . Rainfall is ample throughout the year, though dry spells do occur. Severe weather of Houston mostly takes the form of flooding, which occurs most commonly in the months of May to October, which is the city's monsoon season. Supercell thunderstorms sometimes bring tornadoes to the area, most commonly during spring. Houston sometimes experiences tropical cyclones during the
Atlantic hurricane season The Atlantic hurricane season is the period in a year from June through November when tropical cyclones form in the Atlantic Ocean, referred to in North American countries as hurricanes, tropical storms, or tropical depressions. In addition ...
, which can bring heavy rain and significant damage to the city. The last hurricane to hit was
Hurricane Nicholas Hurricane Nicholas was a slow and erratic Category 1 hurricane that made landfall in the U.S. state of Texas in mid-September 2021. The fourteenth named storm, and sixth hurricane of the 2021 Atlantic hurricane season, Nicholas originated from a ...
in 2021.


Seasonal observation

Temperature-wise the city (and much of Southeast Texas) has four distinct seasons (Summer, Spring, Fall, Winter), but weather wise the city has only two seasons (rainy and dry). The wet season lasts from April/May to September/October, the dry season lasts from November/December to March/April. However, during
El Nino EL, El or el may refer to: Religion * El (deity), a Semitic word for "God" People * EL (rapper) (born 1983), stage name of Elorm Adablah, a Ghanaian rapper and sound engineer * El DeBarge, music artist * El Franco Lee (1949–2016), American po ...
or La Nina years the wet and dry season can often either last longer than usual or be delayed.


Summer

June through August in Houston is very
hot Hot or the acronym HOT may refer to: Food and drink *Pungency, in food, a spicy or hot quality *Hot, a wine tasting descriptor Places * Hot district, a district of Chiang Mai province, Thailand **Hot subdistrict, a sub-district of Hot Distric ...
and
humid Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. Humidity indicates the likelihood for precipitation, dew, or fog to be present. Humidity depen ...
, often with scattered afternoon showers and thunderstorms. At George Bush Intercontinental Airport, the normal daily high temperature peaks at on 5–12 August, with a normal of 102.4 days per year at or above and 3.5 days per year at or above . The average relative humidity ranges from over 90 percent in the morning to around 60 percent in the afternoon.
Summer Summer is the hottest of the four temperate seasons, occurring after spring and before autumn. At or centred on the summer solstice, the earliest sunrise and latest sunset occurs, daylight hours are longest and dark hours are shortest, wit ...
temperatures in Houston are very similar to average temperatures seen in tropical climates, such as in the Philippines and the lower elevations of Central America. The value of relative humidity results in a
heat index The heat index (HI) is an index that combines air temperature and relative humidity, in shaded areas, to posit a human-perceived equivalent temperature, as how hot it would feel if the humidity were some other value in the shade. The result is als ...
higher than the actual temperature. The highest temperature ever recorded at George Bush Intercontinental Airport was on September 4, 2000 and on August 27, 2011 and on August 24 2023 and on August 27 2023. On June 29, 2013, the temperature at George Bush Intercontinental Airport reached , the highest ever recorded in June. Heat stroke can strike people who stay outdoors for long periods of time during the summer, making hydration essential for outdoor work and recreational activity. The 2014 summer season did not yield 100+ degree weather in response to the monsoon-esque rainfall during late June to August, during a period where the Pacific Coast off Central America was heating up, which evolved into the 2014–16 El Nino event - this cycle was also observed between 1971 and 1976, during post-El Nino intervals. Because of the high temperatures that persist in the months of April through October, most indoor workers in Houston spend the hottest part of the day in an air-conditioned environment. After World War II, air conditioning stimulated the growth of Houston, and was called the most air-conditioned city in the world in 1950.


Autumn

Autumn Autumn, also known as fall in American English and Canadian English, is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September ( Northern Hemisphere) or March ( Sou ...
in Houston is warm, with temperatures averaging in the upper 60s to lower 80s °F (20-28 °C) during the day and in the 40s to lower 60s °F (10-17 °C) at night. Cool fronts that move through the region during the fall can bring rain. Hurricanes can move into the area from the Gulf of Mexico, bringing heavy rains and high winds. However, most years see little or no significant hurricane activity. Flooding most frequently occurs in October and November, which is the end of the Southeast Texas wet season. Most of these flood events result from remnants of Eastern Pacific cyclones interacting with upper-level boundaries; October 2015 was the latest example of such an occurrence, wherein the remnants of Hurricane Patricia brought over 9 inches of rain to the city. The latest hurricane to reach Texas was Hurricane Harvey in August 2017.


Winter

Winters in Houston are relatively mild, dry, and temperate compared to most areas of the United States. Houston winters are, on average, colder than
South Florida South Florida is the southernmost region of the U.S. state of Florida. It is one of Florida's three most commonly referred to directional regions; the other two are Central Florida and North Florida. South Florida is the southernmost part of th ...
and Southern California, on par with southern Louisiana and Central Florida, but slightly warmer than Dallas, Atlanta, San Antonio,
Austin Austin is the capital city of the U.S. state of Texas, as well as the seat and largest city of Travis County, with portions extending into Hays and Williamson counties. Incorporated on December 27, 1839, it is the 11th-most-populous city ...
, and other inland southern cities. The average high in January, the coldest month, is and the low . George Bush Intercontinental Airport sees an average of 9.6 days per year of freezing temperatures. Cold fronts during the winter can bring nighttime lows that drop into the 30s but usually remain above freezing. The coldest weather of the season often includes temperatures in the low 30s to mid-40s at night. Hard freezes are not uncommon in North Houston; George Bush Intercontinental Airport has recorded at least one freeze every winter since it opened in 1969 except for 2023 when the lowest was 33 degrees. However, areas in the central or southern parts of the Houston metro area are consistently several degrees warmer on the coldest winter nights. Areas south of
Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
can have entire winters without a freeze. The coldest temperature ever recorded at George Bush Intercontinental Airport was on December 23, 1989. Elsewhere, the temperature in Houston dropped to on January 18, 1930. The all-time record low at Houston's Hobby Airport, closer to the city, is . In December, southward-moving cold fronts can bring cold rain, low wind chills, and, rarely, frozen precipitation. Early January is the coldest time of the year, with temperatures moderating slightly by February. Winter is also the driest part of the year for Houston.


Spring

Spring Spring(s) may refer to: Common uses * Spring (season), a season of the year * Spring (device), a mechanical device that stores energy * Spring (hydrology), a natural source of water * Spring (mathematics), a geometric surface in the shape of a ...
comes with a gradual warm up from winter, lasting from February through May. Temperatures are generally not hot yet, averaging from in the day and at night. Spring thunderstorms are common, often with spectacular lightning shows. This rainfall prompts Houston's 10-month-long "growing season" to begin. March sees the return of many types of insects, including butterflies and mosquitoes, to Houston's warm climate.


Precipitation

Rainfall is the most common form of precipitation in Houston and is plentiful throughout the year. The wettest month is June, with an average of of rain. The city (and much of South and Southeast Texas) has its own irregular monsoon season, which usually lasts from May to October, but sometimes April to September. Houston normally receives of precipitation on 104.0 days annually. The most precipitation to fall in one year was which occurred in 1979. Total rainfall in 2017, the year of
Hurricane Harvey Hurricane Harvey was a devastating Category 4 hurricane that made landfall on Texas and Louisiana in August 2017, causing catastrophic flooding and more than 100 deaths. It is tied with 2005's Hurricane Katrina as the costliest t ...
at
IAH Iah (Egyptian: ''jꜥḥ'', Coptic ) is a lunar deity in ancient Egyptian religion. The word ''jꜥḥ'' simply means "Moon". It is also transcribed as ''Yah'', ''Jah'', or ''Aah''. Worship By the New Kingdom (16th century to 11th century BC) ...
in northern Houston, was 79.69; rainfall the month of the storm, August 2017, at IAH totaled 39.11. Houston has received less than of rain only once: 17.66 inches in 1917. In 2011, a drought resulted in a total of 24.57 inches with less than 1 inch recorded at
IAH Iah (Egyptian: ''jꜥḥ'', Coptic ) is a lunar deity in ancient Egyptian religion. The word ''jꜥḥ'' simply means "Moon". It is also transcribed as ''Yah'', ''Jah'', or ''Aah''. Worship By the New Kingdom (16th century to 11th century BC) ...
in six of the year's 12 months; only 0.09 inch was recorded that August and 0.11 inch that April.
Flash flood A flash flood is a rapid flooding of low-lying areas: washes, rivers, dry lakes and depressions. It may be caused by heavy rain associated with a severe thunderstorm, hurricane, or tropical storm, or by meltwater from ice or snow flowing o ...
warnings are common all year, and due to the flat landscape, heavy rains often threaten life and property in the city. Sea breeze showers which are monsoon-like (especially during the summer months, originating from the mesoscale convective cycle, where the polar jet stream usually forms an omega block) are common throughout the Texas Gulf Coast area (from Brownsville to the Florida Peninsula), which has a similar climate to areas like Mumbai and Kolkata – locals refer to the sea breeze showers as the Gulf Coast Monsoon (also called the Gulf of Mexico or the Texas Monsoon), despite Houston being 50 feet above sea level. The sea breeze showers are also a contributor to the North American Monsoon. Sleet and freezing rain are more common than snow in the Houston area. While accumulating snow events are rare in Houston, brief snow flurries occur every winter in the greater Houston area. These usually have no impacts on travel as they are light, brief and isolated. Hail can accumulate but only in small quantities.


Extreme weather

Houston has occasional severe weather, mostly flooding. Hurricanes that have the potential to landfall bring severe damage to the area. Seven major hurricanes have hit the Galveston and Houston areas in the past 100 years. Four have done significant damage to Houston.


Hurricanes and tropical storms

Because Houston is on the Gulf of Mexico, the city has a high chance of being hit by hurricanes or tropical storms every hurricane season (June through November). In 1837, the Racer's Storm passed just to the south of the town, raising water levels four feet. The Great Hurricane of 1900 destroyed the nearby (and then much bigger) city of Galveston, which is situated on a barrier island southeast of downtown Houston. That hurricane weakened to a tropical storm by the time it reached Houston. The periphery of Hurricane Carla hit the city in 1961, causing major damage to Houston. At the time of landfall, Carla was the most powerful tropical system to hit the Texas coast in over 40 years. In 1983, the city was struck squarely by Hurricane Alicia, causing $1 billion of damage to the city during a down period in the city's economy. Tropical Storm Allison dumped up to of rain on parts of the city over a five-day period in 2001, and was the most destructive and costly natural disaster in Houston history prior to
Hurricane Harvey Hurricane Harvey was a devastating Category 4 hurricane that made landfall on Texas and Louisiana in August 2017, causing catastrophic flooding and more than 100 deaths. It is tied with 2005's Hurricane Katrina as the costliest t ...
. Area flooding was catastrophic and widespread. The storm completely overwhelmed the flood control system and caused 22 deaths in Houston and $6.05 billion (2006 USD) in damage. It was the only tropical storm in history to have its name retired until Tropical Storm Erika in Dominica in 2015. Tropical Storm Erin made landfall in August 2007 with heavy rainfall. A total of of rain fell elsewhere than George Bush Intercontinental Airport on August 16, and many roads and neighborhoods were flooded. Metropolitan Transit Authority of Harris County, Texas, halted its light rail and bus services in view of the effects. Four deaths in the city were attributed to the storm. The
Houston Fire Department City of Houston Fire Department (HFD) is the agency that provides fire protection and emergency medical services for the city of Houston, Texas, United States, the fourth largest city in the United States. HFD is responsible for preserving life and ...
reported 72 rescue operations.
Hurricane Ike Hurricane Ike () was a powerful tropical cyclone that swept through portions of the Greater Antilles and Northern America in September 2008, wreaking havoc on infrastructure and agriculture, particularly in Cuba and Texas. Ike took a sim ...
made landfall near
Galveston, Texas Galveston ( ) is a coastal resort city and port off the Southeast Texas coast on Galveston Island and Pelican Island in the U.S. state of Texas. The community of , with a population of 47,743 in 2010, is the county seat of surrounding Galvesto ...
in September 2008 as a Category 2 storm. Ike brought moderate rain but high winds for an unusually long duration (upwards of nine hours). The roof of Reliant Stadium (home of the Houston Texans NFL team) was damaged and windows were blown out of several high-rise buildings in downtown Houston. Storm surge affected areas around Galveston Bay, stripping some coastal islands of homes. Authorities prohibited non-emergency access to the island for many weeks. Hurricane Ike left ninety percent of people in the Houston Area without power. Trucks from around the country brought in emergency supplies, especially water and ice. Most of the city was without power for 2–3 days, others for 2 to 3 weeks.
Hurricane Harvey Hurricane Harvey was a devastating Category 4 hurricane that made landfall on Texas and Louisiana in August 2017, causing catastrophic flooding and more than 100 deaths. It is tied with 2005's Hurricane Katrina as the costliest t ...
made landfall in Rockport, Texas, very early on August 26, 2017. By August 30, Houston was flooded, due to torrential rainfall from the hurricane.


Flooding

Flooding is a recurring problem in Houston, this is on par with the fact that the city is on a flood plain and has a rainy season. It is especially severe in low-lying areas on the far east end of town along the San Jacinto River. The flat wetlands and paved-over coastal prairie around Houston drain slowly and easily flood. The area is drained by a network of bayous (small, slow-moving rivers, often dredged and enlarged to increase volume) and man-made drainage ditches, which are usually dry most of the year. In fall, cold fronts bring in rainstorms and flooding is not uncommon. This might flood certain low-lying intersections, but doesn't generally affect citizens or the business of the city. However, occasionally very heavy thunderstorms dump so much water on the city that widespread congestion and even property damage in low-lying areas result. Tropical Storm Allison in 2001 was so severe that many parts of town that had never flooded before were flooded seriously. Interstate 10 near downtown, which is below grade, was covered by over of water. Another storm happened in June 2015 ( Tropical Storm Bill) that had a similar impact on Houston, causing several highways to be closed due to the bayou overflowing; this event followed flooding from May 24–26. Another similar storm in April 2016 resulted in widespread, severe flooding across Houston and surrounding suburbs in an event later known as the "Tax Day Floods". In late August 2017, Hurricane Harvey flooded Houston, causing severe widespread damage and at least 14 deaths. On the night of May 18, 2021, a large and intense severe storm impacted Houston. It caused up to 4 inches of rain per hour in some areas.


Tornadoes

Unlike Dallas, Houston is not in Tornado Alley; however, smaller tornadoes can occur during severe weather. They are most likely to be found along frontal boundaries of an air mass during the spring months. Tornadoes in Houston usually measure a weak EF1 on the Enhanced Fujita scale and cause light to moderate damage to well-constructed buildings. The strongest recorded tornado in Houston history was an F4 on November 21, 1992, part of a large outbreak of tornadoes in Harris County.


Winter storms

There are usually a few days of freezing (≤) temperatures each year, though the average low in January, the coldest month, is still only or . Snow falls infrequently in the Magnolia City. When it does occur, it usually melts immediately on the ground with light accumulation on roofs and raised surfaces. Only very uncommonly does it accumulate on the ground. Since 1895, it has snowed 39 times in Houston at an average of about once every 3 years, though some decades have several instances of recorded snowfall while others have only one each (e.g., the 1930s and 1950s) and one decade where there wasn't any snowfall (1990s). The last recorded snowfall in Houston was on February 15, 2021. There were more incidences of snow in the 1980s on average than any other decade recorded, but the 2000s also witnessed more frequent and record-breaking snows. * February 14–February 15, 1895: of snow, its largest snowfall from one storm on record. * February 12, 1960: of snow. * January 11, 1973: of snow. * December 22, 1989: of snow with a record low of on December 23. * December 10, 2008: Tied the earliest accumulating snowfall record. * December 4, 2009: Broke the earliest accumulating snowfall record. * December 7, 2017: 0.7 inches (2 cm) of snow. * November 13, 2018 Broke Earliest Snowfall Record *February 15, 2021 *January 31 2023- trace *February 1 2023- trace The
2004 Christmas Eve snowstorm The 2004 Christmas Eve United States winter storm was a rare weather event that took place in Louisiana and Texas in the United States on December 24, 2004, before the storm moved northeast to affect the coastal sections of the Mid-Atlantic stat ...
brought a never-before-seen
white Christmas White Christmas most commonly refers to: * White Christmas (weather), snowfall or snow-covered ground on Christmas Day * "White Christmas" (song), a 1942 song written by Irving Berlin White Christmas may also refer to: Film, television, and the ...
to the region. Average annual snowfall is barely above zero, being less than the measurable amount of . In descending order of frequency, the most snow has fallen in January, followed by February, December, November, and finally a single occurrence on March 10, 1932, which was also the lowest recorded temperature for that month, . Occurrences of freezing rain, also known as ice storms, are more common than snow in Houston. Some of the most recent ice storms occurred in 1997, 2007, February 4, 2011, and January 16, 2018. An overnight event occurred from January 23, 2014 to January 24, another significant icing occurred a few days later on January 28, and a third event took place on March 4. These storms can be very disruptive since road crews are not equipped to handle such rare events over the city's expansive size. When ice occurs, roads and schools are usually closed. The city's Office of Emergency Management encourages driver's to "avoid driving unless absolutely necessary... if roadways are at risk of icing." Typically, such ice storms affect mainly the northern/western areas of the metro, while the southern/eastern areas are left with just cold rain. The ice storm that occurred on January 16, 2018, started as cold rain for several hours, before changing to a wintry mix and then eventually sleet and snow. Temperatures started in the low-mid 30s and quickly dropped to the 20s in the afternoon, and before dipping into the teens by the evening/overnight hours, which caused all the rain to turn to ice, accumulating a thickness up to 1" on some roads, bridges, overpasses, making it one of the worst winter storms in the history of the state. The Winter Storm of Feb 15th 2021 was a very Dangerous & Devastating one for the Houston Area, starting out mainly as Freezing Rain with a few flakes or sleet pellets mixing in at times, then transitioning into moderate/heavy sleet during the evening and finally changing over to snow overnight bringing anywhere between 1-4" inches of snow throughout the Houston area on top of a layer of ice/sleet, there were widespread power outages throughout the majority of the state including Houston/Harris County.


El Niño

During El Niño events, Houston winters are cooler and wetter than normal due to a stronger southern
jet stream Jet streams are fast flowing, narrow, meandering thermal wind, air currents in the Atmosphere of Earth, atmospheres of some planets, including Earth. On Earth, the main jet streams are located near the altitude of the tropopause and are west ...
, which can increase the length of the normal wet season in Houston. Increased clouds during El-Niño winters are what keep the temperatures from warming up. During La Niña events, the jet stream shifts further north, resulting in a warmer and drier winter. The chance of damage from tropical storms and hurricanes also goes up during La Niña events, due to decreased Atlantic wind shear. Post-El Niño weather during the spring usually result in increased rainfall, as demonstrated during the Memorial Day 2015 and Tax Day/Memorial Day/early June 2016 flood events, where the Houston Metro area (and the rest of the state) experienced a climate similar to the South Asian summer monsoon (in this case, a stalled low-pressure system—usually from an upper-level low from the northeast Pacific Ocean, migrates east, where the northern polar jet stream form the usual omega blocks—originates over the Four Corners region or the Sierra Madre Occidental/Sierra Madre Oriental mountain ranges in northern Mexico).


Environmental issues

Houston has had a troubled past with pollution of many types. This is due to the fact that Houston has been the home for the oil and gas industry since its inception in the early 1900s, when there was little environmental regulation. Harris County, where the bulk of the city has been historically located, is home to 15
Environmental Protection Agency A biophysical environment is a biotic and abiotic surrounding of an organism or population, and consequently includes the factors that have an influence in their survival, development, and evolution. A biophysical environment can vary in scale f ...
Superfund Superfund is a United States federal environmental remediation program established by the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA). The program is administered by the United States Environmental Pro ...
sites, more than any other area in Texas. The list contains numerous companies, streets and waterways that have been considered hazardous to humans in various ways. Houston's environmental problems stem from a long history of pollution. Houston may be considered the air-conditioning capital of the world due to its hot and humid metropolitan. Since the 1930s, air-conditioning was built into all commercial buildings like theaters, malls, and corporations. Even the Astrodome was air-conditioned, making baseball players and fans comfortable for decades. This led to the possibility of an energy crisis, because of the popularity of air-conditioning in Houston, energy costs are generally higher than normal.


Air pollution

Houston is well known for its oil and petrochemical industries, which are leading contributors to the city's economy. The industries located along the ship channel,Summary of the Issues
", ''Citizens League for Environmental Action Now '', 2004-08-01. Retrieved on 2006-02-17.
coupled with a growing population, have caused a considerable increase in air pollution for the city each year. Houston has excessive ozone levels and is ranked among the most ozone-polluted cities in the United States. Ground-level ozone, or
smog Smog, or smoke fog, is a type of intense air pollution. The word "smog" was coined in the early 20th century, and is a portmanteau of the words ''smoke'' and '' fog'' to refer to smoky fog due to its opacity, and odor. The word was then inte ...
, is Houston's predominant air pollution problem. In 2011, Houston was ranked as the 17th most polluted city in the US, according to the American Lung Association. A 2007 assessment found the following twelve air pollutants to be definite risks to health in Houston: *ozone - respiratory and cardiovascular effects * particulates less than 2.5 μm in diameter (PM2.5) - respiratory and cardiopulmonary effects *
diesel particulate matter Diesel exhaust is the gaseous exhaust produced by a diesel type of internal combustion engine, plus any contained particulates. Its composition may vary with the fuel type or rate of consumption, or speed of engine operation (e.g., idling or at ...
(DPM) - cancer *
1,3-butadiene 1,3-Butadiene () is the organic compound with the formula (CH2=CH)2. It is a colorless gas that is easily condensed to a liquid. It is important industrially as a precursor to synthetic rubber. The molecule can be viewed as the union of two viny ...
- cancer and
reproductive The reproductive system of an organism, also known as the genital system, is the biological system made up of all the anatomical organs involved in sexual reproduction. Many non-living substances such as fluids, hormones, and pheromones are als ...
effects * hexavalent chromium - cancer * benzene - cancer * ethylene dibromide - cancer * acrylonitrile - cancer * formaldehyde - cancer and respiratory effects *
acrolein Acrolein (systematic name: propenal) is the simplest unsaturated aldehyde. It is a colorless liquid with a piercing, acrid smell. The smell of burnt fat (as when cooking oil is heated to its smoke point) is caused by glycerol in the burning fa ...
- respiratory effects * chlorine - respiratory effects * hexamethylene diisocyanate - pulmonary and respiratory effects The State of Texas concluded that, since 2000, the Manchester neighborhood in eastern Houston had the highest annual averages of
1,3-butadiene 1,3-Butadiene () is the organic compound with the formula (CH2=CH)2. It is a colorless gas that is easily condensed to a liquid. It is important industrially as a precursor to synthetic rubber. The molecule can be viewed as the union of two viny ...
of any area in Texas. Houston's air quality has often been compared to Los Angeles and Beijing. Houston has introduced many programs since the 2000 federal order to reduce air pollution in the city. The most notable project was the METRORail light rail system constructed in 2004. The light rail system was designed to encourage Houstonians to utilize public transportation instead of their automobiles. Pollution rankings from the EPA and ALA are administered in terms of peak-based standards, focusing strictly on the worst days of the year; on average, ozone levels in Houston are lower than those seen in many other cities of the country, due to dominant winds off the Gulf that ensure clean, marine air.


Water pollution

Houston has also seen recent improvements to the city's waterways. The banks of
Buffalo Bayou Buffalo Bayou is a slow-moving body of water which flows through Houston in Harris County, Texas. Formed 18,000 years ago, it has its source in the prairie surrounding Katy, Fort Bend County, and flows approximately east through the Houston Ship ...
have been cleaned of garbage and have been turned into jogging trails and parks. Since the mid-1990s, Houston has seen a great increase in wildlife along the bayou due to many successful cleaning attempts.''Texas Monthly Guide to Houston Edition 1996'' Pg. 9-10. The Port of Houston has not seen any major cleaning attempts.


Notes


References


External links


Weather Averages for HoustonComparison with month average and actual temps
{{ClimateUS Houston Climate of Texas Houston