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Clima y riesgo de inundación

Normales, el historial de tormentas tropicales y los mapas de inundación de FEMA por código postal — de NOAA, el Servicio Meteorológico y FEMA.

Climate normals

Subject

Baytown, Texas 1991-2020 monthly climate normals

Station

BAYTOWN, TX US (GHCN/COOP USC00410586)

Station location

Latitude: 29.9142 N
Longitude: 94.9908 W
Elevation ft: 26

Period

1991-2020

Units

Temperature: degrees Fahrenheit
Rainfall: inches

Monthly

Month: January
Average high f: 62.9
Average low f: 41.4
Rainfall in: 4.85

Month: February
Average high f: 66.4
Average low f: 45.3
Rainfall in: 3.78

Month: March
Average high f: 72.1
Average low f: 52
Rainfall in: 3.94

Month: April
Average high f: 77.5
Average low f: 58.5
Rainfall in: 4.51

Month: May
Average high f: 84.2
Average low f: 66.7
Rainfall in: 6.01

Month: June
Average high f: 89.2
Average low f: 72.7
Rainfall in: 7.08

Month: July
Average high f: 91.5
Average low f: 74.6
Rainfall in: 5.49

Month: August
Average high f: 92.3
Average low f: 74.3
Rainfall in: 6.82

Month: September
Average high f: 88.5
Average low f: 69
Rainfall in: 6.41

Month: October
Average high f: 81.6
Average low f: 59.6
Rainfall in: 6.13

Month: November
Average high f: 71.4
Average low f: 50.1
Rainfall in: 4.94

Month: December
Average high f: 64.5
Average low f: 43.6
Rainfall in: 4.77

Annual rainfall in computed from monthly values

64.73

fuente: ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-202

Tropical history

Storm: Hurricane Alicia
Dates: August 15-21, 1983; Baytown impacts documented August 17-18
Baytown impacts: NWS reports a 71 mph sustained wind and 100 mph gust at Baytown (Exxon) at 4:00 a.m. CDT on August 18. NWS high-water-mark data lists 10.6 ft MSL at Baytown; the associated engineering report says Highway 146 high-water marks indicated about +10 ft NGVD and water rose 3-4 ft above normal by the morning of August 17 and remained several feet elevated for at least three days.

Storm: Hurricane Ike
Dates: September 13, 2008 landfall and primary Baytown-area impacts
Baytown impacts: NWS Houston/Galveston reports landfall near Galveston at 2:10 a.m. CDT as a Category 2 hurricane with 110 mph maximum sustained winds and a destructive upper-Texas-coast storm surge. The NWS regional storm summary lists 4.0 inches of rain at Baytown, and reports widespread fresh-water flooding and major storm-surge damage across the area.

Storm: Hurricane Harvey
Dates: August 25-30, 2017; Baytown flooding documented during the event
Baytown impacts: NWS reports Harvey made Texas landfall near Port Aransas around 10:00 p.m. August 25, then produced repeated heavy rain bands and catastrophic drainage and river flooding through August 30. The NWS August 2017 storm-data summary specifically reports extensive flooding in the Milam Bend subdivision in Baytown along Cedar Bayou, with roads and homes inundated in the wider region.

Storm: Hurricane Beryl
Dates: July 8, 2024
Baytown impacts: NWS Houston/Galveston reports Beryl made landfall near Matagorda at 4:00 a.m. July 8 as a Category 1 hurricane with 80 mph peak over-water sustained winds and crossed Southeast Texas that day. Baytown-area observations include 6.40 inches at 2.4 miles northwest of Baytown and 6.80 inches at 3.5 miles east of Baytown; a Cedar Bayou-at-SH 99 station in Chambers County reported a 63 mph gust.

Fema flood map links by zip

Zip: 77520
Map link: msc.fema.gov/portal/search?AddressQuery=77520
Note: FEMA Map Service Center search link; enter a complete address or place name to obtain the effective FIRM/FIRMette. A ZIP alone does not assign a property flood zone.

Zip: 77521
Map link: msc.fema.gov/portal/search?AddressQuery=77521
Note: FEMA Map Service Center search link; enter a complete address or place name to obtain the effective FIRM/FIRMette. A ZIP alone does not assign a property flood zone.

Zip: 77523
Map link: msc.fema.gov/portal/search?AddressQuery=77523
Note: FEMA Map Service Center search link; enter a complete address or place name to obtain the effective FIRM/FIRMette. A ZIP alone does not assign a property flood zone.

Zip: 77530
Map link: msc.fema.gov/portal/search?AddressQuery=77530
Note: FEMA Map Service Center search link; enter a complete address or place name to obtain the effective FIRM/FIRMette. A ZIP alone does not assign a property flood zone.

Zip: 77532
Map link: msc.fema.gov/portal/search?AddressQuery=77532
Note: FEMA Map Service Center search link; enter a complete address or place name to obtain the effective FIRM/FIRMette. A ZIP alone does not assign a property flood zone.

Zip: 77535
Map link: msc.fema.gov/portal/search?AddressQuery=77535
Note: FEMA Map Service Center search link; enter a complete address or place name to obtain the effective FIRM/FIRMette. A ZIP alone does not assign a property flood zone.

One percent annual chance floodplain

Definition: The 100-year floodplain is the 1 percent annual-chance floodplain, also called the Special Flood Hazard Area on a FEMA Flood Insurance Rate Map (FIRM). It is not a guarantee that flooding occurs only once per 100 years.
Official map links: https://msc.fema.gov/portal/search
https://hazards.fema.gov/femaportal/wps/portal/NFHLWMS
https://www.harriscountyfws.org/glossary
Use: Use FEMA's address search/NFHL for the regulatory effective flood zone and FIRM panel. Harris County Flood Control District's glossary defines the 1 percent floodplain and directs users to FEMA FIRMs; its real-time gage map is not a substitute for a FEMA regulatory map.

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