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Texas Climate Report: August 2013

The adjectives to describe the month of August 2013 were hot and dry. Temperatures throughout the state were allowed to push into the upper 90s and low 100s for much of the month as a stable ridge of high pressure dominated the weather patterns across the state. This ridge developed in late July and did not deteriorate in strength until mid month when a weak front sparked showers and thunderstorms, some of which were severe, across the eastern half of the state. The ridge then redeveloped back over the state for the latter part of the month ending it as it began, with heat advisories and record temperatures.

As is typical with high pressure systems, rainfall was at a minimum for much of the state, yet the areas that needed the most rain did receive it throughout the month. The Panhandle, Big Country, and Coastal Bend, areas under the most devastating of the state's drought for the longest time, received higher than normal precipitation improving drought conditions dramatically. Extreme drought was removed from much of rural Texas in the Panhandle and the into the Permian Basin, while the region between Corpus Christi and Galveston received enough rain to downgrade much of the area from extreme to moderate drought. The rest of the state either remained steady, or deteriorated in drought severity. The Brazos Valley moved back into extreme drought conditions and the Piney Woods were added to severe drought status as rainfall came in at less than half of the normal amount.

Monthly Summary for Selected Cities

  TMAX (°F) TMIN (°F) TAVG (°F) PRCP *Deg. Days
Station Mean *Dep. Max. Mean *Dep. Min. Mean *Dep. Days ≥ 0.01" Mo. Total *Perc. Norm. Gr'st 24 hr. *HDD *CDD
Abilene 96.2 +2.2 104 72.5 +0.9 64 84.3 +1.5 4 0.54 21% 0.23 0 608
Amarillo 92.4 +3.0 104 66.0 +1.8 57 79.2 +2.4 4 1.42 49% 1.16 0 449
Austin 100.7 +3.7 107 75.5 +0.9 69 88.1 +2.3 2 0.27 11% 0.18 0 725
Brownsville 95.3 +0.9 100 76.6 +0.4 73 85.9 +0.6 8 1.47 60% 0.64 0 656
College Station 99.4 +3.2 104 75.2 +0.7 69 87.3 +2.0 4 0.78 29% 0.66 0 698
Corpus Christi 96.7 +2.3 102 76.6 +1.6 72 86.7 +2.0 6 1.21 41% 0.60 0 680
Dallas‑Fort Worth 98.3 +2.2 105 75.9 +0.8 64 87.1 +1.5 5 1.32 69% 0.92 0 692
Del Rio 99.8 +2.7 105 78.0 +2.7 75 88.9 +2.7 2 0.74 34% 0.51 0 748
El Paso 93.7 +1.3 100 72.2 +2.5 66 82.9 +1.8 7 1.12 56% 0.65 0 562
Galveston 89.7 ‑0.6 93 79.7 0.0 73 84.7 ‑0.3 7 3.85 88% 1.91 0 620
Houston 95.2 +0.7 101 75.4 +0.6 69 85.3 +0.7 5 3.33 89% 1.80 0 636
Lubbock 93.2 +1.9 105 67.9 +1.3 63 80.5 +1.5 7 1.32 69% 0.83 0 489
Midland 96.4 +2.8 106 72.1 +3.3 67 84.2 +3.0 3 1.18 64% 1.15 0 605
Port Arthur 93.8 +1.6 98 74.3 +0.3 70 84.1 +1.0 6 0.96 18% 0.60 0 598
San Angelo 98.1 +3.4 108 71.1 +0.4 64 84.6 +1.9 4 0.81 36% 0.58 0 615
San Antonio 100.7 +4.7 105 76.5 +1.8 71 88.6 +3.3 5 0.85 41% 0.39 0 739
Victoria 97.0 +2.0 102 74.9 +1.2 70 85.9 +1.6 6 1.83 64% 0.78 0 657
Waco 97.4 +0.6 104 73.6 ‑0.2 62 85.5 +0.2 3 0.22 11% 0.14 0 644
Wichita Falls 97.3 +0.7 108 71.7 +0.3 65 84.5 +0.5 4 1.49 60% 1.01 0 613
Shreveport, LA 97.0 +2.9 102 73.0 +0.9 64 85.0 +1.9 2 0.18 7% 0.18 0 629
*Dep.: Departure of the monthly average temperature from the 1981-2010 monthly normal, which is provided by the National Climatic Data Center.
*Perc. Norm.: Monthly precipitation total divided by 1981-2010 monthly normal, which is provided by the National Climatic Data Center.
*Deg. Days: Computed daily as the departure of the daily average temperature from 65°F and aggregated over the entire month.
*Heating degree day (HDD): Each unit corresponds to a -1°F departure of a daily average temperature from 65°F.
*Cooling degree day (HDD): Each unit corresponds to a +1°F departure of a daily average temperature from 65°F.
aug 2013 average temperatures
aug 2013 average precipitation

Monthly Extremes

Least Precipitation Overall for the Month (inches)
Station County Value
CASTOLON BREWSTER 0.00
KILLEEN BELL 0.00
LANGTRY VAL VERDE 0.00
LOS ANGELES 4 WSW LA SALLE 0.00
MIDLAND 4 ENE MIDLAND 0.00
PAINT ROCK CONCHO 0.00
PARIS LAMAR 0.00
Greatest Precipitation Overall for the Month (inches)
Station County Value
PORT LAVACA CALHOUN 9.53
Greatest Precipitation in 24 Hours (inches)
Station County Value
PORT ARANSAS 32 NNE ARANSAS 4.27
Lowest Average Daily Temperature (°F)
Station County Value
MT LOCKE JEFF DAVIS 72.6
Highest Average Daily Temperature (°F)
Station County Value
FT WORTH NAS TARRANT 89.9
Lowest Average Daily Maximum Temperature (°F)
Station County Value
MT LOCKE JEFF DAVIS 85.3
Highest Average Daily Maximum Temperature (°F)
Station County Value
TERLINGUA BREWSTER 103.7
Highest Maximum Temperature  (°F)
Station County Value
RIO GRANDE VILLAGE BREWSTER 111
TERLINGUA BREWSTER 111
WELLINGTON COLLINGSWORTH 111
Lowest Maximum Temperature  (°F)
Station County Value
FOLLETT LIPSCOMB 69
PERRYTON OCHILTREE 69
Lowest Average Daily Minimum Temperature (°F)
Station County Value
MT LOCKE JEFF DAVIS 60.0
Highest Average Daily Minimum Temperature (°F)
Station County Value
GALVESTON SCHOLES FLD GALVESTON 79.7
Highest Minimum Temperature (°F)
Station County Value
DALLAS LOVE FLD DALLAS 84
FT WORTH NAS TARRANT 84
GALVESTON SCHOLES FLD GALVESTON 84
Lowest Minimum Temperature (°F)
Station County Value
MULESHOE 19 S BAILEY 52

New Monthly Records

Least Precipitation Overall for the Month (inches)
Station County Value Previous Record Yrs. Data
AVERY 5 NNW RED RIVER 0.30 0.43 (2011) 12
BIG BEND RCH SP PRESIDIO 0.51 0.60 (2011) 16
CASTOLON BREWSTER 0.00 0.14 (1997) 33
FT STOCKTON PECOS AP PECOS 0.02 0.20 (2002) 11
JUSTIN DENTON 0.17 0.50 (2011) 11
KENT 8 SE JEFF DAVIS 0.11 0.20 (1998) 23
LANGTRY VAL VERDE 0.00 0.00 (2007) 61
LONGVIEW GREGG 0.12 0.13 (2011) 11
LOS ANGELES 4 WSW LA SALLE 0.00 0.00 (2010) 14
MIDLAND 4 ENE MIDLAND 0.00 0.00 (1945) 96
MONAHANS 6 ENE WARD 0.18 0.68 (2012) 11
PAINT ROCK CONCHO 0.00 0.00 (2002) 89
PARIS LAMAR 0.00 0.00 (2000) 105
PINE SPRINGS NP CULBERSON 0.38 0.38 (2011) 12
SAN ANGELO WFO TOM GREEN 0.38 0.71 (2012) 11
SAN ANTONIO STINSON AP BEXAR 0.14 0.17 (2010) 15
WACO DAM MCLENNAN 0.04 0.05 (1980) 41
WASHINGTON SP WASHINGTON 0.13 0.23 (1990) 61
WILDWOOD TYLER 1.14 1.31 (1999) 21
Greatest Precipitation Overall for the Month (inches)
Station County Value Previous Record Yrs. Data
ROCKPORT ARANSAS CO AP ARANSAS 3.86 3.75 (1998) 11
Greatest Precipitation in 24 Hours Ever in the Month (inches)
Station County Value Previous Record Yrs. Data
DALLAS REDBIRD AP DALLAS 1.97 1.79 (2004) 11
LOMA ALTA MCMULLEN 1.97 1.74 (1949) 13
PLAINVIEW WATER PRODUCTION HALE 1.73 1.69 (2004) 14
POINT COMFORT CALHOUN 4.25 4.03 (1984) 52
ROCKPORT ARANSAS CO AP ARANSAS 2.80 2.32 (1999) 11
SCOTLAND ARCHER 2.88 2.40 (2012) 17
SOUTHLAND GARZA 3.10 2.55 (1925) 14
VIGO PARK SWISHER 1.89 1.70 (2005) 11
WELLINGTON COLLINGSWORTH 3.90 3.16 (1991) 71
Lowest Average Daily Maximum Temperature (°F)
Station County Value Previous Record Yrs. Data
MATAGORDA 2 MATAGORDA 87.1 87.5 (2008) 70
Highest Maximum Temperature Ever in the Month (°F)
Station County Value Previous Record Yrs. Data
EDINBURG 17 NNE HIDALGO 105 105 (2012) 10
Lowest Maximum Temperature Ever in the Month (°F)
Station County Value Previous Record Yrs. Data
ANGLETON BRAZORIA AP BRAZORIA 80 80 (2008) 11
COLETO CREEK RSVR GOLIAD 77 79 (2008) 11
GALVESTON SCHOLES FLD GALVESTON 78 79 (1960) 30
MATAGORDA 2 MATAGORDA 76 77 (1967) 70
Highest Minimum Temperature Ever in the Month (°F)
Station County Value Previous Record Yrs. Data
CEDAR CREEK 5 S BASTROP 78 78 (2011) 11
HARLINGEN CAMERON 81 81 (2011) 92
PROCTOR RSVR COMANCHE 79 79 (2010) 46
Lowest Minimum Temperature Ever in the Month (°F)
Station County Value Previous Record Yrs. Data
THOMPSONS 3 WSW FORT BEND 60 60 (1992) 57

Climatic Averages for September

  TMAX (°F) TMIN (°F) PRCP (inches) No. Days in Month Deg. Days
Station Avg. Record Avg. Record Avg. Gr'st Mo. Gr'st 24 hr. ≥ 90°F ≤ 32°F PRCP ≥ 0.01" HDD CDD
Abilene 86.8 107 (2000) 64.2 38 (1989) 2.24 11.03 (1974) 6.70 (1961) 10.7 0.0 5.8 11 326
Amarillo 82.6 103 (1995) 56.4 30 (1984) 1.92 6.42 (1923) 3.49 (1900) 6.5 0.1 6.3 43 178
Austin 90.5 112 (2000) 69.4 41 (1942) 2.99 20.78 (1921) 19.03 (1921) 18.1 0.0 6.7 2 450
Brownsville 90.5 105 (2000) 73.1 51 (1909) 5.92 30.57 (1886) 12.09 (1967) 19.3 0.0 10.0 0 504
College Station 90.5 112 (2000) 69.4 41 (1901) 3.18 12.13 (1958) 6.83 (1896) 18.2 0.0 6.7 2 450
Corpus Christi 90.1 109 (2000) 72.0 52 (2000) 4.98 20.33 (1967) 8.76 (1967) 17.1 0.0 8.8 0 482
Dallas‑Fort Worth 88.4 111 (2000) 67.5 40 (1942) 2.55 10.80 (1932) 9.57 (1932) 13.8 0.0 5.5 6 395
Del Rio 90.8 110 (2000) 69.8 43 (1908) 2.20 17.15 (1964) 5.52 (1970) 18.6 0.0 5.3 1 460
El Paso 87.6 104 (1982) 63.3 41 (1945) 1.51 6.68 (1974) 2.52 (1958) 11.7 0.0 6.3 4 317
Galveston 87.4 104 (2000) 75.9 52 (1942) 6.03 26.01 (1885) 11.65 (1961) 7.7 0.0 9.1 0 499
Houston 89.7 109 (2000) 69.8 45 (1942) 4.12 13.37 (1913) 7.98 (1976) 17.0 0.0 8.0 1 443
Lubbock 84.5 105 (1930) 58.8 33 (1983) 2.51 13.93 (1936) 7.80 (2008) 8.0 0.0 5.8 23 223
Midland 86.9 107 (1953) 62.0 36 (1989) 1.86 9.70 (1980) 4.92 (2012) 11.1 0.0 5.4 11 295
Port Arthur 88.2 105 (2000) 69.7 45 (1967) 5.97 21.96 (1980) 15.01 (1980) 12.1 0.0 8.9 1 419
San Angelo 87.8 107 (2005) 63.5 35 (1913) 2.46 11.00 (1980) 6.25 (1980) 12.2 0.0 4.8 9 329
San Antonio 90.3 111 (2000) 69.1 41 (1942) 3.03 15.78 (1946) 7.28 (1973) 17.8 0.0 6.6 2 443
Victoria 90.4 111 (2000) 69.2 45 (1942) 4.16 19.05 (1978) 7.83 (1978) 18.0 0.0 9.5 1 445
Waco 89.8 111 (2000) 66.4 39 (1942) 3.06 11.17 (1913) 6.03 (1936) 16.1 0.0 5.8 6 399
Wichita Falls 88.1 111 (2000) 63.3 38 (1989) 2.81 10.23 (1980) 6.22 (1980) 13.6 0.0 6.0 13 334
Shreveport, LA 88.2 109 (2000) 65.6 42 (1984) 3.16 16.46 (1913) 7.04 (1913) 13.7 0.0 6.9 6 363
Climatic averages are based on 1981-2010 monthly normals, which are provided by the National Climatic Data Center.
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