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Texas Climate Report: September 2011

Texas witnessed a September that continued the trend of above-normal temperatures during 2011. It wasn’t a scorcher like the summer of 2011, but it kept the continuing drought nice and hot. Austin earned the right to call itself the warmest city during the month of September with an average mean temperature of 84.4°F. The daily maximum temperatures were above average across the state by two or more degrees. Every major station but Amarillo, Galveston, and Port Arthur reached 100+ °F at some point during September. However, the nighttime minimum temperatures were generally right at or below normal.

As of the September 27th U.S. Drought Monitor, 100% of Texas was suffering under some form of drought conditions, and over 85% of the state was designated as D4 (Exceptional Drought), the worst possible scenario. Indeed, the big story for September was the continuation of the devastating drought. A majority of the state observed only a fraction of their percent averages for rainfall, with Abilene and Austin below 10%. Waco was the only station to be above normal for its monthly rainfall 2.96 inches. A frontal system rolled through in late September that provided central and southwest Texas with some precipitation. In fact, every region of Texas received rain at some point during the month, but most stations observed five days or less of measureable precipitation.

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 91.5 +4.8 101 63.2 ‑1.2 47 77.3 +1.8 3 0.24 8% 0.15 0 377
Amarillo 84.8 +3.0 97 56.5 +0.2 48 70.7 +1.6 4 0.92 49% 0.78 19 196
Austin 98.7 +8.6 105 70.1 +1.3 59 84.4 +4.9 2 0.18 6% 0.16 0 588
Brownsville 94.9 +5.5 103 73.5 +0.9 63 84.2 +3.2 4 2.14 40% 1.40 0 586
College Station 96.7 +5.8 104 70.0 +1.5 58 83.4 +3.7 1 2.25 58% 1.40 0 558
Corpus Christi 96.1 +6.2 106 71.7 +0.1 64 83.9 +3.1 4 0.79 16% 0.73 0 573
Dallas‑Fort Worth 92.5 +4.8 107 67.5 +0.3 57 80.0 +2.5 2 0.66 27% 0.65 0 457
Del Rio 95.6 +5.0 104 69.5 +0.1 57 82.6 +2.6 3 1.14 55% 0.89 0 535
El Paso 91.1 +4.0 101 67.0 +3.3 61 79.1 +3.7 3 0.43 27% 0.27 0 430
Galveston 88.9 +3.5 95 76.3 +0.9 70 82.6 +2.2 5 1.70 29% 0.79 0 535
Houston 95.5 +6.2 102 70.2 +1.8 59 82.9 +4.0 5 1.28 30% 0.52 0 543
Lubbock 86.2 +2.8 97 57.4 ‑1.0 49 71.8 +0.9 5 1.25 49% 0.65 11 222
Midland 90.9 +4.8 100 62.3 +0.7 50 76.6 +2.7 3 1.59 69% 1.44 3 359
Port Arthur 90.8 +2.8 99 68.5 ‑0.9 57 79.6 +0.9 5 3.62 59% 2.01 0 447
San Angelo 94.9 +8.3 106 63.5 +0.5 48 79.2 +4.4 4 0.43 15% 0.31 0 432
San Antonio 96.2 +6.2 103 69.5 +0.7 59 82.9 +3.5 4 2.93 98% 1.12 0 543
Victoria 97.2 +7.3 104 69.3 ‑1.0 56 83.3 +3.2 4 1.02 20% 0.49 0 557
Waco 96.5 +6.4 107 65.3 ‑1.7 52 80.9 +2.3 4 2.97 103% 2.13 0 483
Wichita Falls 89.8 +2.3 105 61.9 ‑1.8 50 75.8 +0.2 6 1.56 49% 0.58 3 337
Shreveport, LA 92.5 +4.9 107 64.8 ‑1.6 53 78.6 +1.6 5 1.05 33% 0.62 0 418
*Dep.: Departure of the monthly average temperature from the 1971-2000 monthly normal, which is provided by the National Climatic Data Center.
*Perc. Norm.: Monthly precipitation total divided by 1971-2000 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.

sep 2011 average temperatures
sep 2011 average precipitation

Monthly Extremes

Least Precipitation Overall for the Month (inches)
Station County Value
AUSTIN GREAT HILLS TRAVIS 0.00
GORDONVILLE GRAYSON 0.00
HUDSPETH RIVER RANCH VAL VERDE 0.00
LOMA ALTA MCMULLEN 0.00
MCALLEN MILLER INTL AP HIDALGO 0.00
TEAGUE RCH GILLESPIE 0.00
THORNDALE MILAM 0.00
Greatest Precipitation Overall for the Month (inches)
Station County Value
ORANGE ORANGE 5.10
Greatest Precipitation in 24 Hours (inches)
Station County Value
ORANGE ORANGE 3.80
Lowest Average Daily Temperature (°F)
Station County Value
DOG CANYON CULBERSON 66.0
Highest Average Daily Temperature (°F)
Station County Value
MCALLEN MILLER INTL AP HIDALGO 87.7
Lowest Average Daily Maximum Temperature (°F)
Station County Value
DOG CANYON CULBERSON 78.4
Highest Average Daily Maximum Temperature (°F)
Station County Value
POTEET ATASCOSA 101.7
Highest Maximum Temperature  (°F)
Station County Value
PEARSALL FRIO 110
POTEET ATASCOSA 110
Lowest Maximum Temperature  (°F)
Station County Value
GRUVER HANSFORD 52
Lowest Average Daily Minimum Temperature (°F)
Station County Value
DIMMITT 2 N CASTRO 51.7
Highest Average Daily Minimum Temperature (°F)
Station County Value
PORT ARANSAS NUECES 78.0
Highest Minimum Temperature (°F)
Station County Value
GATESVILLE 4 SSE CORYELL 85
Lowest Minimum Temperature (°F)
Station County Value
JUNCTION 4 SSW KIMBLE 37

New Monthly Records

Least Precipitation Overall for the Month (inches)
Station County Value Previous Record Yrs. Data
ARLINGTON MUNI AP TARRANT 1.26 1.34 (2002) 10
AUSTIN BERGSTROM AP TRAVIS 0.01 0.02 (1989) 61
BERTRAM 3 ENE BURNET 0.03 0.08 (1999) 41
CEDAR CREEK 5 S BASTROP 0.26 0.40 (2004) 31
DENTON MUNI AP DENTON 0.93 0.94 (2008) 11
EDNA 7 NW JACKSON 0.46 1.10 (2000) 14
FT HOOD BELL 0.45 1.27 (1963) 13
GEORGETOWN LAKE WILLIAMSON 0.02 0.07 (1999) 32
GORDONVILLE GRAYSON 0.00 0.00 (1948) 13
GRANGER WILLIAMSON 0.01 0.07 (2008) 42
HOUSTON CLOVER FLD BRAZORIA 0.98 1.16 (2004) 10
HOUSTON HOOKS MEM AP HARRIS 1.27 1.30 (2004) 12
HOUSTON NWSO GALVESTON 1.35 1.87 (1907) 22
HUDSPETH RIVER RANCH VAL VERDE 0.00 0.00 (2005) 24
LOMA ALTA MCMULLEN 0.00 0.20 (1951) 11
LUFKIN 11 NW ANGELINA 0.90 1.12 (2002) 28
MCALLEN MILLER INTL AP HIDALGO 0.00 0.33 (1966) 47
PLEASANTON ATASCOSA 0.12 0.35 (1992) 21
ROUND ROCK 3 NE WILLIAMSON 0.11 0.21 (2005) 44
TAYLOR 1 NW WILLIAMSON 0.12 0.20 (2008) 12
TEAGUE RCH GILLESPIE 0.00 0.04 (2005) 64
THORNDALE MILAM 0.00 0.10 (2008) 44
Greatest Precipitation in 24 Hours Ever in the Month (inches)
Station County Value Previous Record Yrs. Data
CHARLIE CLAY 2.87 2.45 (2005) 15
Highest Average Daily Temperature (°F)
Station County Value Previous Record Yrs. Data
ALICE INTL AP JIM WELLS 84.8 83.7 (1950) 15
AUSTIN‑CAMP MABRY TRAVIS 84.4 84.4 (2005) 74
BURNET MUNI AP BURNET 81.8 79.8 (1997) 11
COLUMBUS COLORADO 84.2 82.7 (2005) 50
EL PASO INTL AP EL PASO 79.1 79.1 (1998) 69
FREER DUVAL 85.6 85.2 (2005) 33
GEORGETOWN LAKE WILLIAMSON 82.1 80.7 (1986) 28
HARLINGEN RIO GRANDE AP CAMERON 85.1 84.7 (2005) 23
HUNTSVILLE MUNI AP WALKER 81.8 81.6 (1998) 12
KENT 8 SE JEFF DAVIS 75.1 74.3 (1998) 13
LAREDO INTL AP WEBB 87.5 86.0 (1959) 28
LA JOYA HIDALGO 87.1 86.8 (2005) 15
MCALLEN MILLER INTL AP HIDALGO 87.7 86.7 (2005) 50
REFUGIO 3 SW REFUGIO 83.3 82.9 (2005) 13
SAN ANTONIO STINSON AP BEXAR 84.8 84.4 (2005) 14
Highest Average Daily Maximum Temperature (°F)
Station County Value Previous Record Yrs. Data
ALICE INTL AP JIM WELLS 98.9 96.1 (1950) 15
ARLINGTON MUNI AP TARRANT 93.0 92.6 (1998) 11
AUSTIN‑CAMP MABRY TRAVIS 98.7 95.9 (2005) 74
BENAVIDES 2 DUVAL 99.5 97.9 (2005) 39
BISHOP NUECES 98.1 96.6 (2005) 28
BROWNWOOD 2ENE BROWN 96.7 95.8 (1911) 98
BURNET MUNI AP BURNET 95.9 91.9 (2000) 11
CALLIHAM MCMULLEN 98.2 98.0 (2000) 12
CANYON DAM COMAL 96.4 94.8 (2005) 49
CEDAR CREEK 5 S BASTROP 98.1 95.2 (2005) 11
CLEVELAND LIBERTY 94.3 92.7 (2000) 46
COLLEGE STN BRAZOS 96.7 96.7 (2005) 61
COLUMBUS COLORADO 100.1 98.8 (2005) 50
CONCHO PARK IVIE RSVR CONCHO 95.0 93.4 (2000) 14
CORPUS CHRISTI INTL AP NUECES 96.1 96.0 (1977) 69
DALLAS REDBIRD AP DALLAS 93.3 92.1 (1998) 12
DANEVANG 1 W WHARTON 95.4 95.2 (2005) 108
DRIPPING SPRINGS 6 E HAYS 97.1 94.4 (2000) 27
ELGIN BASTROP 96.4 96.2 (1977) 47
EL CAMPO WHARTON 98.3 98.2 (2005) 30
EMORY RAINS 94.4 92.8 (1963) 43
ENCINAL WEBB 100.8 100.7 (2005) 88
FALCON DAM STARR 100.5 100.2 (2005) 46
FREDERICKSBURG GILLESPIE 95.5 95.1 (2005) 77
FREER DUVAL 100.0 99.3 (2000) 38
FT MCKAVETT MENARD 94.6 91.7 (1997) 17
GEORGETOWN LAKE WILLIAMSON 97.3 94.5 (2000) 30
GONZALES 1N GONZALES 97.5 95.7 (2005) 47
HARLINGEN RIO GRANDE AP CAMERON 98.3 94.6 (2005) 23
HENDERSON RUSK 93.8 93.6 (2005) 69
HONDO MUNI AP MEDINA 98.2 96.0 (1977) 33
HOUSTON‑PORT HARRIS 95.0 94.3 (2005) 18
HOUSTON CLOVER FLD BRAZORIA 92.4 90.2 (2004) 10
HOUSTON HOBBY AP HARRIS 93.9 93.2 (2005) 65
HOUSTON INTERCONT AP HARRIS 95.5 93.2 (2005) 43
HOUSTON NWSO GALVESTON 92.7 91.5 (1907) 22
HUDSPETH RIVER RANCH VAL VERDE 96.5 96.2 (2005) 22
HUNTSVILLE MUNI AP WALKER 95.4 90.7 (2004) 13
JOHNSON CITY BLANCO 95.8 94.8 (2005) 42
KENT 8 SE JEFF DAVIS 88.0 87.0 (1998) 15
KERRVILLE 3 NNE KERR 95.6 93.8 (2005) 37
KINGSVILLE KLEBERG 96.8 94.9 (1950) 61
LAREDO 2 WEBB 100.4 100.3 (2005) 46
LAREDO INTL AP WEBB 100.7 98.0 (1959) 28
LA JOYA HIDALGO 100.8 98.3 (1997) 16
LEXINGTON LEE 97.5 95.8 (2005) 49
LONGVIEW E TX RGNL AP GREGG 93.4 92.6 (2010) 11
MCALLEN MILLER INTL AP HIDALGO 100.0 97.5 (2005) 50
MC GREGOR MCLENNAN 95.0 94.4 (1977) 49
MEDINA 1NE BANDERA 95.8 95.4 (1977) 33
NEW BRAUNFELS MUNI AP GUADALUPE 97.0 96.7 (2005) 14
PEARSALL FRIO 101.0 99.0 (2005) 52
POTEET ATASCOSA 101.7 97.9 (1977) 65
REFUGIO 3 SW REFUGIO 96.6 94.6 (2000) 14
ROCKPORT ARANSAS 93.8 92.7 (2005) 52
SAN ANTONIO 8 NNE BEXAR 96.4 95.3 (2005) 15
SAN ANTONIO INTL AP BEXAR 96.2 95.4 (2005) 70
SAN ANTONIO STINSON AP BEXAR 98.7 95.8 (2005) 14
SAN MARCOS HAYS 96.6 96.5 (1926) 98
SAN SABA 7 NW SAN SABA 95.3 94.2 (2005) 12
SINTON 3 NW SAN PATRICIO 96.2 94.7 (1965) 44
STILLHOUSE HOLLOW DAM BELL 95.8 94.5 (1977) 39
TAYLOR 1 NW WILLIAMSON 96.4 95.7 (2005) 12
TERRELL MUNI AP KAUFMAN 93.4 92.1 (1998) 12
VICTORIA FIRE DEPT #5 VICTORIA 96.3 95.4 (2000) 11
VICTORIA RGNL AP VICTORIA 97.2 95.5 (2005) 56
VICTORIA RGNL AP VICTORIA 96.2 95.4 (2000) 12
WELDER W'LIFE FOUND SAN PATRICIO 96.6 95.2 (2000) 19
YOAKUM LAVACA 97.7 97.3 (1954) 63
Highest Maximum Temperature Ever in the Month (°F)
Station County Value Previous Record Yrs. Data
ALICE INTL AP JIM WELLS 106 105 (1952) 15
ATLANTA CASS 108 105 (1998) 12
BUSHLAND 1 WSW POTTER 102 102 (2000) 11
DELL CITY 5 SSW HUDSPETH 105 105 (2000) 32
DIMMITT 2 N CASTRO 102 102 (1983) 50
FRIONA PARMER 102 99 (2010) 50
FT MCKAVETT MENARD 104 103 (2005) 17
FT STOCKTON PECOS AP PECOS 101 100 (2001) 12
FT WORTH NAS TARRANT 108 107 (1951) 32
GRUVER HANSFORD 104 104 (1995) 49
HARLINGEN RIO GRANDE AP CAMERON 107 103 (2005) 23
HOUSTON CLOVER FLD BRAZORIA 98 97 (2004) 10
HUNTSVILLE MUNI AP WALKER 104 99 (2004) 13
KENT 8 SE JEFF DAVIS 98 96 (1998) 15
KINGSVILLE KLEBERG 104 102 (1989) 61
LAREDO INTL AP WEBB 106 106 (1959) 28
LITTLEFIELD LAMB 102 102 (2010) 42
MCALLEN MILLER INTL AP HIDALGO 108 107 (2000) 50
MT VERNON FRANKLIN 108 108 (2000) 45
PADUCAH COTTLE 108 108 (2000) 52
PLAINS YOAKUM 102 102 (2000) 48
POTEET ATASCOSA 110 110 (2000) 65
SANFORD DAM HUTCHINSON 106 103 (2010) 17
SAN ANTONIO STINSON AP BEXAR 106 104 (2005) 14
SAN AUGUSTINE SAN AUGUSTINE 102 102 (1909) 10
SEMINOLE GAINES 106 106 (1948) 81
WARREN 2 S TYLER 103 102 (1956) 36
Lowest Maximum Temperature Ever in the Month (°F)
Station County Value Previous Record Yrs. Data
ABERNATHY HALE 55 55 (1980) 13
BUSHLAND 1 WSW POTTER 54 55 (2006) 11
PLAINVIEW WATER PRODUCTION HALE 55 58 (2000) 12
Lowest Average Daily Minimum Temperature (°F)
Station County Value Previous Record Yrs. Data
AUSTIN BERGSTROM AP TRAVIS 63.3 63.4 (2008) 62
CONCHO PARK IVIE RSVR CONCHO 62.5 62.5 (2008) 13
DENTON MUNI AP DENTON 61.5 62.0 (2001) 12
PORT ISABEL CAMERON 72.0 72.0 (1960) 68
RAINBOW SOMERVELL 60.0 60.0 (2008) 11
THROCKMORTON 7 NE THROCKMORTON 58.5 59.1 (2006) 11
TORNILLO 2 SSE EL PASO 54.7 55.0 (1984) 31
Highest Average Daily Minimum Temperature (°F)
Station County Value Previous Record Yrs. Data
EL PASO INTL AP EL PASO 67.0 66.9 (2010) 69
KENT 8 SE JEFF DAVIS 62.1 61.5 (1998) 15
Highest Minimum Temperature Ever in the Month (°F)
Station County Value Previous Record Yrs. Data
AMARILLO INTL AP POTTER 71 71 (1985) 71
ARLINGTON MUNI AP TARRANT 81 81 (1998) 11
AUSTIN‑CAMP MABRY TRAVIS 80 80 (2000) 74
BIG SPRING HOWARD 78 77 (1948) 41
BORGER HUTCHINSON 75 74 (2005) 63
BORGER HUTCHINSON CO AP HUTCHINSON 80 73 (2010) 10
BRIDGEPORT WISE 81 79 (2000) 70
CHILDRESS 2 CHILDRESS 76 76 (1998) 13
COLLEGE STN BRAZOS 81 81 (2006) 61
DECATUR WISE 79 77 (2010) 11
DEKALB BOWIE 80 77 (1993) 23
DEL RIO INTL AP VAL VERDE 84 82 (2000) 49
DENISON DAM GRAYSON 80 80 (2006) 61
DENVER CITY YOAKUM 69 69 (2007) 21
FALCON DAM STARR 80 80 (2000) 47
FT STOCKTON PECOS 73 73 (1984) 56
FT WORTH ALLIANCE AP TARRANT 81 81 (1998) 13
GALVESTON SCHOLES FLD GALVESTON 84 84 (2010) 30
GEORGETOWN LAKE WILLIAMSON 78 78 (2000) 28
GRAPEVINE DAM TARRANT 82 79 (2010) 54
HAMILTON 2E HAMILTON 78 77 (1985) 32
HILLSBORO HILL 81 80 (2000) 101
LANGTRY VAL VERDE 82 81 (2000) 42
MATADOR MOTLEY 78 77 (1995) 54
PANTHER JUNCTION BREWSTER 75 74 (2006) 51
PLAINVIEW WATER PRODUCTION HALE 68 68 (2003) 11
POST GARZA 76 76 (1997) 44
REFUGIO 3 SW REFUGIO 82 81 (2006) 13
RUSK CHEROKEE 78 77 (2006) 62
SANFORD DAM HUTCHINSON 74 74 (1995) 17
SAN ANTONIO 8 NNE BEXAR 79 79 (2005) 15
SAN ANTONIO STINSON AP BEXAR 80 80 (2010) 14
SULPHUR SPRINGS HOPKINS 78 78 (1998) 76
TERLINGUA RCH BREWSTER 75 72 (2001) 13
TERRELL MUNI AP KAUFMAN 80 80 (1998) 12
THROCKMORTON 7 NE THROCKMORTON 79 76 (2006) 11
WEATHERFORD PARKER 80 79 (1939) 107
WELLINGTON COLLINGSWORTH 78 76 (1980) 46

Climatic Averages for October

  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 77.6 103 (1979) 54.4 23 (1993) 2.90 10.88 (1941) 6.08 (1981) 2.2 0.3 6.2 93 118
Amarillo 71.8 99 (2000) 44.6 12 (1993) 1.50 7.64 (1941) 3.03 (1998) 0.8 2.3 5.0 239 26
Austin 81.4 100 (1938) 59.8 30 (1993) 3.97 12.63 (1925) 7.51 (1998) 4.4 0.0 7.4 32 207
Brownsville 84.0 99 (1900) 65.9 35 (1993) 3.78 17.12 (1958) 9.09 (1996) 6.2 0.0 7.3 6 332
College Station 82.0 102 (1938) 59.0 29 (1993) 4.22 18.77 (1994) 13.39 (1994) 3.2 0.1 7.6 25 196
Corpus Christi 83.6 98 (1950) 64.0 28 (1993) 3.94 12.03 (1997) 7.96 (1995) 5.5 0.0 6.7 12 300
Dallas‑Fort Worth 77.9 106 (1951) 56.4 24 (1917) 4.11 14.18 (1981) 4.85 (1959) 3.0 0.1 6.9 52 118
Del Rio 81.7 106 (1979) 60.5 28 (1993) 2.00 11.69 (1930) 7.60 (1969) 5.1 0.1 5.7 24 217
El Paso 77.9 96 (1994) 51.8 25 (1970) 0.81 5.15 (1884) 1.84 (1883) 2.4 0.5 4.9 89 71
Galveston 78.1 94 (1952) 68.1 39 (1993) 3.47 17.78 (1871) 14.01 (1901) 0.0 0.0 6.8 15 274
Houston 82.0 99 (1900) 58.8 29 (1993) 4.50 17.64 (1949) 9.31 (1984) 3.1 0.1 7.5 37 196
Lubbock 74.4 100 (2000) 47.0 18 (1993) 1.70 10.80 (1983) 5.82 (1983) 1.2 1.0 5.1 163 46
Midland 77.4 101 (2000) 51.3 24 (1993) 1.77 7.45 (1986) 3.59 (1985) 2.4 0.3 4.7 103 83
Port Arthur 80.5 99 (1905) 59.6 30 (1993) 4.67 15.09 (1970) 9.26 (1902) 1.5 0.1 6.5 34 195
San Angelo 77.8 100 (1951) 53.0 26 (1997) 2.57 8.68 (1981) 5.11 (1959) 2.7 0.3 5.6 84 112
San Antonio 82.0 99 (1991) 59.4 27 (1993) 3.86 18.07 (1998) 13.35 (1998) 4.9 0.0 6.9 33 215
Victoria 83.0 109 (1926) 61.6 31 (1993) 4.26 17.25 (1960) 8.15 (1994) 4.9 0.0 7.3 22 248
Waco 80.4 101 (1989) 56.7 25 (1993) 3.67 10.51 (1984) 5.72 (1974) 4.5 0.1 6.9 58 170
Wichita Falls 77.1 102 (2000) 52.4 21 (1993) 3.11 11.77 (1941) 5.61 (1959) 3.3 0.4 7.0 106 99
Shreveport, LA 78.3 99 (1938) 55.0 28 (1993) 4.45 20.35 (2009) 6.83 (1949) 1.8 0.2 7.4 78 119
Climatic averages are based on 1971-2000 monthly normals, which are provided by the National Climatic Data Center.
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