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September 2011

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September 2011 saw above-normal temperatures and remarkably dry conditions that were observed throughout the entire month. Easterwood Airport was almost 6˚F above the normal mean maximum temperature for September. In fact, eleven days topped out over 100˚F, and only two days never made it into the 90s for their daily high temperature. Ten new records were set for temperature values, and nine near records were observed. In regards to rainfall, College Station recorded only four days of measureable precipitation, four days below the normal. September 19th saw 1.40 inches of rain, but this barely made a dent in the current drought. After the month only gained 2.25 inches of precipitation, College Station found itself under the yearly total normal by almost sixteen inches! Overall, September experienced a persistently dry month with uncommonly warm temperatures.

  Daily Temperature Daily Precipitation Monthly Temperature Summary
Day Maximum Minimum *Departure Total Mean Value *Departure
1 102°F 74°F +5°F   Maximum 96.7°F +5.8°F
2 104°F 79°F +8°F   Minimum 70.0°F +1.5°F
3 100°F 76°F +5°F   Average 83.4°F +3.7°F
4 100°F 78°F +7°F   Degree Days Total *Departure
5 92°F 69°F ‑2°F   Heating 0 0
6 94°F 62°F ‑4°F   Cooling 558 +118
7 95°F 63°F ‑3°F   Numberof Days: Total *Departure
8 94°F 64°F ‑3°F   Maximum ≥ 90°F 28 +11
9 97°F 58°F ‑4°F   Maximum ≤ 32°F 0 0
10 97°F 60°F ‑2°F   Minimum ≤ 32°F 0 0
11 102°F 68°F +4°F    
12 103°F 70°F +6°F   Monthly Precipitation Summary
13 104°F 74°F +9°F   Precipitation Value *Departure
14 101°F 81°F +11°F   Monthly Total 2.25" ‑1.66"
15 98°F 74°F +6°F 0.27" Year-to-date Total 13.19" ‑15.85"
16 94°F 71°F +2°F   Days ≥ 0.01" 4 ‑4
17 94°F 73°F +4°F 0.01"  
18 95°F 76°F +6°F T Monthly Extremes
19 89°F 66°F ‑2°F 1.40" Extreme Value Date(s)
20 92°F 66°F 0°F   Highest Temperature 104°F 2nd, 13th
21 95°F 72°F +6°F   Lowest Temperature 58°F 9th
22 93°F 72°F +4°F T Max. 24-hour Precip. 1.40" 19th
23 89°F 66°F 0°F   Maximum Wind Gust 46 mph 4th
24 94°F 59°F ‑2°F    
25 101°F 75°F +11°F   Record Book for September
26 100°F 72°F +9°F 0.57" Highest Temperature 112°F 2000
27 94°F 72°F +6°F   Lowest Temperature 42°F 1942
28 97°F 69°F +7°F   Highest Minimum 82°F 1916
29 100°F 73°F +10°F T Lowest Maximum 62°F 1985
30 91°F 69°F +4°F   Wettest Month 12.13" 1958
  Driest Month Trace 2005
  Wettest 24 Hours 6.83" 1896
"T" indicates daily precipitation ≤ 0.005".
BOLDFACE indicates an extreme daily value for the month.
ITALICS indicates a daily record was set or tied.
*Departure from the 1971‑2000 normal.


*New Records Set
Day Parameter Value Old Record Year
2nd Tied highest minimum temperature 79°F 79°F 1961
11th Highest maximum temperature 102°F 101°F 1912
12th Highest maximum temperature 103°F 102°F 1912
13th Highest maximum temperature 104°F 102°F 1912
14th Tied highest minimum temperature 81°F 81°F 1914
14th Tied highest maximum temperature 101°F 101°F 1912
29th Highest maximum temperature 100°F 99°F 1938
*Near Records
Day Parameter Value Record Year
2nd Tied 2nd highest maximum temperature 104°F 107°F 2000
4th 2nd highest minimum temperature 78°F 80°F 1914
4th Tied 4th highest maximum temperature 100°F 112°F 2000
9th 4th lowest minimum temperature 58°F -999°F 1947
10th Tied 2nd lowest minimum temperature 60°F -999°F 1947
25th 2nd highest maximum temperature 101°F 104°F 2005
25th Tied 3rd highest minimum temperature 75°F 77°F 1977
26th 2nd highest maximum temperature 100°F 105°F 2005
*NOTE: Records from 1910 through July 1951 are based on observations taken at the Texas Agricultural
Experiment Station main farm located 7 miles SW of College Station. Records from August 1951 through
the present are based on observations taken at Easterwood Field.


October Normals for College Station
Beginning of the month: 86°F/64°F Monthly precipitation: 4.22"
Middle of the month: 82°F/59°F Precipitation days: 6
End of the month: 76°F/54°F Days ≥ 90°F:  3