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December 2010

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December 2010 continued a trend of drier than normal weather in College Station that persisted through the second half of 2010. The monthly precipitation total was less than an inch, which was about 25% of the December normal precipitation. Additionally, the lack of precipitation over the past three months, which has been less than two inches (only 16% of the normal October through December precipitation), increased the annual precipitation deficit to more than 10". As of the end of December, the United States Drought Monitor had most of the Brazos Valley, including College Station, designated as being in extreme drought conditions. The only substantial precipitation event occurred on Christmas Eve as a cold front brought showers and thunderstorms and deposited 0.66" of the 0.81" of December rainfall. Cold air poured into College Station after the frontal passage and the maximum temperature on Christmas Day only reached 45°F after a high of 70 the day before. This large temperature swing was commonplace in December 2010, with overall mean temperatures about 3°F above normal. Several fronts pushed through the Brazos Valley and brought dramatic temperature changes but little precipitation. Strong southwesterly winds and sunshine on the 21st warmed the maximum temperature to 84°F on the, smashing the previous record (79°F in 1981) and created a day that felt more like the end of September rather than a day to finish last minute Christmas shopping. Only a few days later, temperatures bottomed out in the 20s for lows on the 26th and 27th. However, the roller coaster ride in temperatures brought warmer air into College Station to end 2010 and created a very pleasant day for New Year’s Eve celebrations.

  Daily Temperature Daily Precipitation Monthly Temperature Summary
Day Maximum Minimum *Departure Total Mean Value *Departure
1 67°F 31°F ‑6°F   Maximum 66.6°F +3.8°F
2 73°F 39°F +1°F   Minimum 44.1°F +2.6°F
3 78°F 48°F +8°F   Average 55.3°F +3.1°F
4 81°F 54°F +12°F   Degree Days Total *Departure
5 61°F 41°F ‑3°F   Heating 316 ‑97
6 58°F 35°F ‑8°F   Cooling 23 +9
7 61°F 34°F ‑6°F T Numberof Days: Total *Departure
8 53°F 37°F ‑9°F T Maximum ≥ 90°F 0 0
9 65°F 31°F ‑5°F   Maximum ≤ 32°F 0 0
10 76°F 44°F +7°F   Minimum ≤ 32°F 5 ‑3
11 74°F 53°F +10°F    
12 55°F 34°F ‑8°F   Monthly Precipitation Summary
13 61°F 27°F ‑8°F   Precipitation Value *Departure
14 73°F 40°F +4°F   Monthly Total 3.43" +0.20"
15 79°F 59°F +17°F   Year-to-date Total 29.55" ‑10.12"
16 65°F 47°F +4°F   Days ≥ 0.01" 2 ‑6
17 55°F 46°F ‑2°F    
18 59°F 39°F ‑3°F   Monthly Extremes
19 68°F 40°F +3°F   Extreme Value Date(s)
20 81°F 50°F +14°F   Highest Temperature 84°F 21st
21 84°F 66°F +24°F   Lowest Temperature 27°F 13th
22 69°F 57°F +12°F   Max. 24-hour Precip. 0.66" 24th
23 66°F 55°F +10°F   Maximum Wind Gust 45 mph 15th
24 70°F 44°F +6°F 0.66"  
25 45°F 33°F ‑12°F   Record Book for December
26 49°F 28°F ‑12°F   Highest Temperature 89°F 1922
27 57°F 29°F ‑7°F   Lowest Temperature 2°F 1989
28 67°F 48°F +8°F T Highest Minimum 74°F 1982
29 65°F 60°F +12°F 0.15" Lowest Maximum 23°F 1990
30 77°F 62°F +20°F   Wettest Month 12.66" 1913
31 73°F 55°F +14°F T Driest Month 0.10" 1950
  Wettest 24 Hours 7.54" 1913
"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
20th Highest maximum temperature 81°F 80°F 1921
21st Highest minimum temperature 66°F 58°F 1941
21st Highest maximum temperature 84°F 79°F 1970
*Near Records
Day Parameter Value Record Year
15th Tied 2nd highest maximum temperature 79°F 84°F 1924
30th 4th highest minimum temperature 62°F 68°F 1992
30th Tied 4th highest maximum temperature 77°F 81°F 1951
*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.


January Normals for College Station
Beginning of the month: 62°F/41°F Monthly precipitation: 3.32"
Middle of the month: 61°F/40°F Precipitation days: 9
End of the month: 63°F/42°F Days ≤ 32°F:  11