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May 2005

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The month of May was warm and dry for the Brazos Valley, with both record highs and lows recorded. A record low was tied on the first of the month with a temperature of 47°F. A frontal passage on the 8th dumped 1.47" of rain on the area, 59 percent of the months total rainfall. After this front, the area began to warm up, with the highs at or above 85°F all but three days from the 9th through the 31st. Between the 10th and the 25th, only a trace of rain was recorded and three near record highs were observed. The highest maximum temperature was tied on the 21st with 96°F. Seven days of precipitation were observed with only three over a tenth of an inch and with 87.5 percent of the rain coming on two days, the 8th (1.47") and the 29th (0.70"). The monthly rainfall total of 2.48" was 2.57" below normal and brings the total yearly rainfall total to 16.53", which is a quarter of an inch below normal. This lack of rainfall in April and May has offset the surplus of over 4" during the first three months of the year. Even with the three days of record highs, the average temperature was 0.4°F below normal at 74.9°F.

  Daily Temperature Daily Precipitation Monthly Temperature Summary
Day Maximum Minimum *Departure Total Mean Value *Departure
1 75°F 47°F ‑10°F   Maximum 85.0°F ‑0.3°F
2 78°F 53°F ‑6°F   Minimum 64.7°F ‑0.6°F
3 75°F 57°F ‑6°F T Average 74.9°F ‑0.4°F
4 75°F 57°F ‑6°F 0.02" Degree Days Total *Departure
5 81°F 53°F ‑6°F   Heating 4 ‑1
6 84°F 60°F ‑1°F   Cooling 316 ‑8
7 83°F 60°F ‑2°F   Numberof Days: Total *Departure
8 71°F 60°F ‑8°F 1.47" Maximum ≥ 90°F 6 0
9 83°F 57°F ‑4°F 0.02" Maximum ≤ 32°F 0 0
10 87°F 69°F +4°F T Minimum ≤ 32°F 0 0
11 87°F 69°F +4°F    
12 85°F 69°F +3°F   Monthly Precipitation Summary
13 85°F 67°F +1°F   Precipitation Value *Departure
14 85°F 67°F +1°F   Monthly Total 1.82" ‑3.23"
15 85°F 66°F +0°F   Year-to-date Total 16.55" ‑0.24"
16 76°F 64°F ‑5°F T Days ≥ 0.01" 7 ‑1
17 86°F 60°F ‑3°F    
18 88°F 67°F +2°F   Monthly Extremes
19 87°F 68°F +2°F   Extreme Value Date(s)
20 90°F 72°F +5°F   Highest Temperature 96°F 21st, 22nd
21 96°F 70°F +6°F   Lowest Temperature 47°F 1st
22 96°F 71°F +6°F   Max. 24-hour Precip. 1.48" 8th-9th
23 92°F 71°F +4°F   Maximum Wind Gust 41 mph 8th
24 91°F 70°F +4°F    
25 94°F 69°F +4°F   Record Book for May
26 82°F 69°F ‑2°F 0.08" Highest Temperature 100°F 1998
27 89°F 66°F 0°F   Lowest Temperature 42°F 1954
28 89°F 72°F +2°F 0.18" Highest Minimum 82°F 1988
29 86°F 68°F ‑1°F 0.70" Lowest Maximum 62°F 1979
30 85°F 69°F ‑2°F 0.01" Wettest Month 14.70" 1929
31 88°F 70°F 0°F   Driest Month 0.11" 1998
  Wettest 24 Hours 6.23" 1983
"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
1st Tied lowest minimum temperature 47°F 47°F 1917
21st Tied highest maximum temperature 96°F 96°F 1996
*Near Records
Day Parameter Value Record Year
8th Tied 3rd lowest maximum temperature 71°F 65°F 1919
22nd 2nd highest maximum temperature 96°F 97°F 1996
25th Tied 2nd highest maximum temperature 94°F 96°F 1996
*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.


June Normals for College Station
Beginning of the month: 88°F/68°F Monthly precipitation: 3.79"
Middle of the month: 92°F/72°F Precipitation days: 7
End of the month: 94°F/73°F Days ≥ 90°F:  21