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May 2004

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The month of May was warm and wet for the Brazos Valley. The month began with some showers and cold temperatures due to a cold front moving out of the area. On the 2nd, a 28 year-old record for lowest minimum temperature was tied at 48°F. A high pressure system moved across the state warming up the area. Beginning on the 8th, College Station had seven consecutive days with measurable precipitation, and ten days with at least a trace of rainfall. The heaviest rain fell on the 13th due to a slow-moving cold frontal boundary with 5.04" recorded at Easterwood Field. In the nearby city of Hearne in Robertson County, 17.50" fell in 9 hours and two dams broke, flooding large parts of Robertson and Brazos Counties. After the passage of the cold front, temperatures warmed up with highs above 86°F for the entire second half of the month. Only a trace of rain was recorded after the 17th, and the area hit 90°F for the first time on the 24th. The minimum temperatures were also very high with records tied on the 18th and 29th and broken on the 30th. May ended by reaching its highest temperature at 96°F. The average temperature was only a degree above normal, but 7.81" of rain were recorded, which is 2.76" above normal. This added to the already-high precipitation total for 2004, which is now over 8" above normal at 25.24".

  Daily Temperature Daily Precipitation Monthly Temperature Summary
Day Maximum Minimum *Departure Total Mean Value *Departure
1 75°F 56°F ‑6°F 0.80" Maximum 85.3°F 0.0°F
2 75°F 48°F ‑10°F   Minimum 67.1°F +1.8°F
3 82°F 51°F ‑6°F   Average 76.2°F +0.9°F
4 83°F 58°F ‑2°F   Degree Days Total *Departure
5 83°F 59°F ‑2°F   Heating 3 ‑2
6 84°F 60°F ‑1°F   Cooling 360 +36
7 84°F 63°F +0°F   Numberof Days: Total *Departure
8 80°F 68°F +1°F 0.34" Maximum ≥ 90°F 7 +1
9 81°F 68°F +0°F 0.53" Maximum ≤ 32°F 0 0
10 85°F 66°F +2°F 0.02" Minimum ≤ 32°F 0 0
11 82°F 67°F +0°F 0.54"  
12 86°F 70°F +4°F 0.05" Monthly Precipitation Summary
13 78°F 64°F ‑4°F 5.04" Precipitation Value *Departure
14 73°F 61°F ‑8°F 0.10" Monthly Total 1.82" ‑3.23"
15 79°F 61°F ‑5°F   Year-to-date Total 25.26" +8.47"
16 86°F 63°F 0°F T Days ≥ 0.01" 9 +1
17 86°F 70°F +2°F 0.39"  
18 88°F 74°F +5°F   Monthly Extremes
19 89°F 72°F +4°F   Extreme Value Date(s)
20 89°F 73°F +5°F   Highest Temperature 96°F 31st
21 88°F 71°F +2°F T Lowest Temperature 48°F 2nd
22 89°F 73°F +4°F   Max. 24-hour Precip. 5.14" 13th
23 89°F 71°F +3°F   Maximum Wind Gust 43 mph 13th
24 90°F 71°F +4°F    
25 91°F 74°F +6°F   Record Book for May
26 90°F 72°F +3°F   Highest Temperature 100°F 1998
27 92°F 73°F +4°F   Lowest Temperature 42°F 1954
28 92°F 75°F +6°F   Highest Minimum 82°F 1988
29 91°F 76°F +6°F   Lowest Maximum 62°F 1979
30 89°F 80°F +6°F T Wettest Month 14.70" 1929
31 96°F 73°F +6°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
13th Most daily precipitation 5.04" 3.16" 1982
29th Tied highest minimum temperature 76°F 76°F 1927
30th Highest minimum temperature 80°F 77°F 1927
*Near Records
Day Parameter Value Record Year
2nd Tied 2nd lowest minimum temperature 48°F 46°F 1929
14th Tied 3rd lowest maximum temperature 73°F 62°F 1953
18th Tied 2nd highest minimum temperature 74°F 75°F 1927
*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