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May 1998

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The Brazos Valley experienced a wide range of extreme conditions during the month of May. From large anomalies in temperature and precipitation to limited visibility, May was indeed unique. The month began with scattered showers and a negative temperature departure on the first -- conditions quite atypical of the following 4 weeks. Twenty days reached a high temperature of 90°F or more, an astounding 14 days above normal. College Station observed its driest May on record as only 0.11" of rain reached the ground at Easterwood Field throughout the month. Smoke, transported from forest fires in Mexico and Central America, engulfed the Brazos Valley on the 13th and limited visibility throughout periods in the second half of the month. Health watches were issued across the entire state of Texas and numerous outdoor activities were cancelled as a result of the smoke. With a lack of rainfall in the region, the particulate matter was allowed to linger in the atmosphere for an extended period of time.

  Daily Temperature Daily Precipitation Monthly Temperature Summary
Day Maximum Minimum *Departure Total Mean Value *Departure
1 88°F 52°F ‑2°F T Maximum 91.0°F +7.0°F
2 89°F 54°F 0°F 0.04" Minimum 67.6°F +2.6°F
3 84°F 65°F +2°F   Average 79.3°F +4.7°F
4 87°F 73°F +8°F   Degree Days Total *Departure
5 81°F 69°F +3°F   Heating 15 +15
6 90°F 72°F +9°F   Cooling 436 +138
7 99°F 69°F +11°F   Numberof Days: Total *Departure
8 92°F 70°F +8°F   Maximum ≥ 90°F 20 +14
9 94°F 68°F +8°F   Maximum ≤ 32°F 0 0
10 88°F 58°F 0°F   Minimum ≤ 32°F 0 0
11 91°F 56°F +0°F    
12 89°F 67°F +4°F   Monthly Precipitation Summary
13 84°F 68°F +2°F   Precipitation Value *Departure
14 88°F 75°F +8°F   Monthly Total 1.82" ‑2.98"
15 87°F 74°F +6°F   Year-to-date Total 12.76" ‑3.27"
16 86°F 68°F +2°F   Days ≥ 0.01" 2 ‑6
17 92°F 63°F +2°F    
18 92°F 63°F +2°F   Monthly Extremes
19 93°F 59°F +1°F   Extreme Value Date(s)
20 90°F 70°F +5°F   Highest Temperature 100°F 31st
21 92°F 72°F +6°F   Lowest Temperature 52°F 1st
22 93°F 70°F +6°F   Max. 24-hour Precip. 0.08" 27th
23 90°F 73°F +6°F   Maximum Wind Gust 26 mph 8th
24 92°F 73°F +6°F    
25 92°F 75°F +6°F   Record Book for May
26 93°F 74°F +6°F T Highest Temperature 100°F 1998
27 93°F 68°F +4°F 0.07" Lowest Temperature 42°F 1954
28 96°F 69°F +6°F   Highest Minimum 82°F 1988
29 97°F 69°F +6°F   Lowest Maximum 62°F 1979
30 98°F 69°F +6°F   Wettest Month 14.70" 1929
31 100°F 72°F +8°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 1961‑1990 normal.


*New Records Set
Day Parameter Value Old Record Year
7th Highest maximum temperature 99°F 94°F 1945
30th Highest maximum temperature 98°F 97°F 1911
31st **Tied highest maximum temperature 100°F 100°F 1911
**Set record for the entire month.
*Near Records
Day Parameter Value Record Year
4th Tied 2nd highest minimum temperature 73°F 74°F 1950
8th Tied 2nd highest maximum temperature 92°F 93°F 1945
9th 2nd highest maximum temperature 94°F 95°F 1937
14th Tied 2nd highest minimum temperature 75°F 77°F 1995
15th Tied 3rd highest minimum temperature 74°F 75°F 1974
19th Tied 3rd highest maximum temperature 93°F 94°F 1933
21st Tied 4th highest maximum temperature 92°F 96°F 1996
25th Tied 4th highest minimum temperature 75°F 82°F 1988
28th 4th highest maximum temperature 96°F 98°F 1958
29th 2nd highest maximum temperature 97°F 100°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: 87°F/68°F Monthly precipitation: 3.68"
Middle of the month: 90°F/71°F Precipitation days: 6
End of the month: 92°F/72°F Days ≥ 90°F:  21