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September 1998

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September was the fifth consecutive month that the Brazos Valley experienced above normal temperatures with a mean monthly temperature of 82.1°F. The mean daily temperature dropped below its daily normal temperature on only 5 days throughout the month. Interestingly, even with the warmer than normal temperatures, Easterwood Field set two new lowest maximum temperature records on the 11th and the 12th with maximum temperatures reaching only 77°F and 76°F, respectively. Our region also experienced a wetter than normal September with a monthly precipitation total of 7.61". More than half of the monthly precipitation that fell on Easterwood can be attributed to Tropical Storm Frances, which brought heavy rains to East Texas from the 10th to the 12th of September. On September 11th alone, 4.31" of rain was reported at Easterwood Field. Dreary conditions continued on into the 3rd week of the month when a stationary trough was parked over East Texas from the 14th to the 17th. During the last week of September, the sun was able to break out from behind the clouds and warm temperatures in the Brazos Valley to above normal. On the 28th, for example, the mean daily temperature was 11 degrees above normal.

  Daily Temperature Daily Precipitation Monthly Temperature Summary
Day Maximum Minimum *Departure Total Mean Value *Departure
1 96°F 73°F +2°F   Maximum 90.8°F +2.4°F
2 97°F 74°F +4°F   Minimum 73.4°F +4.7°F
3 100°F 73°F +6°F   Average 82.1°F +3.5°F
4 99°F 75°F +6°F   Degree Days Total *Departure
5 96°F 71°F +2°F   Heating 0 0
6 95°F 69°F +1°F   Cooling 520 +112
7 96°F 70°F +2°F   Numberof Days: Total *Departure
8 94°F 73°F +2°F   Maximum ≥ 90°F 21 +4
9 95°F 74°F +4°F   Maximum ≤ 32°F 0 0
10 82°F 73°F ‑2°F 0.10" Minimum ≤ 32°F 0 0
11 77°F 73°F ‑5°F 4.31"  
12 76°F 73°F ‑6°F 1.21" Monthly Precipitation Summary
13 79°F 73°F ‑3°F   Precipitation Value *Departure
14 89°F 75°F +3°F 0.35" Monthly Total 2.25" ‑2.62"
15 84°F 74°F 0°F 1.44" Year-to-date Total 24.94" ‑4.35"
16 79°F 74°F ‑2°F 0.19" Days ≥ 0.01" 7 +1
17 86°F 74°F +2°F    
18 91°F 73°F +4°F   Monthly Extremes
19 91°F 73°F +4°F   Extreme Value Date(s)
20 92°F 76°F +6°F 0.01" Highest Temperature 100°F 3rd
21 92°F 75°F +6°F   Lowest Temperature 69°F 6th, 30th
22 93°F 77°F +8°F   Max. 24-hour Precip. 4.31" 11th
23 93°F 76°F +8°F   Maximum Wind Gust 31 mph 11th
24 93°F 75°F +8°F    
25 92°F 72°F +6°F   Record Book for September
26 89°F 73°F +5°F   Highest Temperature 106°F 1985
27 93°F 76°F +10°F   Lowest Temperature 42°F 1942
28 96°F 75°F +10°F   Highest Minimum 82°F 1916
29 95°F 71°F +8°F   Lowest Maximum 62°F 1985
30 94°F 69°F +6°F   Wettest Month 12.13" 1958
  Driest Month 0.02" 1929
  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 1961‑1990 normal.


*New Records Set
Day Parameter Value Old Record Year
11th Most daily precipitation 4.31" 4.28" 1961
15th Most daily precipitation 1.44" 1.22" 1968
22nd Tied highest minimum temperature 77°F 77°F 1926
*Near Records
Day Parameter Value Record Year
11th 3rd lowest maximum temperature 77°F -999°F 1922
12th 2nd lowest maximum temperature 76°F -999°F 1947
20th Tied 3rd highest minimum temperature 76°F 80°F 1915
23rd 3rd highest minimum temperature 76°F 77°F 1926
24th Tied 2nd highest minimum temperature 75°F 76°F 1984
27th Tied 2nd highest minimum temperature 76°F 78°F 1959
28th Tied 2nd highest minimum temperature 75°F 78°F 1959
*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: 84°F/64°F Monthly precipitation: 3.81"
Middle of the month: 80°F/59°F Precipitation days: 6
End of the month: 75°F/54°F Days ≥ 90°F:  3