120
CXUS53 KUNR 011550
CLMGCC
CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
950 AM MDT THU OCT 01 2026
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...THE GILLETTE AIRPORT WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
HIGHEST 97 09/06 91 09/10
LOWEST 34 09/15 34 09/05
AVG. MAXIMUM 78.7 74.7 4.0 80.4
AVG. MINIMUM 48.6 44.2 4.4 47.8
MEAN 63.6 59.4 4.2 64.1
DAYS MAX >= 90 4 2
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.41 0.98 -0.57 0.43
DAILY AVG. 0.01 0.03 -0.02 0.01
DAYS >= .01 6 5
DAYS >= .10 1 2
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.21 09/17 TO 09/17 0.24
DEGREE DAYS
HEATING TOTAL 95 215 -120 79
SINCE 7/1 111 270 -159 MM
COOLING TOTAL 62 48 14 57
SINCE 1/1 747 516 231 MM
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WIND (MPH)
AVERAGE WIND SPEED 10.2
HIGHEST WIND SPEED/DIRECTION 43/180 DATE 09/13
HIGHEST GUST SPEED/DIRECTION 56/190 DATE 09/13
AVERAGE RH (PERCENT) 52
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 0
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 1
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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