640
CXUS55 KRIW 010746
CLMCPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1246 AM MST MON DEC 01 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 73 11/04/2020
LOW -27 11/12/2014
HIGHEST 70 11/02
LOWEST -15 11/29
AVG. MAXIMUM 54.1 45.9 8.2
AVG. MINIMUM 24.7 22.0 2.7
MEAN 39.4 34.0 5.4
DAYS MAX >= 90 0
DAYS MAX <= 32 2
DAYS MIN <= 32 22
DAYS MIN <= 0 2
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.72 1983
MINIMUM 0.04 2020
TOTALS 0.27 0.64 -0.37 0.39
DAILY AVG. 0.01 0.02 -0.01
DAYS >= .01 5
DAYS >= .10 1
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.23 11/28 TO 11/29
STORM TOTAL 0.18
SNOWFALL (INCHES)
TOTALS 3.0 8.9 -5.9
SINCE 7/1 4.3 17.4 -13.1
SNOWDEPTH AVG. 0
DAYS >= 1.0 1
DEGREE DAYS
HEATING TOTAL 761 932 -171
SINCE 7/1 1426 1802 -376
COOLING TOTAL 0 0 0
SINCE 1/1 467 443 24
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WIND (MPH)
AVERAGE WIND SPEED 11.7
RESULTANT WIND SPEED/DIRECTION 9/230
HIGHEST WIND SPEED/DIRECTION 38/210 DATE 11/16
HIGHEST GUST SPEED/DIRECTION 47/210 DATE 11/04
47/230 11/14
47/210 11/16
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.22
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 56
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 3 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 2
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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