208
CXUS55 KRIW 011828
CLMCPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1115 AM MST MON DEC 01 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR CASPER FOR THE MONTH OF
NOVEMBER 2025...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF NOVEMBER 2025 WILL BE
AVAILABLE IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-
WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE
INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW
..NOVEMBER WAS DRIER AND WARMER THAN NORMAL FOR CASPER
AVERAGE TEMPERATURE FOR CASPER IN NOVEMBER WAS 39.4 DEGREES WHICH IS
5.4 DEGREES ABOVE NORMAL. THE WARMEST READING OF THE MONTH WAS 70
DEGREES ON THE 2ND. THE HIGH OF 67 DEGREES ON THE 16TH TIED THE 1999
RECORD. THE COLDEST READING FOR THE MONTH WAS -15 DEGREES ON THE
29TH AND BROKE THE 1975 RECORD OF -10.
TOTAL PRECIPITATION FOR THE MONTH WAS 0.27 INCHES...WHICH IS 42
PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD DURING THE MONTH WAS
ON THE 28TH-29TH WITH 0.23 INCHES. NO PRECIPITATION OR SNOWFALL
RECORDS WERE BROKEN THIS MONTH.
THE SNOWFALL FOR THE MONTH WAS 3 INCHES WHICH IS 34 PERCENT OF
NORMAL. THE SNOWIEST 24-HOURS WAS ON THE 28TH-29TH WITH 3 INCHES.
THE HIGHEST WIND GUST WAS 47 MPH FROM THE SOUTHWEST ON THE 4TH AND
16TH.
..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
..........................................................
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.
LOOKING AHEAD TO DECEMBER 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 38 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 17 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 34
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 14. THE AVERAGE MONTHLY
PRECIPITATION IS 0.61 INCHES. THE AVERAGE SNOWFALL IS 11 INCHES.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page