179
CXUS55 KRIW 011834
CLMLND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1115 AM MST MON DEC 01 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LANDER 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
..LANDER WAS WARMER AND DRIER THAN NORMAL IN NOVEMBER.
THE AVERAGE TEMPERATURE FOR LANDER IN NOVEMBER WAS 40.5 DEGREES
WHICH WAS 8.4 DEGREES ABOVE NORMAL. IT WAS THE 3RD WARMEST NOVEMBER
SINCE RECORDS BEGAN IN 1892. THE WARMEST READING FOR THE MONTH WAS
71 DEGREES ON THE 2ND AND BROKE THE 1931 RECORD OF 70. THE 4TH HIGH
OF 69 DEGREES TIED THE 1945, 1980 AND 2020 RECORD. THE COLDEST
TEMPERATURE WAS 6 DEGREES ON THE 29TH.
PRECIPITATION FOR THE MONTH WAS 0.43 INCHES...WHICH IS 55 PERCENT OF
NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 16TH-17TH WHEN 0.33
INCHES OF PRECIPITATION FELL. NO PRECIPITATION OR SNOWFALL RECORDS
WERE BROKEN THIS MONTH.
THE SNOWFALL FOR THE MONTH WAS 1.1 INCHES. NORMAL SNOWFALL FOR
NOVEMBER IS 10.6 INCHES. THE SNOWIEST 24-HOUR PERIOD WAS ON THE 28TH-
29TH WHEN 1.1 INCHES FELL. THE HIGHEST WIND GUST WAS 55 MPH AND
OCCURRED ON THE 14TH FROM THE SOUTHWEST.
..THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 72 11/11/1894
LOW -18 11/13/2014
11/23/1985
11/15/1978
HIGHEST 71 11/02
LOWEST 6 11/29
AVG. MAXIMUM 52.8 44.3 8.5
AVG. MINIMUM 28.1 19.9 8.2
MEAN 40.5 32.1 8.4
DAYS MAX >= 90 0
DAYS MAX <= 32 2
DAYS MIN <= 32 19
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.37 1983
MINIMUM 0.00 1939
TOTALS 0.43 0.78 -0.35 0.32
DAILY AVG. 0.01 0.03 -0.02
DAYS >= .01 4
DAYS >= .10 2
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.33 11/16 TO 11/17
STORM TOTAL 0.21
SNOWFALL (INCHES)
TOTALS 1.1 10.6 -9.5
SINCE 7/1 1.1 22.6 -21.5
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 728 987 -259
SINCE 7/1 1370 1827 -457
COOLING TOTAL 0 0 0
SINCE 1/1 569 485 84
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 4.8
RESULTANT WIND SPEED/DIRECTION 1/260
HIGHEST WIND SPEED/DIRECTION 38/250 DATE 11/14
HIGHEST GUST SPEED/DIRECTION 55/240 DATE 11/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.16
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 53
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 2 SLEET 0
FOG 4 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- 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 37 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 14 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 32
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 9. THE AVERAGE MONTHLY
PRECIPITATION IS 0.63 INCHES. THE AVERAGE SNOWFALL IS 9.3 INCHES.
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