487
CXUS55 KRIW 022241
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
319 PM MST MON FEB 02 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF JANUARY 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 2026 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
..ROCK SPRINGS WAS WARMER AND DRIER IN JANUARY
THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN JANUARY WAS 28.4 DEGREES
WHICH WAS 6.9 DEGREES ABOVE NORMAL. IT WAS THE 4TH WARMEST JANUARY
SINCE RECORDS BEGAN IN 1948. THE WARMEST READING FOR THE MONTH WAS
51 DEGREES ON THE 14TH AND BROKE THE 2012 RECORD OF 48. THE 4TH HIGH
OF 48 BROKE THE 2012 RECORD OF 46. THE 15TH HIGH OF 48 DEGREES TIED
THE 1996 RECORD. THE COLDEST TEMPERATURE WAS -1 DEGREES ON THE 24TH.
PRECIPITATION FOR THE MONTH WAS 0.03 INCHES...WHICH WAS 8 PERCENT OF
NORMAL. IT WAS THE 6TH DRIEST JANUARY ON RECORD. THE WETTEST 24-HOUR
PERIOD WAS ON THE 1ST WITH 0.03 INCHES. NO PRECIPITATION RECORDS
WERE BROKEN THIS MONTH. THE HIGHEST WIND GUST WAS 53MPH FROM THE
WEST ON THE 20TH.
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY
2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 55 01/07/1969
LOW -37 01/12/1963
HIGHEST 51 01/14
LOWEST 01/24
AVG. MAXIMUM 39.0 29.5 9.5
AVG. MINIMUM 17.7 13.6 4.1
MEAN 28.4 21.5 6.9
DAYS MAX >= 90 0
DAYS MAX <= 32 6
DAYS MIN <= 32 31
DAYS MIN <= 0 1
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.54 1978
MINIMUM T 2022
TOTALS 0.03 0.38 -0.35 0.04
DAILY AVG. 0.00 0.01 -0.01
DAYS >= .01 1
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.03 01/01 TO 01/01
STORM TOTAL 0.03
SNOWFALL (INCHES)
TOTALS MM 8.2 MM
SINCE 7/1 MM 27.8 MM
SNOWDEPTH AVG. MM
DAYS >= 1.0 MM
DEGREE DAYS
HEATING TOTAL 1130 1347 -217
SINCE 7/1 3527 4649 -1122
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 13.1
RESULTANT WIND SPEED/DIRECTION 10/250
HIGHEST WIND SPEED/DIRECTION 41/260 DATE 01/20
HIGHEST GUST SPEED/DIRECTION 53/270 DATE 01/20
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.21
NUMBER OF DAYS FAIR 21
NUMBER OF DAYS PC 9
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 0
LIGHT SNOW 8 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 0
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO FEBRUARY 2026. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 30 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 14 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 37
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 19. THE AVERAGE MONTHLY
PRECIPITATION IS 0.37 INCHES.
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