367
CXUS55 KRIW 061845
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1128 AM MST FRI MAR 06 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF FEBRUARY 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF FEBRUARY 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 DRIER THAN NORMAL IN FEBRUARY WITH RECORD
WARMTH...
THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN FEBRUARY WAS 34.2
DEGREES WHICH WAS 9.9 DEGREES ABOVE NORMAL. IT WAS THE 1ST WARMEST
FEBRUARY SINCE RECORDS BEGAN IN 1948. THE WARMEST READING FOR THE
MONTH WAS 55 DEGREES ON THE 6TH AND AGAIN ON THE 8TH...WHICH BROKE
THE 1954, 2015 AND 2018 RECORD OF 50. THE 5TH HIGH OF 54 BROKE THE
1963 RECORD OF 53. THE COLDEST TEMPERATURE WAS 4 DEGREES ON THE
20TH.
PRECIPITATION FOR THE MONTH WAS 0.13 INCHES...WHICH WAS 35 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 17TH WITH 0.05
INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE HIGHEST
WIND GUST WAS 63 MPH FROM THE SOUTH ON THE 17TH.
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY
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 60 02/20/1977
LOW -29 02/07/1989
HIGHEST 55 02/06
02/08
LOWEST 4 02/20
AVG. MAXIMUM 46.0 32.9 13.1
AVG. MINIMUM 22.4 15.7 6.7
MEAN 34.2 24.3 9.9
DAYS MAX >= 90 0
DAYS MAX <= 32 2
DAYS MIN <= 32 25
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.45 1959
MINIMUM T 2013
TOTALS 0.13 0.37 -0.24 0.22
DAILY AVG. 0.00 0.01 -0.01
DAYS >= .01 4
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.05 02/17 TO 02/17
STORM TOTAL 0.05
SNOWFALL (INCHES)
TOTALS MM 7.9 MM
SINCE 7/1 MM 35.7 MM
SNOWDEPTH AVG. MM
DAYS >= 1.0 MM
DEGREE DAYS
HEATING TOTAL 855 1139 -284
SINCE 7/1 4382 5791 -1409
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 12.2
RESULTANT WIND SPEED/DIRECTION 10/250
HIGHEST WIND SPEED/DIRECTION 47/190 DATE 02/17
HIGHEST GUST SPEED/DIRECTION 63/180 DATE 02/17
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.23
NUMBER OF DAYS FAIR 21
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 5 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 2 SNOW 2
LIGHT SNOW 3 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 3
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO MARCH 2026. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 38 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 20 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 49
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 27. THE AVERAGE MONTHLY
PRECIPITATION IS 0.58 INCHES.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page