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CXUS55 KRIW 061843
CLMRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1128 AM MST FRI MAR 06 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR RIVERTON 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
..RIVERTON WAS DRIER WITH RECORD WARMTH IN FEBRUARY.
THE AVERAGE TEMPERATURE FOR RIVERTON IN FEBRUARY WAS 34.5 DEGREES
WHICH WAS 10.8 DEGREES ABOVE NORMAL. IT WAS THE WARMEST FEBRUARY
SINCE RECORDS BEGAN IN 1996. THE WARMEST READING FOR THE MONTH WAS
61 DEGREES ON THE 7TH AND BROKE THE 1996 RECORD OF 59. THE 5TH HIT
58 DEGREES AND BROKE 55 FROM 2007. THE 6TH HIGH OF 54 BROKE THE 1996
RECORD OF 53. THE 7TH HIT 61 AND BROKE THE 1996 RECORD OF 59. THE
16TH HIT 59 AND BROKE 56 FROM 2016. THE 25TH HIGH OF 59 BROKE 58
FROM 2009. THE 26TH SAW 56 DEGREES AND BROKE THE 2016 RECORD OF 55.
THE COLDEST READING WAS -4 DEGREES ON THE 19TH AND 20TH.
PRECIPITATION FOR THE MONTH WAS 0.22 INCHES...WHICH IS 55 PERCENT OF
NORMAL. IT WAS THE 7TH DRIEST FEBRUARY ON RECORD. THE WETTEST 24-
HOURS WAS THE 18TH-19TH WHEN 0.22 INCHES FELL. NO PRECIPITATION OR
SNOWFALL RECORDS WERE BROKEN THIS MONTH.
SNOWFALL FOR THE MONTH WAS 3.9 INCHES. THE SNOWIEST 24-HOURS WAS ON
THE 18TH-19TH WHEN 3.6 INCHES FELL. THE HIGHEST WIND GUST WAS 56
MPH FROM THE WEST AND OCCURRED ON THE 17TH.
..THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 62 02/23/2002
LOW -28 02/18/2006
HIGHEST 61 02/07
LOWEST -4 02/19
02/20
AVG. MAXIMUM 48.0 35.5 12.5
AVG. MINIMUM 21.1 11.9 9.2
MEAN 34.5 23.7 10.8
DAYS MAX >= 90 0
DAYS MAX <= 32 3
DAYS MIN <= 32 23
DAYS MIN <= 0 3
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.09 2024
MINIMUM 0.01 2009
TOTALS 0.22 0.40 -0.18 0.08
DAILY AVG. 0.01 0.01 -0.00
DAYS >= .01 2
DAYS >= .10 1
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.22 02/18 TO 02/19
STORM TOTAL 0.14
SNOWFALL (INCHES)
TOTALS 3.9 0.0 3.9
SINCE 7/1 8.0 MM MM
SNOWDEPTH AVG. 0
DAYS >= 1.0 2
DEGREE DAYS
HEATING TOTAL 845 1156 -311
SINCE 7/1 4293 5878 -1585
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 9.4
RESULTANT WIND SPEED/DIRECTION 5/290
HIGHEST WIND SPEED/DIRECTION 46/250 DATE 02/17
HIGHEST GUST SPEED/DIRECTION 56/260 DATE 02/17
56/290 02/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.08
NUMBER OF DAYS FAIR 25
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 50
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 1 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 3 SLEET 0
FOG 3 FOG W/VIS <= 1/4 MILE 0
HAZE 2
- 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 42 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 17 DEGREES. THE AVERAGE HIGH AT THE END OF THE MONTH IS 54
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 27. THE AVERAGE MONTHLY
PRECIPITATION IS 0.65 INCHES.
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