830
CXUS55 KRIW 061838
CLMGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1128 AM MST FRI MAR 06 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR GREYBULL 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
..GREYBULL IN FEBRUARY WAS DRIER THAN NORMAL WITH RECORD WARMTH.
THE AVERAGE TEMPERATURE FOR GREYBULL IN FEBRUARY WAS 34.3 DEGREES
WHICH IS 10.7 DEGREES ABOVE NORMAL. IT WAS THE 1ST WARMEST FEBRUARY
SINCE RECORDS BEGAN IN 1998. THE WARMEST TEMPERATURE FOR THE MONTH
WAS 65 DEGREES ON THE 6TH WHICH BROKE THE 2015 RECORD OF 56. THE 5TH
HIT 61 DEGREES AND BROKE 51 FROM 2024. THE 7TH HIGH OF 60 BROKE 58
DEGREES FROM 1999. THE 8TH HIT 59 DEGREES AND BROKE 57 FROM 2015.
THE 14TH HIGH OF 53 TIED 2015 AND 2016. THE 15TH SAW 57 DEGREES AND
BROKE 50 FROM 2011. THE 16TH HIGH OF 60 BROKE 50 DEGREES FROM 2011.
THE COLDEST TEMPERATURE WAS -13 DEGREES ON THE 20TH
PRECIPITATION FOR THE MONTH WAS 0.04 INCHES...WHICH IS 33 PERCENT OF
NORMAL. IT WAS THE 5TH DRIEST FEBRUARY ON RECORD. THE WETTEST 24-
HOUR PERIOD HAD 0.02 INCHES ON THE 10TH AND AGAIN ON THE 25TH WHICH
TIED 2000 AND 2015. THE HIGHEST WIND GUST WAS 53 MPH. IT OCCURRED
ON THE 17TH FROM THE WEST-NORTHWEST.
..THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 69 02/28/2006
LOW -31 02/02/2011
HIGHEST 65 02/06
LOWEST -13 02/20
AVG. MAXIMUM 50.4 35.5 14.9
AVG. MINIMUM 18.1 11.8 6.3
MEAN 34.3 23.6 10.6
DAYS MAX >= 90 0
DAYS MAX <= 32 3
DAYS MIN <= 32 26
DAYS MIN <= 0 3
PRECIPITATION (INCHES)
RECORD
MAXIMUM 0.51 2020
MINIMUM 0.00 2008
TOTALS 0.04 0.12 -0.08 0.05
DAILY AVG. 0.00 0.00 -0.00
DAYS >= .01 2
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.02 02/25 TO 02/25
02/10 TO 02/10
02/25 TO 02/25
STORM TOTAL 0.02
DEGREE DAYS
HEATING TOTAL 852 1158 -306
SINCE 7/1 4388 5824 -1436
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 5.3
RESULTANT WIND SPEED/DIRECTION 1/170
HIGHEST WIND SPEED/DIRECTION 40/270 DATE 02/17
HIGHEST GUST SPEED/DIRECTION 53/280 DATE 02/17
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.17
NUMBER OF DAYS FAIR 21
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 2 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 4 SLEET 0
FOG 3 FOG W/VIS <= 1/4 MILE 1
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 44 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 18 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 56
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 30 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.53 INCHES.
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