026
CXUS55 KRIW 011637
CLMBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1032 AM MDT MON JUN 01 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR BIG PINEY FOR THE MONTH
OF MAY 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 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
..BIG PINEY WAS DRIER AND WARMER THAN NORMAL IN MAY
THE AVERAGE TEMPERATURE FOR BIG PINEY IN MAY WAS 47.0 DEGREES WHICH
WAS 1.7 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS
83 DEGREES ON THE 13TH. THIS BROKE 80 DEGREES FROM 2013. THE 12TH
HIGH OF 81 BROKE 79 FROM 2001. THE COLDEST READING WAS 18 DEGREES ON
THE 2ND.
PRECIPITATION FOR THE MONTH WAS 0.56 INCHES...WHICH IS 46 PERCENT OF
NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 17TH-18TH WITH 0.24
INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE HIGHEST
WIND GUST WAS 62 MPH OCCURRING ON THE 13TH FROM THE SOUTHWEST.
..THE BIG PINEY WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1976 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 87 05/11/2007
LOW 0 05/14/1984
HIGHEST 83 05/13
LOWEST 18 05/02
AVG. MAXIMUM 65.4 61.8 3.6
AVG. MINIMUM 28.6 28.9 -0.3
MEAN 47.0 45.3 1.7
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 24
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.99 2016
MINIMUM 0.08 2020
TOTALS 0.56 1.22 -0.66 0.66
DAILY AVG. 0.02 0.04 -0.02
DAYS >= .01 7
DAYS >= .10 2
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.24 05/17 TO 05/18
STORM TOTAL 0.17
DEGREE DAYS
HEATING TOTAL 549 609 -60
SINCE 7/1 7745 10080 -2335
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 8.9
RESULTANT WIND SPEED/DIRECTION 3/310
HIGHEST WIND SPEED/DIRECTION 45/260 DATE 05/13
HIGHEST GUST SPEED/DIRECTION 62/250 DATE 05/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.30
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 49
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 3
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 2
LIGHT SNOW 4 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 2
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO JUNE 2026. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 67 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 34 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 78
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 39 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 1.01 INCHES.
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