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CXUS55 KRIW 011721
CLMBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1107 AM MDT TUE SEP 01 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR BIG PINEY FOR THE MONTH
OF AUGUST 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF AUGUST 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 AUGUST
THE AVERAGE TEMPERATURE FOR BIG PINEY IN AUGUST WAS 63.4 DEGREES
WHICH WAS 3.3 DEGREES ABOVE NORMAL. IT WAS THE SIXTH WARMEST AUGUST
ON RECORD. THE WARMEST READING FOR THE MONTH WAS 93 DEGREES ON THE
1ST WHICH BROKE 90 DEGREES FROM 1998 AND 2008 AND ALSO ON THE 2ND
WHICH BROKE 93 FROM 2024/ THE 21ST HIGH OF 88 BROKE 87 DEGREES FROM
2010, 2011 AND 2019. THE COLDEST READING WAS 31 DEGREES ON THE 31ST.
PRECIPITATION FOR THE MONTH WAS 0.81 INCHES...WHICH IS 93 PERCENT OF
NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 13TH WITH 0.37 INCHES
AND BROKE THE 1978 RECORD OF 0.20. THE HIGHEST WIND GUST WAS 55 MPH
OCCURRING ON THE 21ST FROM THE SOUTHWEST.
..THE BIG PINEY WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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 99 08/06/2003
LOW 19 08/27/1992
08/26/1992
HIGHEST 93 08/01
08/02
LOWEST 31 08/31
AVG. MAXIMUM 81.6 79.8 1.8
AVG. MINIMUM 45.3 40.4 4.9
MEAN 63.4 60.1 3.3
DAYS MAX >= 90 5
DAYS MAX <= 32 0
DAYS MIN <= 32 1
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.82 1997
MINIMUM T 2020
TOTALS 0.81 0.87 -0.06 1.11
DAILY AVG. 0.03 0.03 0.00
DAYS >= .01 13
DAYS >= .10 2
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.37 08/13 TO 08/13
STORM TOTAL 0.37
DEGREE DAYS
HEATING TOTAL 78 164 -86
SINCE 7/1 117 277 -160
COOLING TOTAL 38 12 26
SINCE 1/1 163 30 133
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 7.2
RESULTANT WIND SPEED/DIRECTION 3/340
HIGHEST WIND SPEED/DIRECTION 39/210 DATE 08/21
HIGHEST GUST SPEED/DIRECTION 55/210 DATE 08/21
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.20
NUMBER OF DAYS FAIR 23
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 49
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 3
LIGHT RAIN 18 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 5 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 SEPTEMBER 2026. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 75 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 36 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 63
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 27 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.64 INCHES.
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