606  
CXUS55 KRIW 031751 CCA  
CLMBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1045 AM MST MON NOV 03 2025  
 
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR BIG PINEY FOR THE MONTH  
OF OCTOBER 2025...  
 
...OFFICIAL CLIMATE DATA FOR THE MONTH OF OCTOBER 2025 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 WARMER AND WETTER THAN NORMAL IN OCTOBER  
 
THE AVERAGE TEMPERATURE FOR BIG PINEY IN OCTOBER WAS 41.2 DEGREES  
WHICH WAS 3 DEGREES ABOVE NORMAL. IT WAS THE 6TH WARMEST OCTOBER  
SINCE RECORDS BEGAN IN 1998. THE WARMEST READING FOR THE MONTH WAS  
74 DEGREES ON THE 2ND. THE COLDEST READING WAS 14 DEGREES ON THE  
21ST. NO TEMPERATURE RECORDS WERE BROKEN THIS MONTH.  
 
PRECIPITATION FOR THE MONTH WAS 0.98 INCHES...WHICH IS 158 PERCENT  
OF NORMAL. IT WAS THE 3RD WETTEST OCTOBER ON RECORD. THE WETTEST 24-  
HOUR PERIOD WAS ON THE 3RD-4TH WITH 0.34 INCHES. THE 14TH HAD 0.13  
INCHES AND BROKE THE 2001 RECORD OF 0.10. THE 26TH HAD 0.09 INCHES  
BREAKING 0.02 FROM 2004. THE HIGHEST WIND GUST WAS 53 MPH OCCURRING  
ON THE 19TH FROM THE WEST.  
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1976 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 79 10/04/2024  
LOW -26 10/30/2019  
HIGHEST 74 10/02  
LOWEST 14 10/21  
AVG. MAXIMUM 57.1 55.0 2.1  
AVG. MINIMUM 25.3 21.4 3.9  
MEAN 41.2 38.2 3.0  
DAYS MAX >= 90 0  
DAYS MAX <= 32 0  
DAYS MIN <= 32 23  
DAYS MIN <= 0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 2.47 2016  
MINIMUM T 1996  
TOTALS 0.98 0.62 0.36 0.75  
DAILY AVG. 0.03 0.02 0.01  
DAYS >= .01 8  
DAYS >= .10 4  
DAYS >= .50 0  
DAYS >= 1.00 0  
GREATEST  
24 HR. TOTAL 0.34 10/03 TO 10/04  
STORM TOTAL 0.31  
 
DEGREE DAYS  
HEATING TOTAL 674 831 -157  
SINCE 7/1 1147 1534 -387  
COOLING TOTAL 0 0 0  
SINCE 1/1 41 30 11    
..........................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 6.8  
RESULTANT WIND SPEED/DIRECTION 2/330  
HIGHEST WIND SPEED/DIRECTION 38/270 DATE 10/19  
HIGHEST GUST SPEED/DIRECTION 53/280 DATE 10/19  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.24  
NUMBER OF DAYS FAIR 20  
NUMBER OF DAYS PC 9  
NUMBER OF DAYS CLOUDY 1  
 
AVERAGE RH (PERCENT) 61  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 3 MIXED PRECIP 0  
HEAVY RAIN 1 RAIN 2  
LIGHT RAIN 8 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 1 SLEET 0  
FOG 9 FOG W/VIS <= 1/4 MILE 2  
HAZE 0  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
LOOKING AHEAD TO NOVEMBER 2025. THE AVERAGE HIGH TEMPERATURE ON THE  
FIRST OF THE MONTH IS 7 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS  
16 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 32  
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 3 DEGREES. THE AVERAGE  
MONTHLY PRECIPITATION IS 0.26 INCHES.  
 
 
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