227  
CXUS55 KRIW 011825  
CLMBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1115 AM MST MON DEC 01 2025  
 
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR BIG PINEY FOR THE MONTH  
OF NOVEMBER 2025...  
 
...OFFICIAL CLIMATE DATA FOR THE MONTH OF NOVEMBER 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 RECORD WETTER AND WARMER IN NOVEMBER
 
 
THE AVERAGE TEMPERATURE FOR BIG PINEY IN NOVEMBER WAS 34.5 DEGREES  
WHICH WAS 10.1 DEGREES ABOVE NORMAL. IT WAS THE WARMEST NOVEMBER  
SINCE RECORDS BEGAN IN 1998. THE WARMEST READING FOR THE MONTH WAS  
63 DEGREES ON THE 2ND AND 3RD. THE 2ND BROKE THE 2010 AND 2020  
RECORD OF 62. THE COLDEST READING WAS 4 DEGREES ON THE 29TH.  
 
PRECIPITATION FOR THE MONTH WAS 0.56 INCHES...WHICH IS 215 PERCENT  
OF NORMAL. IT WAS THE WETTEST NOVEMBER ON RECORD. THE WETTEST 24-  
HOUR PERIOD WAS ON THE 16TH-17TH WITH 0.54 INCHES. THE 16TH HAD 0.28  
INCHES AND BROKE THE 1996 RECORD OF 0.15. THE 17TH HAD 0.26 INCHES  
BREAKING 0.15 FROM 1998. THE HIGHEST WIND GUST WAS 40 MPH OCCURRING  
ON THE 7TH FROM THE NORTHWEST.  
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 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 67 11/04/1978  
LOW -27 11/16/1978  
HIGHEST 63 11/02  
11/03  
LOWEST 4 11/29  
AVG. MAXIMUM 49.1 39.4 9.7  
AVG. MINIMUM 19.8 9.4 10.4  
MEAN 34.5 24.4 10.1  
DAYS MAX >= 90 0  
DAYS MAX <= 32 2  
DAYS MIN <= 32 30  
DAYS MIN <= 0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 1.03 1978  
MINIMUM T 2011  
TOTALS 0.56 0.26 0.30 0.05  
DAILY AVG. 0.02 0.01 0.01  
DAYS >= .01 4  
DAYS >= .10 2  
DAYS >= .50 0  
DAYS >= 1.00 0  
GREATEST  
24 HR. TOTAL 0.54 11/16 TO 11/17  
STORM TOTAL 0.28  
 
DEGREE DAYS  
HEATING TOTAL 912 1218 -306  
SINCE 7/1 2059 2753 -694  
COOLING TOTAL 0 0 0  
SINCE 1/1 41 30 11    
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 5.3  
RESULTANT WIND SPEED/DIRECTION 2/350  
HIGHEST WIND SPEED/DIRECTION 29/260 DATE 11/04  
29/320 11/07  
HIGHEST GUST SPEED/DIRECTION 40/310 DATE 11/07  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.29  
NUMBER OF DAYS FAIR 19  
NUMBER OF DAYS PC 7  
NUMBER OF DAYS CLOUDY 4  
 
AVERAGE RH (PERCENT) 63  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 1  
LIGHT RAIN 6 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 1  
LIGHT SNOW 3 SLEET 0  
FOG 3 FOG W/VIS <= 1/4 MILE 0  
HAZE 3  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
LOOKING AHEAD TO DECEMBER 2025. THE AVERAGE HIGH TEMPERATURE ON THE  
FIRST OF THE MONTH IS 32 DEGREES...AND THE AVERAGE LOW TEMPERATURE  
IS 2 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 26  
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 4 DEGREES. THE AVERAGE  
MONTHLY PRECIPITATION IS 0.23 INCHES.  
 

 
 
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