064  
CDUS45 KRIW 300732  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT SAT AUG 30 2025  
   
...............................
 
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR AUGUST 29 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1976 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 1:55 PM 87 2005 76 -1 75  
2012  
MINIMUM 42 4:20 AM 26 1989 37 5 26  
2024  
AVERAGE 59 57 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.03 2002 0.03 -0.03 0.00  
MONTH TO DATE 1.11 0.80 0.31 0.45  
SINCE JUN 1 2.43 2.70 -0.27 0.93  
SINCE JAN 1 5.86 5.84 0.02 3.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 8 -2 14  
MONTH TO DATE 100 147 -47 117  
SINCE JUN 1 375 584 -209 369  
SINCE JUL 1 160 259 -99 196  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 19 14 5 25  
SINCE JUN 1 41 32 9 64  
SINCE JAN 1 41 32 9 64    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 20 4:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 86 2022  
MINIMUM TEMPERATURE (F) 37 23 1993  
 
SUNRISE AND SUNSET  
AUGUST 30 2025........SUNRISE 6:44 AM MDT SUNSET 7:57 PM MDT  
AUGUST 31 2025........SUNRISE 6:45 AM MDT SUNSET 7:56 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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