758  
CDUS45 KRIW 310727  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT MON AUG 31 2026  
   
...............................
 
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR AUGUST 30 2026
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1976 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 4:12 PM 86 2022 76 -5 77  
MINIMUM 38 11:59 PM 23 1993 37 1 40  
AVERAGE 55 56 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.39 2003 0.04 0.01 0.00  
MONTH TO DATE 0.81 0.84 -0.03 1.11  
SINCE JUN 1 2.99 2.74 0.25 2.43  
SINCE JAN 1 4.36 5.88 -1.52 5.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 9 1 6  
MONTH TO DATE 67 156 -89 106  
SINCE JUN 1 392 593 -201 381  
SINCE JUL 1 106 268 -162 166  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 38 14 24 19  
SINCE JUN 1 163 32 131 41  
SINCE JAN 1 163 32 131 41    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 26 4:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 86 2016  
2019  
2022  
MINIMUM TEMPERATURE (F) 36 24 2005  
 
SUNRISE AND SUNSET  
AUGUST 31 2026........SUNRISE 6:44 AM MDT SUNSET 7:56 PM MDT  
SEPTEMBER 1 2026.....SUNRISE 6:45 AM MDT SUNSET 7:54 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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