321  
CDUS45 KRIW 160727  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SAT AUG 16 2025  
   
...............................
 
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR AUGUST 15 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 80 11:16 AM 88 2023 80 0 81  
MINIMUM 47 5:04 AM 28 1978 41 6 35  
AVERAGE 64 61 3  
 
PRECIPITATION (IN)  
YESTERDAY T 0.30 1980 0.02 -0.02 T  
MONTH TO DATE 0.02 0.41 -0.39 0.16  
SINCE JUN 1 1.34 2.31 -0.97 0.64  
SINCE JAN 1 4.77 5.45 -0.68 2.74  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 5 -4 7  
MONTH TO DATE 56 55 1 39  
SINCE JUN 1 331 492 -161 291  
SINCE JUL 1 116 167 -51 118  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 10 14 -4 23  
SINCE JUN 1 32 32 0 62  
SINCE JAN 1 32 32 0 62    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 5:00 AM  
LOWEST 23 2:00 PM  
AVERAGE 41  
   
......................................................
 
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 90 2023  
MINIMUM TEMPERATURE (F) 41 29 1999  
 
SUNRISE AND SUNSET  
AUGUST 16 2025........SUNRISE 6:29 AM MDT SUNSET 8:20 PM MDT  
AUGUST 17 2025........SUNRISE 6:30 AM MDT SUNSET 8:18 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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