326  
CDUS45 KRIW 290730  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT FRI AUG 29 2025  
   
...............................
 
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR AUGUST 28 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 70 3:22 PM 88 2012 77 -7 77  
MINIMUM 46 11:59 PM 26 1976 37 9 35  
AVERAGE 58 57 1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11 2010 0.03 -0.03 0.00  
MONTH TO DATE 1.11 0.77 0.34 0.45  
SINCE JUN 1 2.43 2.67 -0.24 0.93  
SINCE JAN 1 5.86 5.81 0.05 3.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 8 -1 9  
MONTH TO DATE 94 139 -45 103  
SINCE JUN 1 369 576 -207 355  
SINCE JUL 1 154 251 -97 182  
 
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 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 4:00 AM  
LOWEST 37 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 87 2005  
2012  
MINIMUM TEMPERATURE (F) 37 26 1989  
2024  
 
SUNRISE AND SUNSET  
AUGUST 29 2025........SUNRISE 6:43 AM MDT SUNSET 7:59 PM MDT  
AUGUST 30 2025........SUNRISE 6:44 AM MDT SUNSET 7:57 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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