163  
CDUS45 KRIW 220731  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT SAT AUG 22 2026  
   
...............................
 
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR AUGUST 21 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 88R 1:10 PM 87 2010 79 9 83  
2011  
2019  
MINIMUM 46 6:12 AM 27 1980 39 7 54  
AVERAGE 67 59 8  
 
PRECIPITATION (IN)  
YESTERDAY T 0.48 2021 0.03 -0.03 T  
MONTH TO DATE 0.61 0.58 0.03 0.13  
SINCE JUN 1 2.79 2.48 0.31 1.45  
SINCE JAN 1 4.16 5.62 -1.46 4.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 46 88 -42 68  
SINCE JUN 1 371 525 -154 343  
SINCE JUL 1 85 200 -115 128  
 
COOLING  
YESTERDAY 2 0 2 4  
MONTH TO DATE 26 14 12 17  
SINCE JUN 1 151 32 119 39  
SINCE JAN 1 151 32 119 39    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 55 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 6:00 AM  
LOWEST 17 3:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 90 2009  
MINIMUM TEMPERATURE (F) 39 24 1988  
 
SUNRISE AND SUNSET  
AUGUST 22 2026........SUNRISE 6:35 AM MDT SUNSET 8:11 PM MDT  
AUGUST 23 2026........SUNRISE 6:36 AM MDT SUNSET 8:09 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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