321  
CDUS45 KRIW 080730  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT FRI AUG 08 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 7 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 95R 4:18 PM 94 2005 88 7 85  
2020  
MINIMUM 58 6:14 AM 47 1996 56 2 60  
AVERAGE 77 72 5 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.07 0.02 -0.02 0.00  
MONTH TO DATE T 0.11 -0.11 T  
SINCE JUN 1 1.21 1.59 -0.38 0.47  
SINCE JAN 1 5.73 6.05 -0.32 5.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0  
MONTH TO DATE 0.0 0.0  
SINCE JUN 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 78 125 -47 40  
SINCE JUL 1 0 10 -10 7  
 
COOLING  
YESTERDAY 12 7 5 8  
MONTH TO DATE 59 54 5 82  
SINCE JUN 1 444 345 99 437  
SINCE JAN 1 450 353 97 437    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 28 10:00 AM  
LOWEST 7 3:00 PM  
AVERAGE 18  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 94 2005  
MINIMUM TEMPERATURE (F) 56 47 1996  
2009  
 
SUNRISE AND SUNSET  
AUGUST 8 2025........SUNRISE 6:12 AM MDT SUNSET 8:26 PM MDT  
AUGUST 9 2025........SUNRISE 6:14 AM MDT SUNSET 8:24 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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