835  
CDUS45 KRIW 240726  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT SUN AUG 24 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 23 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 MM MM 95 2011 84 MM 89  
MINIMUM MM MM 39 2015 52 MM 52  
AVERAGE MM 68 MM 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.07 0.01 -0.01 0.00  
MONTH TO DATE 0.01 0.31 -0.30 0.22  
SINCE JUN 1 1.22 1.79 -0.57 0.69  
SINCE JAN 1 5.74 6.25 -0.51 5.33  
 
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 MM 1 MM 0  
MONTH TO DATE 2 10 -8 1  
SINCE JUN 1 80 135 -55 41  
SINCE JUL 1 2 20 -18 8  
 
COOLING  
YESTERDAY MM 4 MM 6  
MONTH TO DATE 178 143 35 167  
SINCE JUN 1 563 434 129 522  
SINCE JAN 1 569 442 127 522    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 22 3:00 PM  
LOWEST 21 4:00 PM  
AVERAGE 22  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2011  
2020  
MINIMUM TEMPERATURE (F) 52 42 2010  
2014  
 
SUNRISE AND SUNSET  
AUGUST 24 2025........SUNRISE 6:30 AM MDT SUNSET 8:01 PM MDT  
AUGUST 25 2025........SUNRISE 6:31 AM MDT SUNSET 8:00 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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