421  
CDUS45 KRIW 110045  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SUN AUG 10 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 10 2025
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 81 3:42 PM 99 2022 87 -6 80  
MINIMUM 54 4:03 AM 45 2002 55 -1 51  
AVERAGE 68 71 -3 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.10 2005 0.02 -0.02 0.04  
MONTH TO DATE T 0.15 -0.15 0.04  
SINCE JUN 1 1.21 1.63 -0.42 0.51  
SINCE JAN 1 5.73 6.09 -0.36 5.15  
 
SNOWFALL (IN)  
TODAY MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 1  
SINCE JUN 1 80 125 -45 41  
SINCE JUL 1 2 10 -8 8  
 
COOLING  
TODAY 3 7 -4 1  
MONTH TO DATE 68 75 -7 84  
SINCE JUN 1 453 366 87 439  
SINCE JAN 1 459 374 85 439    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54  
LOWEST 19  
AVERAGE 37  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 98 2018  
MINIMUM TEMPERATURE (F) 55 47 2004  
 
SUNRISE AND SUNSET  
AUGUST 10 2025........SUNRISE 6:15 AM MDT SUNSET 8:23 PM MDT  
AUGUST 11 2025........SUNRISE 6:16 AM MDT SUNSET 8:21 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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