544  
CDUS45 KRIW 230045  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SUN JUN 22 2025  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JUNE 22 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 73 2:16 PM 95 2012 81 -8 89  
2021  
MINIMUM 50 5:58 AM 40 2019 50 0 51  
AVERAGE 62 66 -4 70  
 
PRECIPITATION (IN)  
TODAY 0.00 0.14 2014 0.02 -0.02 0.00  
MONTH TO DATE 0.79 0.77 0.02 0.28  
SINCE JUN 1 0.79 0.77 0.02 0.28  
SINCE JAN 1 5.31 5.23 0.08 4.92  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE JUN 1 0.0 0.0  
SINCE JUL 1 30.7 36.7  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 3 2 1 0  
MONTH TO DATE 65 101 -36 33  
SINCE JUN 1 65 101 -36 33  
SINCE JUL 1 7221 7913 -692 7484  
 
COOLING  
TODAY 0 3 -3 5  
MONTH TO DATE 83 37 46 78  
SINCE JUN 1 83 37 46 78  
SINCE JAN 1 89 45 44 78    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66  
LOWEST 8  
AVERAGE 37  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 2007  
MINIMUM TEMPERATURE (F) 50 41 2013  
 
SUNRISE AND SUNSET  
JUNE 22 2025..........SUNRISE 5:35 AM MDT SUNSET 8:57 PM MDT  
JUNE 23 2025..........SUNRISE 5:35 AM MDT SUNSET 8:57 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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