441  
CDUS45 KRIW 210045  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SUN JUL 20 2025  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JULY 20 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 94 4:23 PM 99 2005 89 5 87  
MINIMUM 62 5:22 AM 46 1997 57 5 56  
AVERAGE 78 73 5 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.07 2017 0.02 -0.02 T  
MONTH TO DATE 0.02 0.35 -0.33 0.18  
SINCE JUN 1 0.92 1.29 -0.37 0.46  
SINCE JAN 1 5.44 5.75 -0.31 5.10  
 
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 0 6 -6 7  
SINCE JUN 1 78 121 -43 40  
SINCE JUL 1 0 6 -6 7  
 
COOLING  
TODAY 13 8 5 7  
MONTH TO DATE 172 133 39 131  
SINCE JUN 1 288 200 88 269  
SINCE JAN 1 294 208 86 269    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 26  
LOWEST 8  
AVERAGE 17  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 98 2007  
MINIMUM TEMPERATURE (F) 57 49 2009  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 5:53 AM MDT SUNSET 8:47 PM MDT  
JULY 21 2025..........SUNRISE 5:54 AM MDT SUNSET 8:46 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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