415  
CDUS45 KRIW 220734  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT TUE JUL 22 2025  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JULY 21 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 96 2:13 PM 98 2007 89 7 84  
MINIMUM 54 4:37 AM 49 2009 57 -3 56  
AVERAGE 75 73 2 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.06 0.02 -0.02 0.00  
MONTH TO DATE 0.02 0.37 -0.35 0.18  
SINCE JUN 1 0.92 1.31 -0.39 0.46  
SINCE JAN 1 5.44 5.77 -0.33 5.10  
 
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 6 -6 7  
SINCE JUN 1 78 121 -43 40  
SINCE JUL 1 0 6 -6 7  
 
COOLING  
YESTERDAY 10 8 2 5  
MONTH TO DATE 182 141 41 136  
SINCE JUN 1 298 208 90 274  
SINCE JAN 1 304 216 88 274    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.1  
 
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 42 4:00 AM  
LOWEST 9 2:00 PM  
AVERAGE 26  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 100 2007  
MINIMUM TEMPERATURE (F) 57 52 2010  
 
SUNRISE AND SUNSET  
JULY 22 2025..........SUNRISE 5:55 AM MDT SUNSET 8:45 PM MDT  
JULY 23 2025..........SUNRISE 5:56 AM MDT SUNSET 8:44 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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