155  
CDUS45 KRIW 200727  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SUN JUL 20 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JULY 19 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 92 2:52 PM 100 2021 89 3 90  
MINIMUM 56 5:09 AM 49 2015 57 -1 58  
AVERAGE 74 73 1 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.03 0.02 -0.02 0.01  
MONTH TO DATE 0.02 0.33 -0.31 0.18  
SINCE JUN 1 0.92 1.27 -0.35 0.46  
SINCE JAN 1 5.44 5.73 -0.29 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 9 8 1 9  
MONTH TO DATE 159 125 34 124  
SINCE JUN 1 275 192 83 262  
SINCE JAN 1 281 200 81 262    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 57 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.2  
 
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 60 5:00 AM  
LOWEST 10 3:00 PM  
AVERAGE 35  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 99 2005  
MINIMUM TEMPERATURE (F) 57 46 1997  
 
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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