437  
CDUS45 KRIW 310727  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT THU JUL 31 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JULY 30 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 82 4:43 PM 96 2001 89 -7 91  
MINIMUM 57 11:59 PM 48 2009 57 0 57  
AVERAGE 70 73 -3 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.29 0.35 0.02 0.27 0.00  
MONTH TO DATE 0.31 0.52 -0.21 0.19  
SINCE JUN 1 1.21 1.46 -0.25 0.47  
SINCE JAN 1 5.73 5.92 -0.19 5.11  
 
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 MM  
 
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 5 8 -3 9  
MONTH TO DATE 265 213 52 212  
SINCE JUN 1 381 280 101 350  
SINCE JAN 1 387 288 99 350    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 9:00 PM  
LOWEST 30 5:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 98 2003  
MINIMUM TEMPERATURE (F) 57 49 2009  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 6:04 AM MDT SUNSET 8:36 PM MDT  
AUGUST 1 2025........SUNRISE 6:05 AM MDT SUNSET 8:35 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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