169  
CDUS45 KRIW 210732  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT TUE JUL 21 2026  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JULY 20 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 99R 4:16 PM 99 2005 89 10 94  
MINIMUM 62 4:48 AM 46 1997 57 5 62  
AVERAGE 81 73 8 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.07 0.02 -0.02 0.00  
MONTH TO DATE 0.12 0.35 -0.23 0.02  
SINCE JUN 1 0.37 1.29 -0.92 0.92  
SINCE JAN 1 1.80 5.75 -3.95 5.44  
 
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 0  
SINCE JUN 1 70 121 -51 78  
SINCE JUL 1 0 6 -6 0  
 
COOLING  
YESTERDAY 16 8 8 13  
MONTH TO DATE 241 133 108 172  
SINCE JUN 1 297 200 97 288  
SINCE JAN 1 320 208 112 294    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 9.5  
 
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 46 5:00 AM  
LOWEST 14 3:00 PM  
AVERAGE 30  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 98 2007  
MINIMUM TEMPERATURE (F) 57 49 2009  
 
SUNRISE AND SUNSET  
JULY 21 2026..........SUNRISE 5:54 AM MDT SUNSET 8:46 PM MDT  
JULY 22 2026..........SUNRISE 5:55 AM MDT SUNSET 8:45 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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