020  
CDUS45 KRIW 120732  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT MON MAY 12 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 11 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 80 4:09 PM 83 2007 65 15 69  
MINIMUM 46 4:07 AM 24 1999 38 8 38  
AVERAGE 63 51 12 54  
 
PRECIPITATION (IN)  
YESTERDAY T 1.50 0.06 -0.06 0.00  
MONTH TO DATE 0.36 0.68 -0.32 0.96  
SINCE MAR 1 3.24 2.53 0.71 1.86  
SINCE JAN 1 3.74 3.22 0.52 3.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.1 2010 0.0  
MONTH TO DATE T 0.7  
SINCE MAR 1 17.3 4.3  
SINCE JUL 1 29.8 36.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 14 -12 11  
MONTH TO DATE 90 172 -82 212  
SINCE MAR 1 1580 1731 -151 1649  
SINCE JUL 1 6927 7609 -682 7233  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 5:00 AM  
LOWEST 17 11:00 AM  
AVERAGE 39  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 87 2007  
MINIMUM TEMPERATURE (F) 38 29 2004  
2014  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 5:53 AM MDT SUNSET 8:28 PM MDT  
MAY 13 2025...........SUNRISE 5:52 AM MDT SUNSET 8:29 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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