154  
CDUS45 KRIW 140045  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT TUE MAY 13 2025  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 13 2025  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 73 1:50 PM 87 2013 66 7 77  
MINIMUM 48 5:15 AM 26 2014 39 9 42  
AVERAGE 61 52 9 60  
 
PRECIPITATION (IN)  
TODAY 0.06 0.13 1999 0.07 -0.01 0.00  
MONTH TO DATE 0.59 0.82 -0.23 0.96  
SINCE MAR 1 3.47 2.67 0.80 1.86  
SINCE JAN 1 3.97 3.36 0.61 3.31  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE 0.9 0.7  
SINCE MAR 1 18.2 4.3  
SINCE JUL 1 30.7 36.5  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 4 13 -9 5  
MONTH TO DATE 137 198 -61 223  
SINCE MAR 1 1627 1757 -130 1660  
SINCE JUL 1 6974 7635 -661 7244  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 3 0 3 0  
SINCE MAR 1 3 0 3 0  
SINCE JAN 1 3 0 3 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 15.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80  
LOWEST 21  
AVERAGE 51  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 86 2013  
MINIMUM TEMPERATURE (F) 39 28 2014  
 
SUNRISE AND SUNSET  
MAY 13 2025...........SUNRISE 5:52 AM MDT SUNSET 8:29 PM MDT  
MAY 14 2025...........SUNRISE 5:51 AM MDT SUNSET 8:30 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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