562  
CDUS45 KRIW 140730  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT WED MAY 14 2025  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 13 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 73 1:50 PM 87 2013 66 7 77  
MINIMUM 42 11:59 PM 26 2014 39 3 42  
AVERAGE 58 52 6 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.30R 0.13 1999 0.07 0.23 0.00  
MONTH TO DATE 0.83 0.82 0.01 0.96  
SINCE MAR 1 3.71 2.67 1.04 1.86  
SINCE JAN 1 4.21 3.36 0.85 3.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.2 2004 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 13 -6 5  
MONTH TO DATE 140 198 -58 223  
SINCE MAR 1 1630 1757 -127 1660  
SINCE JUL 1 6977 7635 -658 7244  
 
COOLING  
YESTERDAY 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 14.5  
 
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  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 10:00 PM  
LOWEST 21 2:00 AM  
AVERAGE 59  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 86 2013  
MINIMUM TEMPERATURE (F) 39 28 2014  
 
SUNRISE AND SUNSET  
MAY 14 2025...........SUNRISE 5:51 AM MDT SUNSET 8:30 PM MDT  
MAY 15 2025...........SUNRISE 5:50 AM MDT SUNSET 8:31 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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