919  
CDUS45 KRIW 020736  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT FRI MAY 02 2025  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 1 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 58 3:46 PM 78 2007 61 -3 53  
MINIMUM 34 4:25 AM 24 2011 34 0 28  
AVERAGE 46 48 -2 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.31 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.06 -0.06 0.00  
SINCE MAR 1 2.88 1.91 0.97 0.90  
SINCE JAN 1 3.38 2.60 0.78 2.35  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 2002 0.0  
MONTH TO DATE 0.0 0.0  
SINCE MAR 1 17.3 3.6  
SINCE JUL 1 29.8 35.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 18 1 24  
MONTH TO DATE 19 18 1 24  
SINCE MAR 1 1509 1577 -68 1461  
SINCE JUL 1 6856 7455 -599 7045  
 
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 26 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 75  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 80 2000  
MINIMUM TEMPERATURE (F) 35 22 2002  
 
SUNRISE AND SUNSET  
MAY 2 2025...........SUNRISE 6:06 AM MDT SUNSET 8:17 PM MDT  
MAY 3 2025...........SUNRISE 6:04 AM MDT SUNSET 8:18 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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