242  
CDUS45 KRIW 050045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SUN MAY 04 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR MAY 4 2025
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 1:29 PM 85 2000 62 15 63  
MINIMUM 33 5:30 AM 23 2024 33 0 23  
AVERAGE 55 47 8 43  
 
PRECIPITATION (IN)  
TODAY T 1.39 1971 0.07 -0.07 0.00  
MONTH TO DATE 0.05 0.26 -0.21 0.29  
SINCE MAR 1 2.97 2.51 0.46 2.08  
SINCE JAN 1 3.69 3.56 0.13 3.11  
 
SNOWFALL (IN)  
TODAY MM 0.1 MM 0.0  
MONTH TO DATE 0.0 0.6 -0.6 3.9  
SINCE MAR 1 15.7 21.4 -5.7 13.2  
SINCE JUL 1 26.2 69.7 -43.5 42.5  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 10 18 -8 22  
MONTH TO DATE 62 74 -12 105  
SINCE MAR 1 1611 1663 -52 1631  
SINCE JUL 1 6626 7025 -399 6586  
 
COOLING  
TODAY 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 SE (140)  
HIGHEST GUST SPEED 56 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 19  
AVERAGE 54  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 88 2000  
MINIMUM TEMPERATURE (F) 33 20 1950  
2010  
 
SUNRISE AND SUNSET  
MAY 4 2025...........SUNRISE 5:55 AM MDT SUNSET 8:11 PM MDT  
MAY 5 2025...........SUNRISE 5:54 AM MDT SUNSET 8:12 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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