705  
CDUS45 KRIW 230045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT TUE APR 22 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 22 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 62 3:16 PM 81 1994 58 4 68  
MINIMUM 19 5:11 AM 12 1967 29 -10 34  
AVERAGE 41 43 -2 51  
 
PRECIPITATION (IN)  
TODAY 0.00 0.37 1988 0.05 -0.05 0.00  
MONTH TO DATE 0.78 0.96 -0.18 1.05  
SINCE MAR 1 2.11 1.80 0.31 1.62  
SINCE JAN 1 2.83 2.85 -0.02 2.65  
 
SNOWFALL (IN)  
TODAY MM 0.3 MM 0.0  
MONTH TO DATE 7.7 8.3 -0.6 6.6  
SINCE MAR 1 15.7 18.6 -2.9 9.3  
SINCE JUL 1 26.2 66.9 -40.7 38.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 24 22 2 14  
MONTH TO DATE 540 520 20 487  
SINCE MAR 1 1389 1427 -38 1380  
SINCE JUL 1 6404 6789 -385 6335  
 
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 16 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 25  
AVERAGE 63  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 82 1989  
2012  
MINIMUM TEMPERATURE (F) 29 9 2013  
 
SUNRISE AND SUNSET  
APRIL 22 2025.........SUNRISE 6:12 AM MDT SUNSET 7:57 PM MDT  
APRIL 23 2025.........SUNRISE 6:11 AM MDT SUNSET 7:58 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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