983  
CDUS45 KRIW 260045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SAT APR 25 2026  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 25 2026
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 47 4:07 PM 79 1987 58 -11 49  
MINIMUM 23 12:47 AM 18 2008 30 -7 33  
AVERAGE 35 44 -9 41  
 
PRECIPITATION (IN)  
TODAY 0.00 0.84 1964 0.06 -0.06 0.00  
MONTH TO DATE 0.98 1.12 -0.14 0.96  
SINCE MAR 1 1.14 1.96 -0.82 2.29  
SINCE JAN 1 1.68 3.01 -1.33 3.01  
 
SNOWFALL (IN)  
TODAY MM 0.3 MM 0.0  
MONTH TO DATE 8.8 9.2 -0.4 7.7  
SINCE MAR 1 10.4 19.5 -9.1 15.7  
SINCE JUL 1 26.1 67.8 -41.7 26.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 30 21 9 24  
MONTH TO DATE 490 584 -94 611  
SINCE MAR 1 1076 1491 -415 1460  
SINCE JUL 1 5253 6853 -1600 6475  
 
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 20 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 49  
AVERAGE 73  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 80 1946  
1981  
2012  
MINIMUM TEMPERATURE (F) 30 17 1988  
2010  
 
SUNRISE AND SUNSET  
APRIL 25 2026.........SUNRISE 6:08 AM MDT SUNSET 8:00 PM MDT  
APRIL 26 2026.........SUNRISE 6:07 AM MDT SUNSET 8:01 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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