141  
CDUS45 KRIW 200045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SAT APR 19 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 19 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 45 4:47 PM 81 1962 57 -12 42  
MINIMUM 16 2:30 AM -4 1966 28 -12 25  
AVERAGE 31 43 -12 34  
 
PRECIPITATION (IN)  
TODAY 0.00 1.18 1974 0.04 -0.04 0.00  
MONTH TO DATE 0.76 0.81 -0.05 1.05  
SINCE MAR 1 2.09 1.65 0.44 1.62  
SINCE JAN 1 2.81 2.70 0.11 2.65  
 
SNOWFALL (IN)  
TODAY MM 0.3 MM 0.0  
MONTH TO DATE 7.7 7.3 0.4 6.6  
SINCE MAR 1 15.7 17.6 -1.9 9.3  
SINCE JUL 1 26.2 65.9 -39.7 38.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 34 22 12 31  
MONTH TO DATE 473 454 19 420  
SINCE MAR 1 1322 1361 -39 1313  
SINCE JUL 1 6337 6723 -386 6268  
 
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 23 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 14.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 47  
AVERAGE 72  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 81 1962  
1980  
1989  
MINIMUM TEMPERATURE (F) 29 -2 1966  
 
SUNRISE AND SUNSET  
APRIL 19 2025.........SUNRISE 6:17 AM MDT SUNSET 7:53 PM MDT  
APRIL 20 2025.........SUNRISE 6:16 AM MDT SUNSET 7:55 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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