641  
CDUS45 KRIW 220035  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
535 PM MST FRI FEB 21 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR FEBRUARY 21 2025  
 
VALID TODAY AS OF 0500 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 48 3:22 PM 68 1982 39 9 43  
MINIMUM 17 12:15 AM -8 1948 16 1 27  
2018  
AVERAGE 33 28 5 35  
 
PRECIPITATION (IN)  
TODAY 0.00 0.28 2023 0.02 -0.02 0.01  
MONTH TO DATE 0.24 0.40 -0.16 0.55  
SINCE DEC 1 0.88 1.50 -0.62 0.97  
SINCE JAN 1 0.72 0.89 -0.17 0.91  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 -0.4 T  
MONTH TO DATE 2.3 8.2 -5.9 6.7  
SINCE DEC 1 10.5 28.2 -17.7 13.9  
SINCE JUL 1 10.5 45.6 -35.1 27.2  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 32 37 -5 30  
MONTH TO DATE 943 824 119 714  
SINCE DEC 1 3346 3309 37 3043  
SINCE JUL 1 4846 5111 -265 4708  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92  
LOWEST 35  
AVERAGE 64  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 63 1982  
MINIMUM TEMPERATURE (F) 16 -17 2023  
 
SUNRISE AND SUNSET  
FEBRUARY 21 2025......SUNRISE 6:54 AM MST SUNSET 5:46 PM MST  
FEBRUARY 22 2025......SUNRISE 6:52 AM MST SUNSET 5:47 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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