293  
CDUS45 KRIW 210737  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1237 AM MST FRI FEB 21 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR FEBRUARY 20 2025
 
 
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)  
YESTERDAY  
MAXIMUM 34 4:48 PM 62 1958 39 -5 52  
MINIMUM 0 3:32 AM -21 2018 16 -16 34  
AVERAGE 17 27 -10  
 
PRECIPITATION (IN)  
YESTERDAY T 0.42 2011 0.02 -0.02 0.00  
MONTH TO DATE 0.24 0.38 -0.14 0.54  
SINCE DEC 1 0.88 1.48 -0.60 0.96  
SINCE JAN 1 0.72 0.87 -0.15 0.90  
 
SNOWFALL (IN)  
YESTERDAY MM 6.0 2011 0.4 MM 0.0  
MONTH TO DATE 2.3 7.8 -5.5 6.7  
SINCE DEC 1 10.5 27.8 -17.3 13.9  
SINCE JUL 1 10.5 45.2 -34.7 27.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 48 38 10 22  
MONTH TO DATE 911 787 124 684  
SINCE DEC 1 3314 3272 42 3013  
SINCE JUL 1 4814 5074 -260 4678  
 
COOLING  
YESTERDAY 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 8 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 10:00 PM  
LOWEST 66 4:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 68 1982  
MINIMUM TEMPERATURE (F) 16 -8 1948  
2018  
 
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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