897  
CDUS45 KRIW 100028  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
528 PM MST MON DEC 09 2024  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 9 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 32 1:29 PM 63 1939 35 -3 34  
MINIMUM 16 4:32 AM -23 1977 15 1 20  
AVERAGE 24 25 -1 27  
 
PRECIPITATION (IN)  
TODAY 0.01 0.33 1985 0.02 -0.01 0.01  
MONTH TO DATE 0.01 0.18 -0.17 0.01  
SINCE DEC 1 0.01 0.18 -0.17 0.01  
SINCE JAN 1 9.13 11.79 -2.66 15.09  
 
SNOWFALL (IN)  
TODAY MM 0.3 MM 0.3  
MONTH TO DATE T 3.1 -3.1 0.3  
SINCE DEC 1 T 3.1 -3.1 0.3  
SINCE JUL 1 T 20.5 -20.5 13.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 41 40 1 38  
MONTH TO DATE 271 348 -77 291  
SINCE DEC 1 271 348 -77 291  
SINCE JUL 1 1771 2150 -379 1956  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 538 443 95 342    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92  
LOWEST 63  
AVERAGE 78  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 63 1939  
MINIMUM TEMPERATURE (F) 15 -18 1961  
 
SUNRISE AND SUNSET  
DECEMBER 9 2024......SUNRISE 7:26 AM MST SUNSET 4:31 PM MST  
DECEMBER 10 2024......SUNRISE 7:26 AM MST SUNSET 4:31 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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