249  
CDUS45 KRIW 120027  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
527 PM MST WED DEC 11 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 11 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 37 4:59 PM 59 1939 35 2 44  
MINIMUM 25 5:31 AM -19 1985 15 10 25  
AVERAGE 31 25 6 35  
 
PRECIPITATION (IN)  
TODAY 0.00 0.15 1984 0.02 -0.02 0.01  
MONTH TO DATE 0.01 0.22 -0.21 0.02  
SINCE DEC 1 0.01 0.22 -0.21 0.02  
SINCE JAN 1 9.13 11.83 -2.70 15.10  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 -0.4 T  
MONTH TO DATE T 3.9 -3.9 0.3  
SINCE DEC 1 T 3.9 -3.9 0.3  
SINCE JUL 1 T 21.3 -21.3 13.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 34 40 -6 30  
MONTH TO DATE 346 428 -82 351  
SINCE DEC 1 346 428 -82 351  
SINCE JUL 1 1846 2230 -384 2016  
 
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 30 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 20.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60  
LOWEST 33  
AVERAGE 47  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 60 2014  
MINIMUM TEMPERATURE (F) 15 -14 2000  
 
SUNRISE AND SUNSET  
DECEMBER 11 2024......SUNRISE 7:27 AM MST SUNSET 4:32 PM MST  
DECEMBER 12 2024......SUNRISE 7:28 AM MST SUNSET 4:32 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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