594  
CDUS45 KRIW 180037  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
537 PM MST TUE DEC 17 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 17 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 38 1:09 AM 60 1980 34 4 51  
MINIMUM 26 4:59 PM -31 1964 14 12 16  
AVERAGE 32 24 8 34  
 
PRECIPITATION (IN)  
TODAY 0.00 0.45 1970 0.02 -0.02 0.00  
MONTH TO DATE 0.01 0.34 -0.33 0.02  
SINCE DEC 1 0.01 0.34 -0.33 0.02  
SINCE JAN 1 9.13 11.95 -2.82 15.10  
 
SNOWFALL (IN)  
TODAY 0.0 0.3 -0.3 0.0  
MONTH TO DATE T 6.0 -6.0 0.3  
SINCE DEC 1 T 6.0 -6.0 0.3  
SINCE JUL 1 T 23.4 -23.4 13.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 33 41 -8 31  
MONTH TO DATE 536 672 -136 548  
SINCE DEC 1 536 672 -136 548  
SINCE JUL 1 2036 2474 -438 2213  
 
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 29 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.4  
 
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 85  
LOWEST 56  
AVERAGE 71  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 52 1994  
MINIMUM TEMPERATURE (F) 14 -18 1983  
 
SUNRISE AND SUNSET  
DECEMBER 17 2024......SUNRISE 7:32 AM MST SUNSET 4:33 PM MST  
DECEMBER 18 2024......SUNRISE 7:32 AM MST SUNSET 4:33 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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