776  
CDUS45 KRIW 160032  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
532 PM MST SUN DEC 15 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 15 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 46 2:04 PM 57 1980 34 12 47  
MINIMUM 34 4:59 PM -20 2008 14 20 23  
AVERAGE 40 24 16 35  
 
PRECIPITATION (IN)  
TODAY T 0.52 2010 0.02 -0.02 0.00  
MONTH TO DATE 0.01 0.30 -0.29 0.02  
SINCE DEC 1 0.01 0.30 -0.29 0.02  
SINCE JAN 1 9.13 11.91 -2.78 15.10  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 -0.4 0.0  
MONTH TO DATE T 5.3 -5.3 0.3  
SINCE DEC 1 T 5.3 -5.3 0.3  
SINCE JUL 1 T 22.7 -22.7 13.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 25 41 -16 30  
MONTH TO DATE 463 590 -127 493  
SINCE DEC 1 463 590 -127 493  
SINCE JUL 1 1963 2392 -429 2158  
 
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 41 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 26.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61  
LOWEST 22  
AVERAGE 42  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 59 1980  
MINIMUM TEMPERATURE (F) 14 -31 1964  
 
SUNRISE AND SUNSET  
DECEMBER 15 2024......SUNRISE 7:30 AM MST SUNSET 4:32 PM MST  
DECEMBER 16 2024......SUNRISE 7:31 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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