740  
CDUS45 KRIW 160729  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST MON DEC 16 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 15 2024  
 
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)  
YESTERDAY  
MAXIMUM 46 2:04 PM 57 1980 34 12 47  
MINIMUM 21 11:59 PM -20 2008 14 7 23  
AVERAGE 34 24 10  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY T 7.3 2010 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  
YESTERDAY 31 41 -10 30  
MONTH TO DATE 469 590 -121 493  
SINCE DEC 1 469 590 -121 493  
SINCE JUL 1 1969 2392 -423 2158  
 
COOLING  
YESTERDAY 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 24.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 6:00 PM  
LOWEST 22 2:00 PM  
AVERAGE 56  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 59 1980  
MINIMUM TEMPERATURE (F) 14 -31 1964  
 
SUNRISE AND SUNSET  
DECEMBER 16 2024......SUNRISE 7:31 AM MST SUNSET 4:33 PM MST  
DECEMBER 17 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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