623  
CDUS45 KRIW 260735  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1235 AM MST TUE DEC 26 2023  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 25 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 22 2:57 PM 56 1980 34 -12 40  
MINIMUM 0 4:37 AM -15 2009 14 -14 26  
AVERAGE 11 24 -13  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.39 2016 0.02 -0.02 0.03  
MONTH TO DATE 0.06 0.49 -0.43 0.74  
SINCE DEC 1 0.06 0.49 -0.43 0.74  
SINCE JAN 1 15.41 12.10 3.31 13.36  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.1 2016 0.4 -0.4 0.3  
MONTH TO DATE 0.9 8.9 -8.0 14.6  
SINCE DEC 1 0.9 8.9 -8.0 14.6  
SINCE JUL 1 14.2 26.3 -12.1 32.5  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 54 41 13 32  
MONTH TO DATE 802 1000 -198 1102  
SINCE DEC 1 802 1000 -198 1102  
SINCE JUL 1 2467 2802 -335 2917  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 342 443 -101 544    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 7:00 AM  
LOWEST 59 2:00 PM  
AVERAGE 73  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 53 1980  
2005  
MINIMUM TEMPERATURE (F) 14 -17 2017  
 
SUNRISE AND SUNSET  
DECEMBER 26 2023......SUNRISE 7:36 AM MST SUNSET 4:37 PM MST  
DECEMBER 27 2023......SUNRISE 7:36 AM MST SUNSET 4:38 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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