833  
CDUS45 KRIW 280729  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST THU DEC 28 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 27 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 34 2:49 PM 61 1980 34 0 44  
MINIMUM 21 6:22 AM -16 1941 14 7 37  
AVERAGE 28 24 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.16 1966 0.02 -0.02 T  
MONTH TO DATE 0.06 0.53 -0.47 0.74  
SINCE DEC 1 0.06 0.53 -0.47 0.74  
SINCE JAN 1 15.41 12.14 3.27 13.36  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.2 1966 0.4 -0.4 T  
MONTH TO DATE 1.0 9.6 -8.6 14.6  
SINCE DEC 1 1.0 9.6 -8.6 14.6  
SINCE JUL 1 14.3 27.0 -12.7 32.5  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 41 -4 24  
MONTH TO DATE 878 1082 -204 1160  
SINCE DEC 1 878 1082 -204 1160  
SINCE JUL 1 2543 2884 -341 2975  
 
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 24 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 10:00 PM  
LOWEST 41 1:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 53 2005  
MINIMUM TEMPERATURE (F) 14 -26 1983  
 
SUNRISE AND SUNSET  
DECEMBER 28 2023......SUNRISE 7:36 AM MST SUNSET 4:39 PM MST  
DECEMBER 29 2023......SUNRISE 7:36 AM MST SUNSET 4:39 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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