967  
CDUS45 KRIW 250737  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1237 AM MST MON DEC 25 2023  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 24 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 25 2:14 PM 52 1955 34 -9 36  
MINIMUM 7 11:59 PM -33 1983 14 -7 26  
AVERAGE 16 24 -8  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.26 1982 0.02 -0.01 T  
MONTH TO DATE 0.06 0.47 -0.41 0.71  
SINCE DEC 1 0.06 0.47 -0.41 0.71  
SINCE JAN 1 15.41 12.08 3.33 13.33  
 
SNOWFALL (IN)  
YESTERDAY T 24.3 1982 0.3 -0.3 T  
MONTH TO DATE 0.9 8.5 -7.6 14.3  
SINCE DEC 1 0.9 8.5 -7.6 14.3  
SINCE JUL 1 14.2 25.9 -11.7 32.2  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 49 41 8 34  
MONTH TO DATE 748 959 -211 1070  
SINCE DEC 1 748 959 -211 1070  
SINCE JUL 1 2413 2761 -348 2885  
 
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 17 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1:00 AM  
LOWEST 54 12:00 PM  
AVERAGE 71  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 56 1980  
MINIMUM TEMPERATURE (F) 14 -15 2009  
 
SUNRISE AND SUNSET  
DECEMBER 25 2023......SUNRISE 7:35 AM MST SUNSET 4:37 PM MST  
DECEMBER 26 2023......SUNRISE 7:36 AM MST SUNSET 4:37 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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