626  
CDUS45 KRIW 080729  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST FRI DEC 08 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 7 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 50 1:33 PM 57 1939 36 14 40  
MINIMUM 32 11:59 PM -27 2016 16 16 20  
AVERAGE 41 26 15  
 
PRECIPITATION (IN)  
YESTERDAY T 0.38 1953 0.02 -0.02 0.00  
MONTH TO DATE T 0.14 -0.14 0.15  
SINCE DEC 1 T 0.14 -0.14 0.15  
SINCE JAN 1 15.35 11.75 3.60 12.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.6 1953 0.3 -0.3 0.0  
MONTH TO DATE 0.0 2.4 -2.4 2.4  
SINCE DEC 1 0.0 2.4 -2.4 2.4  
SINCE JUL 1 13.3 19.8 -6.5 20.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 39 -15 35  
MONTH TO DATE 219 268 -49 241  
SINCE DEC 1 219 268 -49 241  
SINCE JUL 1 1884 2070 -186 2056  
 
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 49 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 66 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 23.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 7:00 PM  
LOWEST 31 1:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 60 1939  
MINIMUM TEMPERATURE (F) 16 -33 2016  
 
SUNRISE AND SUNSET  
DECEMBER 8 2023......SUNRISE 7:24 AM MST SUNSET 4:31 PM MST  
DECEMBER 9 2023......SUNRISE 7:25 AM MST SUNSET 4:31 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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