674  
CDUS45 KRIW 040727  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST MON DEC 04 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 3 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 11:59 PM 59 1941 37 -3 39  
MINIMUM 15 7:07 AM -6 1955 17 -2 14  
1992  
AVERAGE 25 27 -2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.30 2013 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.06 -0.06 0.15  
SINCE DEC 1 0.00 0.06 -0.06 0.15  
SINCE JAN 1 15.35 11.67 3.68 12.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.8 1961 0.3 -0.3 0.0  
MONTH TO DATE 0.0 1.0 -1.0 2.4  
SINCE DEC 1 0.0 1.0 -1.0 2.4  
SINCE JUL 1 13.3 18.4 -5.1 20.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 38 2 38  
MONTH TO DATE 124 113 11 105  
SINCE DEC 1 124 113 11 105  
SINCE JUL 1 1789 1915 -126 1920  
 
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 28 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 5:00 AM  
LOWEST 45 12:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 59 1965  
MINIMUM TEMPERATURE (F) 17 -22 2013  
 
SUNRISE AND SUNSET  
DECEMBER 4 2023......SUNRISE 7:20 AM MST SUNSET 4:32 PM MST  
DECEMBER 5 2023......SUNRISE 7:21 AM MST SUNSET 4:32 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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