620  
CDUS45 KRIW 020727  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SAT DEC 02 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 1 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 32 3:36 PM 63 1995 38 -6 46  
2021  
MINIMUM 3 1:42 AM -23 1985 17 -14 31  
AVERAGE 18 28 -10  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.24 1982 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.00  
SINCE DEC 1 0.00 0.02 -0.02 0.00  
SINCE JAN 1 15.35 11.63 3.72 12.62  
 
SNOWFALL (IN)  
YESTERDAY 0.0 16.5 1982 0.3 -0.3 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE DEC 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 13.3 17.7 -4.4 17.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 37 10 26  
MONTH TO DATE 47 37 10 26  
SINCE DEC 1 47 37 10 26  
SINCE JUL 1 1712 1839 -127 1841  
 
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 29 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 13.2  
 
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 87 2:00 AM  
LOWEST 61 11:00 AM  
AVERAGE 74  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 66 2021  
MINIMUM TEMPERATURE (F) 17 -15 1985  
 
SUNRISE AND SUNSET  
DECEMBER 2 2023......SUNRISE 7:18 AM MST SUNSET 4:32 PM MST  
DECEMBER 3 2023......SUNRISE 7:19 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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