442  
CDUS45 KRIW 010736  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1236 AM MST FRI DEC 01 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR NOVEMBER 30 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 28 2:09 PM 63 1999 39 -11 34  
MINIMUM 3 7:40 AM -17 1985 18 -15 1  
AVERAGE 16 28 -12  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.73 2019 0.02 -0.02 0.00  
MONTH TO DATE 0.40 0.64 -0.24 1.15  
SINCE SEP 1 2.87 2.78 0.09 2.23  
SINCE JAN 1 15.35 11.61 3.74 12.62  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.9 2019 0.3 -0.3 0.0  
MONTH TO DATE 10.5 8.9 1.6 17.8  
SINCE SEP 1 13.3 17.4 -4.1 17.9  
SINCE JUL 1 13.3 17.4 -4.1 17.9  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 49 37 12 47  
MONTH TO DATE 875 932 -57 1115  
SINCE SEP 1 1612 1757 -145 1813  
SINCE JUL 1 1665 1802 -137 1815  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 20 31 -11 68  
SINCE JAN 1 342 443 -101 544    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.7  
 
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 91 10:00 PM  
LOWEST 63 2:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 63 1995  
2021  
MINIMUM TEMPERATURE (F) 17 -23 1985  
 
SUNRISE AND SUNSET  
DECEMBER 1 2023......SUNRISE 7:17 AM MST SUNSET 4:33 PM MST  
DECEMBER 2 2023......SUNRISE 7:18 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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