729  
CDUS45 KRIW 050728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST TUE DEC 05 2023  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 4 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 43 11:20 AM 59 1965 37 6 42  
MINIMUM 20 8:38 PM -22 2013 17 3 22  
AVERAGE 32 27 5  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.25 2017 0.02 -0.02 T  
MONTH TO DATE 0.00 0.08 -0.08 0.15  
SINCE DEC 1 0.00 0.08 -0.08 0.15  
SINCE JAN 1 15.35 11.69 3.66 12.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.8 2017 0.4 -0.4 0.0  
MONTH TO DATE 0.0 1.4 -1.4 2.4  
SINCE DEC 1 0.0 1.4 -1.4 2.4  
SINCE JUL 1 13.3 18.8 -5.5 20.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 38 -5 33  
MONTH TO DATE 157 151 6 138  
SINCE DEC 1 157 151 6 138  
SINCE JUL 1 1822 1953 -131 1953  
 
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 32 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 12.2  
 
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 96 8:00 PM  
LOWEST 62 12:00 PM  
AVERAGE 79  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 65 1939  
MINIMUM TEMPERATURE (F) 16 -27 1972  
 
SUNRISE AND SUNSET  
DECEMBER 5 2023......SUNRISE 7:21 AM MST SUNSET 4:32 PM MST  
DECEMBER 6 2023......SUNRISE 7:22 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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