330  
CDUS45 KRIW 031600  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
900 AM MST WED JAN 03 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 31 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 46 2:48 PM 54 1980 34 12 40  
MINIMUM 10 7:34 AM -34 1978 14 -4 24  
AVERAGE 28 24 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.38 2011 0.02 -0.02 T  
MONTH TO DATE 0.06 0.61 -0.55 0.74  
SINCE DEC 1 0.06 0.61 -0.55 0.74  
SINCE JAN 1 15.14 12.22 2.92 13.36  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 1975 0.3 -0.3 0.1  
MONTH TO DATE 1.0 11.0 -10.0 14.7  
SINCE DEC 1 1.0 11.0 -10.0 14.7  
SINCE JUL 1 14.3 28.4 -14.1 32.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 41 -4 33  
MONTH TO DATE 1014 1246 -232 1302  
SINCE DEC 1 1014 1246 -232 1302  
SINCE JUL 1 2679 3048 -369 3117  
 
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 20 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 3:00 AM  
LOWEST 32 2:00 PM  
AVERAGE 62  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 52 1943  
MINIMUM TEMPERATURE (F) 14 -29 1979  
 
SUNRISE AND SUNSET  
JANUARY 1 2024.......SUNRISE 7:37 AM MST SUNSET 4:42 PM MST  
JANUARY 2 2024.......SUNRISE 7:37 AM MST SUNSET 4:43 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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