745  
CDUS45 KRIW 190029  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
529 PM MST WED DEC 18 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 18 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 46 4:00 PM 52 1994 34 12 50  
MINIMUM 20 12:26 AM -18 1983 14 6 16  
AVERAGE 33 24 9 33  
 
PRECIPITATION (IN)  
TODAY 0.00 0.19 1961 0.01 -0.01 0.00  
MONTH TO DATE 0.01 0.35 -0.34 0.02  
SINCE DEC 1 0.01 0.35 -0.34 0.02  
SINCE JAN 1 9.13 11.96 -2.83 15.10  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 -0.4 0.0  
MONTH TO DATE T 6.4 -6.4 0.3  
SINCE DEC 1 T 6.4 -6.4 0.3  
SINCE JUL 1 T 23.8 -23.8 13.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 32 41 -9 32  
MONTH TO DATE 572 713 -141 580  
SINCE DEC 1 572 713 -141 580  
SINCE JUL 1 2072 2515 -443 2245  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 538 443 95 342    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 21.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92  
LOWEST 42  
AVERAGE 67  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 55 2023  
MINIMUM TEMPERATURE (F) 14 -24 1990  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 7:32 AM MST SUNSET 4:33 PM MST  
DECEMBER 19 2024......SUNRISE 7:33 AM MST SUNSET 4:34 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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