887  
CDUS43 KLSX 152227  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
427 PM CST SUN DEC 15 2024  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 15 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 54 353 PM 76 1948 45 9 63  
MINIMUM 48 1016 AM -5 1901 29 19 39  
AVERAGE 51 37 14 51  
 
PRECIPITATION (IN)  
TODAY 0.00 2.76 1992 0.07 -0.07 0.00  
MONTH TO DATE 1.55 1.18 0.37 0.82  
SINCE DEC 1 1.55 1.18 0.37 0.82  
SINCE JAN 1 49.48 40.38 9.10 31.67  
 
SNOWFALL (IN)  
TODAY 0.0 6.9 2007 0.1 -0.1 0.0  
MONTH TO DATE 0.4 1.2 -0.8 0.0  
SINCE DEC 1 0.4 1.2 -0.8 0.0  
SINCE JUL 1 3.6 2.1 1.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 14 28 -14 14  
MONTH TO DATE 420 397 23 282  
SINCE DEC 1 420 397 23 282  
SINCE JUL 1 954 1219 -265 934  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 2057 1713 344 1942    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 61 400 PM  
AVERAGE 74  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 71 2021  
MINIMUM TEMPERATURE (F) 28 -8 1989  
 
SUNRISE AND SUNSET  
DECEMBER 15 2024......SUNRISE 713 AM CST SUNSET 441 PM CST  
DECEMBER 16 2024......SUNRISE 713 AM CST SUNSET 441 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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