231  
CDUS43 KLSX 192226  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
426 PM CST THU DEC 19 2024  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 19 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 51 350 PM 68 1877 44 7 43  
1889  
1976  
MINIMUM 28 619 AM -7 1884 28 0 21  
1983  
AVERAGE 40 36 4 32  
 
PRECIPITATION (IN)  
TODAY 0.00 1.49 1895 0.08 -0.08 0.00  
MONTH TO DATE 1.71 1.48 0.23 1.14  
SINCE DEC 1 1.71 1.48 0.23 1.14  
SINCE JAN 1 49.64 40.68 8.96 31.99  
 
SNOWFALL (IN)  
TODAY 0.0 12.0 1973 0.1 -0.1 0.0  
MONTH TO DATE 0.4 1.6 -1.2 0.0  
SINCE DEC 1 0.4 1.6 -1.2 0.0  
SINCE JUL 1 3.6 2.5 1.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 25 29 -4 33  
MONTH TO DATE 505 513 -8 389  
SINCE DEC 1 505 513 -8 389  
SINCE JUL 1 1039 1335 -296 1041  
 
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 SE (150)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 200 AM  
LOWEST 52 300 PM  
AVERAGE 65  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 71 2013  
MINIMUM TEMPERATURE (F) 28 -10 1901  
 
SUNRISE AND SUNSET  
DECEMBER 19 2024......SUNRISE 715 AM CST SUNSET 443 PM CST  
DECEMBER 20 2024......SUNRISE 716 AM CST SUNSET 443 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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