630  
CDUS43 KLSX 180831  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
231 AM CST WED DEC 18 2024  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 17 2024
 
 
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)  
YESTERDAY  
MAXIMUM 57 245 PM 72 1908 44 13 46  
MINIMUM 33 726 AM -3 1875 28 5 34  
AVERAGE 45 36 9 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 1.02 1897 0.08 0.03 0.00  
1959  
MONTH TO DATE 1.71 1.33 0.38 1.14  
SINCE DEC 1 1.71 1.33 0.38 1.14  
SINCE JAN 1 49.64 40.53 9.11 31.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1897 0.1 -0.1 0.0  
MONTH TO DATE 0.4 1.4 -1.0 0.0  
SINCE DEC 1 0.4 1.4 -1.0 0.0  
SINCE JUL 1 3.6 2.3 1.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 29 -9 25  
MONTH TO DATE 453 455 -2 324  
SINCE DEC 1 453 455 -2 324  
SINCE JUL 1 987 1277 -290 976  
 
COOLING  
YESTERDAY 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 (130)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 1100 PM  
LOWEST 31 100 PM  
AVERAGE 54  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 69 1877  
1939  
MINIMUM TEMPERATURE (F) 28 -4 1884  
1983  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 715 AM CST SUNSET 442 PM CST  
DECEMBER 19 2024......SUNRISE 715 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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