770  
CDUS43 KLSX 170829  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
229 AM CST TUE DEC 17 2024  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 16 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 67 148 PM 71 2021 44 23 54  
MINIMUM 39 1122 PM -8 1989 28 11 42  
AVERAGE 53 36 17 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.16 2001 0.07 -0.02 0.32  
MONTH TO DATE 1.60 1.25 0.35 1.14  
SINCE DEC 1 1.60 1.25 0.35 1.14  
SINCE JAN 1 49.53 40.45 9.08 31.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.4 2019 0.1 -0.1 0.0  
MONTH TO DATE 0.4 1.3 -0.9 0.0  
SINCE DEC 1 0.4 1.3 -0.9 0.0  
SINCE JUL 1 3.6 2.2 1.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 29 -17 17  
MONTH TO DATE 433 426 7 299  
SINCE DEC 1 433 426 7 299  
SINCE JUL 1 967 1248 -281 951  
 
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 23 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 300 AM  
LOWEST 44 300 PM  
AVERAGE 67  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 72 1908  
MINIMUM TEMPERATURE (F) 28 -3 1875  
 
SUNRISE AND SUNSET  
DECEMBER 17 2024......SUNRISE 714 AM CST SUNSET 442 PM CST  
DECEMBER 18 2024......SUNRISE 715 AM CST SUNSET 442 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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