597  
CDUS43 KLSX 100827  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
227 AM CST TUE DEC 10 2024  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 9 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 1147 AM 74 1918 46 11 63  
MINIMUM 42 1159 PM -5 1876 30 12 40  
AVERAGE 50 38 12 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.80 1999 0.07 -0.06 0.01  
MONTH TO DATE 0.20 0.72 -0.52 0.82  
SINCE DEC 1 0.20 0.72 -0.52 0.82  
SINCE JAN 1 48.13 39.92 8.21 31.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1944 0.1 -0.1 0.0  
MONTH TO DATE 0.4 0.7 -0.3 0.0  
SINCE DEC 1 0.4 0.7 -0.3 0.0  
SINCE JUL 1 3.6 1.6 2.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 27 -12 13  
MONTH TO DATE 253 231 22 151  
SINCE DEC 1 253 231 22 151  
SINCE JUL 1 787 1053 -266 803  
 
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 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1200 AM  
LOWEST 55 300 PM  
AVERAGE 71  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 73 1889  
MINIMUM TEMPERATURE (F) 30 -4 1917  
 
SUNRISE AND SUNSET  
DECEMBER 10 2024......SUNRISE 709 AM CST SUNSET 440 PM CST  
DECEMBER 11 2024......SUNRISE 710 AM CST SUNSET 440 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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