326  
CDUS43 KLSX 092235  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
435 PM CST SAT DEC 09 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 9 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 321 AM 74 1918 46 17 55  
MINIMUM 48 708 AM -5 1876 30 18 37  
AVERAGE 56 38 18 46  
 
PRECIPITATION (IN)  
TODAY 0.01 0.80 1999 0.07 -0.06 0.06  
MONTH TO DATE 0.82 0.72 0.10 0.25  
SINCE DEC 1 0.82 0.72 0.10 0.25  
SINCE JAN 1 31.67 39.92 -8.25 47.23  
 
SNOWFALL (IN)  
TODAY 0.0 2.0 1944 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.7 -0.7 0.0  
SINCE DEC 1 0.0 0.7 -0.7 0.0  
SINCE JUL 1 0.0 1.6 -1.6 0.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 9 27 -18 19  
MONTH TO DATE 147 231 -84 196  
SINCE DEC 1 147 231 -84 196  
SINCE JUL 1 799 1053 -254 989  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1942 1713 229 1977    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 100 AM  
LOWEST 47 300 PM  
AVERAGE 65  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 73 1889  
MINIMUM TEMPERATURE (F) 30 -4 1917  
 
SUNRISE AND SUNSET  
DECEMBER 9 2023......SUNRISE 708 AM CST SUNSET 440 PM CST  
DECEMBER 10 2023......SUNRISE 709 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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