434  
CDUS43 KLSX 120831  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
231 AM CST THU DEC 12 2024  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 11 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 41 125 PM 70 1949 46 -5 52  
1979  
MINIMUM 25 1153 PM 2 1917 30 -5 28  
1962  
AVERAGE 33 38 -5 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 1949 0.07 -0.07 0.00  
MONTH TO DATE 0.20 0.87 -0.67 0.82  
SINCE DEC 1 0.20 0.87 -0.67 0.82  
SINCE JAN 1 48.13 40.07 8.06 31.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 1963 0.1 -0.1 0.0  
MONTH TO DATE 0.4 0.9 -0.5 0.0  
SINCE DEC 1 0.4 0.9 -0.5 0.0  
SINCE JUL 1 3.6 1.8 1.8 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 27 5 25  
MONTH TO DATE 311 285 26 203  
SINCE DEC 1 311 285 26 203  
SINCE JUL 1 845 1107 -262 855  
 
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 30 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 300 AM  
LOWEST 29 700 PM  
AVERAGE 49  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 72 2015  
MINIMUM TEMPERATURE (F) 29 -5 1962  
 
SUNRISE AND SUNSET  
DECEMBER 12 2024......SUNRISE 711 AM CST SUNSET 440 PM CST  
DECEMBER 13 2024......SUNRISE 711 AM CST SUNSET 441 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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