750  
CDUS43 KLSX 130831  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
231 AM CST WED DEC 13 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 12 2023
 
 
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)  
YESTERDAY  
MAXIMUM 51 400 PM 72 2015 45 6 43  
MINIMUM 31 438 AM -5 1962 29 2 35  
AVERAGE 41 37 4 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.31 1972 0.08 -0.08 0.00  
MONTH TO DATE 0.82 0.95 -0.13 0.25  
SINCE DEC 1 0.82 0.95 -0.13 0.25  
SINCE JAN 1 31.67 40.15 -8.48 47.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.4 2010 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.9 -0.9 0.0  
SINCE DEC 1 0.0 0.9 -0.9 0.0  
SINCE JUL 1 0.0 1.8 -1.8 0.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 28 -4 26  
MONTH TO DATE 227 313 -86 273  
SINCE DEC 1 227 313 -86 273  
SINCE JUL 1 879 1135 -256 1066  
 
COOLING  
YESTERDAY 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 12 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 800 AM  
LOWEST 35 200 PM  
AVERAGE 50  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 73 1948  
MINIMUM TEMPERATURE (F) 29 1 1903  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 711 AM CST SUNSET 440 PM CST  
DECEMBER 14 2023......SUNRISE 712 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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