317  
CDUS43 KLSX 150835  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
235 AM CST FRI DEC 15 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 14 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 59 255 PM 70 1975 45 14 58  
MINIMUM 32 703 AM -2 1901 29 3 37  
AVERAGE 46 37 9 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.39 1971 0.08 -0.08 0.44  
MONTH TO DATE 0.82 1.11 -0.29 1.46  
SINCE DEC 1 0.82 1.11 -0.29 1.46  
SINCE JAN 1 31.67 40.31 -8.64 48.44  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.6 1987 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.1 -1.1 0.0  
SINCE DEC 1 0.0 1.1 -1.1 0.0  
SINCE JUL 1 0.0 2.0 -2.0 0.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 28 -9 17  
MONTH TO DATE 268 369 -101 310  
SINCE DEC 1 268 369 -101 310  
SINCE JUL 1 920 1191 -271 1103  
 
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 13 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 700 AM  
LOWEST 34 100 PM  
AVERAGE 50  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 76 1948  
MINIMUM TEMPERATURE (F) 29 -5 1901  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 712 AM CST SUNSET 441 PM CST  
DECEMBER 16 2023......SUNRISE 713 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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