990  
CDUS43 KLSX 160828  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
228 AM CST SAT DEC 16 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 15 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 63 220 PM 76 1948 45 18 39  
MINIMUM 39 249 AM -5 1901 29 10 35  
AVERAGE 51 37 14 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.76 1992 0.07 -0.07 0.00  
MONTH TO DATE 0.82 1.18 -0.36 1.46  
SINCE DEC 1 0.82 1.18 -0.36 1.46  
SINCE JAN 1 31.67 40.38 -8.71 48.44  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.9 2007 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.2 -1.2 0.0  
SINCE DEC 1 0.0 1.2 -1.2 0.0  
SINCE JUL 1 0.0 2.1 -2.1 0.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 28 -14 28  
MONTH TO DATE 282 397 -115 338  
SINCE DEC 1 282 397 -115 338  
SINCE JUL 1 934 1219 -285 1131  
 
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 16 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 300 AM  
LOWEST 30 300 PM  
AVERAGE 45  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 71 2021  
MINIMUM TEMPERATURE (F) 28 -8 1989  
 
SUNRISE AND SUNSET  
DECEMBER 16 2023......SUNRISE 713 AM CST SUNSET 441 PM CST  
DECEMBER 17 2023......SUNRISE 714 AM CST SUNSET 442 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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