752  
CDUS43 KLSX 180727  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
227 AM CDT WED OCT 18 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 17 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 70 242 PM 91 2016 69 1 50  
MINIMUM 43 537 AM 29 1943 49 -6 37  
AVERAGE 57 59 -2 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.48 1963 0.10 -0.10 0.00  
MONTH TO DATE 0.82 1.61 -0.79 0.30  
SINCE SEP 1 3.49 4.57 -1.08 2.03  
SINCE JAN 1 28.49 34.24 -5.75 41.15  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2015 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 7 1 21  
MONTH TO DATE 76 88 -12 91  
SINCE SEP 1 76 120 -44 120  
SINCE JUL 1 76 121 -45 120  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 53 37 16 11  
SINCE SEP 1 337 249 88 242  
SINCE JAN 1 1907 1699 208 1936    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 300 AM  
LOWEST 34 300 PM  
AVERAGE 60  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 1953  
MINIMUM TEMPERATURE (F) 48 27 1976  
 
SUNRISE AND SUNSET  
OCTOBER 18 2023.......SUNRISE 714 AM CDT SUNSET 619 PM CDT  
OCTOBER 19 2023.......SUNRISE 715 AM CDT SUNSET 618 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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