587  
CDUS43 KLSX 170727  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
227 AM CDT TUE OCT 17 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 16 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 65 246 PM 89 1950 69 -4 70  
MINIMUM 42 631 AM 32 1943 49 -7 47  
AVERAGE 54 59 -5 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.41 1914 0.10 -0.10 0.00  
MONTH TO DATE 0.82 1.51 -0.69 0.30  
SINCE SEP 1 3.49 4.47 -0.98 2.03  
SINCE JAN 1 28.49 34.14 -5.65 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 11 7 4 6  
MONTH TO DATE 68 81 -13 70  
SINCE SEP 1 68 113 -45 99  
SINCE JUL 1 68 114 -46 99  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 53 36 17 11  
SINCE SEP 1 337 248 89 242  
SINCE JAN 1 1907 1698 209 1936    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 600 AM  
LOWEST 45 300 PM  
AVERAGE 65  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 2016  
MINIMUM TEMPERATURE (F) 49 29 1943  
 
SUNRISE AND SUNSET  
OCTOBER 17 2023.......SUNRISE 713 AM CDT SUNSET 621 PM CDT  
OCTOBER 18 2023.......SUNRISE 714 AM CDT SUNSET 619 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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