664  
CDUS43 KLSX 170733  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
233 AM CDT THU AUG 17 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 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 84 153 PM 103 1936 89 -5 81  
MINIMUM 62 531 AM 56 1964 70 -8 68  
1992  
AVERAGE 73 79 -6 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.35 1946 0.10 -0.10 0.41  
MONTH TO DATE 3.05 1.84 1.21 5.26  
SINCE JUN 1 10.88 10.26 0.62 19.27  
SINCE JAN 1 24.45 28.13 -3.68 38.60  
 
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 JUN 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 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 4 -4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 8 14 -6 10  
MONTH TO DATE 214 236 -22 261  
SINCE JUN 1 1105 1063 42 1255  
SINCE JAN 1 1326 1258 68 1490    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 400 AM  
LOWEST 38 100 PM  
AVERAGE 64  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 104 1936  
MINIMUM TEMPERATURE (F) 70 55 1879  
 
SUNRISE AND SUNSET  
AUGUST 17 2023........SUNRISE 617 AM CDT SUNSET 754 PM CDT  
AUGUST 18 2023........SUNRISE 618 AM CDT SUNSET 752 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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