160  
CDUS43 KLSX 202234  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
534 PM CDT SUN AUG 20 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 20 2023
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 100 443 PM 104 1962 88 12 90  
MINIMUM 75 721 AM 52 1950 69 6 75  
AVERAGE 88 78 10 83  
 
PRECIPITATION (IN)  
TODAY 0.00 6.85 1915 0.11 -0.11 T  
MONTH TO DATE 3.08 2.28 0.80 5.26  
SINCE JUN 1 10.91 10.70 0.21 19.27  
SINCE JAN 1 24.48 28.57 -4.09 38.60  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 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  
TODAY 23 14 9 18  
MONTH TO DATE 271 292 -21 313  
SINCE JUN 1 1162 1119 43 1307  
SINCE JAN 1 1383 1314 69 1542    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 700 AM  
LOWEST 49 100 PM  
AVERAGE 67  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 104 2003  
MINIMUM TEMPERATURE (F) 69 50 1940  
1950  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 620 AM CDT SUNSET 749 PM CDT  
AUGUST 21 2023........SUNRISE 621 AM CDT SUNSET 748 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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