873  
CDUS43 KLSX 210726  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
226 AM CDT SAT SEP 21 2024  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 20 2024  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 96 408 PM 97 2017 80 16 76  
2022  
MINIMUM 75 433 AM 40 1875 59 16 64  
AVERAGE 86 70 16 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 1876 0.09 -0.09 0.03  
MONTH TO DATE 0.08 2.04 -1.96 0.35  
SINCE SEP 1 0.08 2.04 -1.96 0.35  
SINCE JAN 1 31.76 31.71 0.05 25.35  
 
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 0 1 -1 0  
MONTH TO DATE 3 8 -5 0  
SINCE SEP 1 3 8 -5 0  
SINCE JUL 1 3 9 -6 0  
 
COOLING  
YESTERDAY 21 6 15 5  
MONTH TO DATE 193 167 26 166  
SINCE SEP 1 193 167 26 166  
SINCE JAN 1 1901 1617 284 1736    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 1100 PM  
LOWEST 45 300 PM  
AVERAGE 57  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 97 1881  
MINIMUM TEMPERATURE (F) 59 40 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 649 AM CDT SUNSET 659 PM CDT  
SEPTEMBER 22 2024.....SUNRISE 650 AM CDT SUNSET 658 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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