515  
CDUS43 KLSX 122135  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
435 PM CDT THU SEP 12 2024  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 12 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 83 259 PM 98 1897 83 0 80  
1936  
1956  
MINIMUM 62 534 AM 44 1940 62 0 60  
AVERAGE 73 72 1 70  
 
PRECIPITATION (IN)  
TODAY 0.00 2.10 1949 0.11 -0.11 0.05  
MONTH TO DATE 0.00 1.27 -1.27 0.32  
SINCE SEP 1 0.00 1.27 -1.27 0.32  
SINCE JAN 1 31.68 30.94 0.74 25.32  
 
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 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  
TODAY 0 0 0 0  
MONTH TO DATE 3 0 3 0  
SINCE SEP 1 3 0 3 0  
SINCE JUL 1 3 1 2 0  
 
COOLING  
TODAY 8 8 0 5  
MONTH TO DATE 85 113 -28 125  
SINCE SEP 1 85 113 -28 125  
SINCE JAN 1 1793 1563 230 1695    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 500 AM  
LOWEST 38 1200 PM  
AVERAGE 53  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1939  
MINIMUM TEMPERATURE (F) 62 43 1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2024.....SUNRISE 641 AM CDT SUNSET 714 PM CDT  
SEPTEMBER 13 2024.....SUNRISE 642 AM CDT SUNSET 712 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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