390  
CDUS43 KLSX 110735  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
235 AM CDT WED SEP 11 2024  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 10 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 85 159 PM 98 1933 83 2 85  
1983  
2013  
MINIMUM 54 608 AM 46 1976 63 -9 60  
AVERAGE 70 73 -3 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.89 1984 0.10 -0.10 0.00  
MONTH TO DATE 0.00 1.05 -1.05 0.25  
SINCE SEP 1 0.00 1.05 -1.05 0.25  
SINCE JAN 1 31.68 30.72 0.96 25.25  
 
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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 5 8 -3 8  
MONTH TO DATE 67 97 -30 111  
SINCE SEP 1 67 97 -30 111  
SINCE JAN 1 1775 1547 228 1681    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 700 AM  
LOWEST 25 200 PM  
AVERAGE 48  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 98 2013  
MINIMUM TEMPERATURE (F) 63 42 1940  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2024.....SUNRISE 640 AM CDT SUNSET 715 PM CDT  
SEPTEMBER 12 2024.....SUNRISE 641 AM CDT SUNSET 714 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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