673  
CDUS43 KLSX 172126  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
426 PM CDT TUE SEP 17 2024  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 17 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 90 228 PM 97 1931 81 9 80  
MINIMUM 64 541 AM 37 1937 60 4 57  
AVERAGE 77 71 6 69  
 
PRECIPITATION (IN)  
TODAY 0.00 2.25 1968 0.09 -0.09 0.00  
MONTH TO DATE 0.08 1.76 -1.68 0.32  
SINCE SEP 1 0.08 1.76 -1.68 0.32  
SINCE JAN 1 31.76 31.43 0.33 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 1 -1 0  
MONTH TO DATE 3 5 -2 0  
SINCE SEP 1 3 5 -2 0  
SINCE JUL 1 3 6 -3 0  
 
COOLING  
TODAY 12 7 5 4  
MONTH TO DATE 146 149 -3 146  
SINCE SEP 1 146 149 -3 146  
SINCE JAN 1 1854 1599 255 1716    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1200 AM  
LOWEST 29 300 PM  
AVERAGE 54  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 1925  
MINIMUM TEMPERATURE (F) 60 42 1973  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2024.....SUNRISE 645 AM CDT SUNSET 706 PM CDT  
SEPTEMBER 18 2024.....SUNRISE 646 AM CDT SUNSET 704 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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