825  
CDUS43 KLSX 192127  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
427 PM CDT THU SEP 19 2024  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 19 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 92 257 PM 96 1925 80 12 88  
1931  
1955  
MINIMUM 65 541 AM 42 1938 60 5 63  
AVERAGE 79 70 9 76  
 
PRECIPITATION (IN)  
TODAY 0.00 1.82 1954 0.09 -0.09 0.00  
MONTH TO DATE 0.08 1.95 -1.87 0.32  
SINCE SEP 1 0.08 1.95 -1.87 0.32  
SINCE JAN 1 31.76 31.62 0.14 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 7 -4 0  
SINCE SEP 1 3 7 -4 0  
SINCE JUL 1 3 8 -5 0  
 
COOLING  
TODAY 14 6 8 11  
MONTH TO DATE 172 161 11 161  
SINCE SEP 1 172 161 11 161  
SINCE JAN 1 1880 1611 269 1731    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 600 AM  
LOWEST 35 300 PM  
AVERAGE 54  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 2017  
2022  
MINIMUM TEMPERATURE (F) 59 40 1875  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2024.....SUNRISE 647 AM CDT SUNSET 702 PM CDT  
SEPTEMBER 20 2024.....SUNRISE 648 AM CDT SUNSET 701 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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