876  
CDUS43 KLSX 242130  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
430 PM CDT WED SEP 24 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 24 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 100 PM 94 1881 78 -1 73  
1891  
MINIMUM 67 MM 37 1942 58 9 60  
AVERAGE 72 68 4 67  
 
PRECIPITATION (IN)  
TODAY T 2.57 1941 0.09 -0.09 0.17  
MONTH TO DATE 0.73 2.41 -1.68 4.86  
SINCE SEP 1 0.73 2.41 -1.68 4.86  
SINCE JAN 1 32.82 32.08 0.74 36.54  
 
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 2 -2 0  
MONTH TO DATE 4 15 -11 3  
SINCE SEP 1 4 15 -11 3  
SINCE JUL 1 4 16 -12 3  
 
COOLING  
TODAY 7 5 2 2  
MONTH TO DATE 227 188 39 231  
SINCE SEP 1 227 188 39 231  
SINCE JAN 1 1748 1638 110 1939    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 64 100 PM  
AVERAGE 81  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 1881  
1900  
2017  
MINIMUM TEMPERATURE (F) 57 39 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2025.....SUNRISE 651 AM CDT SUNSET 655 PM CDT  
SEPTEMBER 25 2025.....SUNRISE 652 AM CDT SUNSET 653 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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