804  
CDUS43 KLSX 290736  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
236 AM CDT MON SEP 29 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 28 2025
 
 
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)  
YESTERDAY  
MAXIMUM 88 308 PM 97 1953 77 11 78  
MINIMUM 58 547 AM 32 1942 56 2 66  
AVERAGE 73 66 7 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.73 1919 0.10 -0.10 T  
MONTH TO DATE 0.74 2.79 -2.05 5.75  
SINCE SEP 1 0.74 2.79 -2.05 5.75  
SINCE JAN 1 32.83 32.46 0.37 37.43  
 
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 4 24 -20 3  
SINCE SEP 1 4 24 -20 3  
SINCE JUL 1 4 25 -21 3  
 
COOLING  
YESTERDAY 8 4 4 7  
MONTH TO DATE 249 205 44 249  
SINCE SEP 1 249 205 44 249  
SINCE JAN 1 1770 1655 115 1957    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 500 AM  
LOWEST 30 300 PM  
AVERAGE 59  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 102 1953  
MINIMUM TEMPERATURE (F) 56 36 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2025.....SUNRISE 656 AM CDT SUNSET 647 PM CDT  
SEPTEMBER 30 2025.....SUNRISE 657 AM CDT SUNSET 645 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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