575  
CDUS43 KLSX 040728  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
228 AM CDT SAT OCT 04 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 3 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 89 207 PM 94 2006 75 14 82  
MINIMUM 69 619 AM 31 1974 54 15 53  
AVERAGE 79 64 15 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.67 1986 0.09 -0.09 0.00  
MONTH TO DATE 0.00 0.27 -0.27 0.00  
SINCE SEP 1 0.74 3.23 -2.49 5.75  
SINCE JAN 1 32.83 32.90 -0.07 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 4 -4 0  
MONTH TO DATE 0 11 -11 3  
SINCE SEP 1 4 43 -39 6  
SINCE JUL 1 4 44 -40 6  
 
COOLING  
YESTERDAY 14 3 11 3  
MONTH TO DATE 36 10 26 3  
SINCE SEP 1 305 222 83 271  
SINCE JAN 1 1826 1672 154 1979    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 300 AM  
LOWEST 36 500 PM  
AVERAGE 55  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 1951  
MINIMUM TEMPERATURE (F) 54 36 1935  
 
SUNRISE AND SUNSET  
OCTOBER 4 2025.......SUNRISE 701 AM CDT SUNSET 639 PM CDT  
OCTOBER 5 2025.......SUNRISE 701 AM CDT SUNSET 637 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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