656  
CDUS43 KLSX 260726  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
226 AM CDT FRI SEP 26 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 25 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 78 350 PM 92 1881 78 0 79  
1900  
2017  
MINIMUM 59 536 AM 39 1942 57 2 58  
AVERAGE 69 68 1 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.36 1886 0.09 -0.09 0.00  
MONTH TO DATE 0.74 2.50 -1.76 4.86  
SINCE SEP 1 0.74 2.50 -1.76 4.86  
SINCE JAN 1 32.83 32.17 0.66 36.54  
 
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 2 -2 0  
MONTH TO DATE 4 17 -13 3  
SINCE SEP 1 4 17 -13 3  
SINCE JUL 1 4 18 -14 3  
 
COOLING  
YESTERDAY 4 5 -1 4  
MONTH TO DATE 231 193 38 235  
SINCE SEP 1 231 193 38 235  
SINCE JAN 1 1752 1643 109 1943    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 43 300 PM  
AVERAGE 68  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1897  
MINIMUM TEMPERATURE (F) 57 35 1940  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2025.....SUNRISE 653 AM CDT SUNSET 652 PM CDT  
SEPTEMBER 27 2025.....SUNRISE 654 AM CDT SUNSET 650 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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