666  
CDUS43 KLSX 080726  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
226 AM CDT MON SEP 08 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 7 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 73 357 PM 101 1939 84 -11 75  
MINIMUM 50 547 AM 46 1956 64 -14 54  
AVERAGE 62 74 -12 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.52 1972 0.11 -0.11 0.00  
MONTH TO DATE 0.17 0.74 -0.57 0.00  
SINCE SEP 1 0.17 0.74 -0.57 0.00  
SINCE JAN 1 32.26 30.41 1.85 31.68  
 
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 3 0 3 0  
MONTH TO DATE 3 0 3 0  
SINCE SEP 1 3 0 3 0  
SINCE JUL 1 3 1 2 0  
 
COOLING  
YESTERDAY 0 9 -9 0  
MONTH TO DATE 30 71 -41 59  
SINCE SEP 1 30 71 -41 59  
SINCE JAN 1 1551 1521 30 1767    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 600 AM  
LOWEST 31 200 PM  
AVERAGE 57  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 101 1947  
MINIMUM TEMPERATURE (F) 64 42 1986  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2025.....SUNRISE 637 AM CDT SUNSET 720 PM CDT  
SEPTEMBER 9 2025.....SUNRISE 638 AM CDT SUNSET 719 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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