256  
CDUS43 KLSX 062133  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
433 PM CDT SAT SEP 06 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 6 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 77 244 PM 102 1899 84 -7 84  
1925  
MINIMUM 51 509 AM 48 1962 65 -14 63  
AVERAGE 64 74 -10 74  
 
PRECIPITATION (IN)  
TODAY 0.00 2.81 1876 0.11 -0.11 0.00  
MONTH TO DATE 0.17 0.63 -0.46 0.00  
SINCE SEP 1 0.17 0.63 -0.46 0.00  
SINCE JAN 1 32.26 30.30 1.96 31.68  
 
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 1 0 1 0  
MONTH TO DATE 1 0 1 0  
SINCE SEP 1 1 0 1 0  
SINCE JUL 1 1 1 0 0  
 
COOLING  
TODAY 0 10 -10 9  
MONTH TO DATE 30 62 -32 59  
SINCE SEP 1 30 62 -32 59  
SINCE JAN 1 1551 1512 39 1767    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 31 100 PM  
AVERAGE 59  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 101 1939  
MINIMUM TEMPERATURE (F) 64 46 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2025.....SUNRISE 635 AM CDT SUNSET 723 PM CDT  
SEPTEMBER 7 2025.....SUNRISE 636 AM CDT SUNSET 722 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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