956  
CDUS43 KLSX 300727  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
227 AM CDT WED SEP 30 2026  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 29 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 317 PM 102 1953 76 8 88  
MINIMUM 55 605 AM 36 1942 56 -1 60  
AVERAGE 70 66 4 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.64 1906 0.08 -0.08 0.00  
MONTH TO DATE 1.38 2.87 -1.49 0.74  
SINCE SEP 1 1.38 2.87 -1.49 0.74  
SINCE JAN 1 37.64 32.54 5.10 32.83  
 
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 3 27 -24 4  
SINCE SEP 1 3 27 -24 4  
SINCE JUL 1 3 28 -25 4  
 
COOLING  
YESTERDAY 5 4 1 9  
MONTH TO DATE 396 209 187 258  
SINCE SEP 1 396 209 187 258  
SINCE JAN 1 1964 1659 305 1779    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 700 AM  
LOWEST 29 100 PM  
AVERAGE 53  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 1952  
MINIMUM TEMPERATURE (F) 55 36 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2026.....SUNRISE 657 AM CDT SUNSET 646 PM CDT  
OCTOBER 1 2026.......SUNRISE 657 AM CDT SUNSET 644 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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