402  
CDUS43 KLSX 260728  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
228 AM CDT SAT SEP 26 2026  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 25 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 72 429 PM 92 1881 78 -6 78  
1900  
2017  
MINIMUM 59 601 AM 39 1942 57 2 59  
AVERAGE 66 68 -2 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.36 1886 0.09 -0.09 0.00  
MONTH TO DATE 1.31 2.50 -1.19 0.74  
SINCE SEP 1 1.31 2.50 -1.19 0.74  
SINCE JAN 1 37.57 32.17 5.40 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 2 -2 0  
MONTH TO DATE 2 17 -15 4  
SINCE SEP 1 2 17 -15 4  
SINCE JUL 1 2 18 -16 4  
 
COOLING  
YESTERDAY 1 5 -4 4  
MONTH TO DATE 385 193 192 231  
SINCE SEP 1 385 193 192 231  
SINCE JAN 1 1953 1643 310 1752    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 500 AM  
LOWEST 63 500 PM  
AVERAGE 80  
   
......................................................  
 
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 2026.....SUNRISE 653 AM CDT SUNSET 652 PM CDT  
SEPTEMBER 27 2026.....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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