056  
CDUS43 KLSX 120737  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
237 AM CDT SAT SEP 12 2026  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 11 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 83 410 PM 98 2013 83 0 90  
MINIMUM 69 523 AM 42 1940 63 6 64  
AVERAGE 76 73 3 77  
 
PRECIPITATION (IN)  
YESTERDAY T 1.28 1944 0.11 -0.11 0.00  
MONTH TO DATE 0.25 1.16 -0.91 0.17  
SINCE SEP 1 0.25 1.16 -0.91 0.17  
SINCE JAN 1 36.51 30.83 5.68 32.26  
 
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 0 0 0  
MONTH TO DATE 0 0 0 4  
SINCE SEP 1 0 0 0 4  
SINCE JUL 1 0 1 -1 4  
 
COOLING  
YESTERDAY 11 8 3 12  
MONTH TO DATE 211 105 106 55  
SINCE SEP 1 211 105 106 55  
SINCE JAN 1 1779 1555 224 1576    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 57 200 PM  
AVERAGE 77  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 98 1897  
1936  
1956  
MINIMUM TEMPERATURE (F) 62 44 1940  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2026.....SUNRISE 640 AM CDT SUNSET 714 PM CDT  
SEPTEMBER 13 2026.....SUNRISE 641 AM CDT SUNSET 713 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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