991  
CDUS43 KLSX 130730  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
230 AM CDT WED SEP 13 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 12 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 326 PM 98 1897 83 -3 79  
1936  
1956  
MINIMUM 60 1159 PM 44 1940 62 -2 56  
AVERAGE 70 72 -2 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 2.10 1949 0.11 -0.06 0.00  
MONTH TO DATE 0.23 1.27 -1.04 1.53  
SINCE SEP 1 0.23 1.27 -1.04 1.53  
SINCE JAN 1 25.23 30.94 -5.71 40.65  
 
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 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 5 8 -3 3  
MONTH TO DATE 125 113 12 101  
SINCE SEP 1 125 113 12 101  
SINCE JAN 1 1695 1563 132 1795    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 200 AM  
LOWEST 37 400 PM  
AVERAGE 64  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1939  
MINIMUM TEMPERATURE (F) 62 43 1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2023.....SUNRISE 641 AM CDT SUNSET 713 PM CDT  
SEPTEMBER 14 2023.....SUNRISE 642 AM CDT SUNSET 712 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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