188  
CDUS43 KLSX 140726  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
226 AM CDT THU SEP 14 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 13 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 84 333 PM 100 1939 82 2 82  
MINIMUM 56 558 AM 43 1975 62 -6 55  
AVERAGE 70 72 -2 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.61 1945 0.10 -0.10 0.00  
MONTH TO DATE 0.23 1.37 -1.14 1.53  
SINCE SEP 1 0.23 1.37 -1.14 1.53  
SINCE JAN 1 25.23 31.04 -5.81 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 1 -1 0  
MONTH TO DATE 0 1 -1 0  
SINCE SEP 1 0 1 -1 0  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
YESTERDAY 5 8 -3 4  
MONTH TO DATE 130 121 9 105  
SINCE SEP 1 130 121 9 105  
SINCE JAN 1 1700 1571 129 1799    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 400 AM  
LOWEST 28 300 PM  
AVERAGE 58  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 101 1939  
MINIMUM TEMPERATURE (F) 62 46 1949  
1974  
1996  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2023.....SUNRISE 642 AM CDT SUNSET 712 PM CDT  
SEPTEMBER 15 2023.....SUNRISE 643 AM CDT SUNSET 710 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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