814  
CDUS43 KLSX 162126  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
426 PM CDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 16 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 150 PM 98 1927 81 -3 87  
1954  
MINIMUM 59 532 AM 44 1966 61 -2 64  
AVERAGE 69 71 -2 76  
 
PRECIPITATION (IN)  
TODAY 0.00 2.78 1969 0.09 -0.09 0.00  
MONTH TO DATE 0.23 1.67 -1.44 1.53  
SINCE SEP 1 0.23 1.67 -1.44 1.53  
SINCE JAN 1 25.23 31.34 -6.11 40.65  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE SEP 1 0 4 -4 0  
SINCE JUL 1 0 5 -5 0  
 
COOLING  
TODAY 4 7 -3 11  
MONTH TO DATE 142 142 0 131  
SINCE SEP 1 142 142 0 131  
SINCE JAN 1 1712 1592 120 1825    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 500 AM  
LOWEST 46 1000 AM  
AVERAGE 61  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1931  
MINIMUM TEMPERATURE (F) 60 37 1937  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 644 AM CDT SUNSET 708 PM CDT  
SEPTEMBER 17 2023.....SUNRISE 645 AM CDT SUNSET 707 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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