260  
CDUS43 KLSX 202125  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
425 PM CDT FRI SEP 20 2024  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 20 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 96 257 PM 97 2017 80 16 76  
2022  
MINIMUM 75 433 AM 40 1875 59 16 64  
AVERAGE 86 70 16 70  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 1876 0.09 -0.09 0.03  
MONTH TO DATE 0.08 2.04 -1.96 0.35  
SINCE SEP 1 0.08 2.04 -1.96 0.35  
SINCE JAN 1 31.76 31.71 0.05 25.35  
 
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 3 8 -5 0  
SINCE SEP 1 3 8 -5 0  
SINCE JUL 1 3 9 -6 0  
 
COOLING  
TODAY 21 6 15 5  
MONTH TO DATE 193 167 26 166  
SINCE SEP 1 193 167 26 166  
SINCE JAN 1 1901 1617 284 1736    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 400 AM  
LOWEST 45 300 PM  
AVERAGE 57  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 97 1881  
MINIMUM TEMPERATURE (F) 59 40 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2024.....SUNRISE 648 AM CDT SUNSET 701 PM CDT  
SEPTEMBER 21 2024.....SUNRISE 649 AM CDT SUNSET 659 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MO Page
The Nexlab IL Page Main Text Page