866  
CDUS43 KLSX 212227  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
527 PM CDT SAT SEP 21 2024  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 21 2024  
 
VALID AS OF 0500 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 94 1158 AM 97 1881 79 15 85  
MINIMUM 75 449 AM 40 1983 59 16 62  
AVERAGE 85 69 16 74  
 
PRECIPITATION (IN)  
TODAY 0.00 1.78 1947 0.10 -0.10 0.33  
MONTH TO DATE 0.08 2.14 -2.06 0.68  
SINCE SEP 1 0.08 2.14 -2.06 0.68  
SINCE JAN 1 31.76 31.81 -0.05 25.68  
 
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 9 -6 0  
SINCE SEP 1 3 9 -6 0  
SINCE JUL 1 3 10 -7 0  
 
COOLING  
TODAY 20 6 14 9  
MONTH TO DATE 213 173 40 175  
SINCE SEP 1 213 173 40 175  
SINCE JAN 1 1921 1623 298 1745    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 500 AM  
LOWEST 44 100 PM  
AVERAGE 63  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 95 1956  
2017  
MINIMUM TEMPERATURE (F) 59 40 1974  
1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 649 AM CDT SUNSET 659 PM CDT  
SEPTEMBER 22 2024.....SUNRISE 650 AM CDT SUNSET 658 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