430  
CDUS43 KLSX 282129  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
429 PM CDT THU SEP 28 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 28 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 83 252 PM 97 1953 77 6 67  
MINIMUM 64 604 AM 32 1942 56 8 45  
AVERAGE 74 66 8 56  
 
PRECIPITATION (IN)  
TODAY 0.00 3.73 1919 0.10 -0.10 0.00  
MONTH TO DATE 2.58 2.79 -0.21 1.73  
SINCE SEP 1 2.58 2.79 -0.21 1.73  
SINCE JAN 1 27.58 32.46 -4.88 40.85  
 
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 3 -3 9  
MONTH TO DATE 0 24 -24 19  
SINCE SEP 1 0 24 -24 19  
SINCE JUL 1 0 25 -25 19  
 
COOLING  
TODAY 9 4 5 0  
MONTH TO DATE 258 205 53 231  
SINCE SEP 1 258 205 53 231  
SINCE JAN 1 1828 1655 173 1925    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 1.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 200 AM  
LOWEST 43 200 PM  
AVERAGE 65  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 102 1953  
MINIMUM TEMPERATURE (F) 56 36 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2023.....SUNRISE 654 AM CDT SUNSET 649 PM CDT  
SEPTEMBER 29 2023.....SUNRISE 655 AM CDT SUNSET 648 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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