214  
CDUS43 KLSX 012135  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
435 PM CDT FRI SEP 01 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 1 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 84 259 PM 104 1984 86 -2 86  
2011  
MINIMUM 59 553 AM 49 1949 66 -7 66  
1967  
AVERAGE 72 76 -4 76  
 
PRECIPITATION (IN)  
TODAY 0.00 4.70 1931 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.10 -0.10 0.00  
SINCE SEP 1 0.00 0.10 -0.10 0.00  
SINCE JAN 1 25.00 29.77 -4.77 39.12  
 
SNOWFALL (IN)  
TODAY MM 0.0 2015 0.0 MM 0.0  
MONTH TO DATE MM 0.0 MM 0.0  
SINCE SEP 1 MM 0.0 MM 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
TODAY 7 11 -4 11  
MONTH TO DATE 7 11 -4 11  
SINCE SEP 1 7 11 -4 11  
SINCE JAN 1 1577 1461 116 1705    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 500 AM  
LOWEST 40 300 PM  
AVERAGE 61  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 101 1953  
2011  
MINIMUM TEMPERATURE (F) 66 50 1949  
1965  
1967  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2023.....SUNRISE 630 AM CDT SUNSET 732 PM CDT  
SEPTEMBER 2 2023.....SUNRISE 631 AM CDT SUNSET 730 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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