309  
CDUS43 KLSX 162227  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
526 PM CDT MON SEP 16 2019  
 
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 16 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1874 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 95 330 PM 98 1954 80 15 91  
1927  
MINIMUM 73 601 AM 44 1966 61 12 68  
AVERAGE 84 70 14 80  
 
PRECIPITATION (IN)  
TODAY 0.00 2.78 1969 0.10 -0.10 0.00  
MONTH TO DATE 0.80 1.65 -0.85 1.60  
SINCE SEP 1 0.80 1.65 -0.85 1.60  
SINCE JAN 1 43.86 29.40 14.46 32.28  
 
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 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 0  
SINCE SEP 1 0 5 -5 0  
SINCE JUL 1 0 6 -6 0  
 
COOLING  
TODAY 19 6 13 15  
MONTH TO DATE 218 141 77 194  
SINCE SEP 1 218 141 77 194  
SINCE JAN 1 1677 1540 137 1950    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 500 AM  
LOWEST 43 200 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 1931  
MINIMUM TEMPERATURE (F) 60 37 1937  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2019.....SUNRISE 644 AM CDT SUNSET 708 PM CDT  
SEPTEMBER 17 2019.....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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