875  
CDUS43 KLSX 240734  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
234 AM CDT MON SEP 24 2018  
 
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 23 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1874 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 340 PM 94 1891 77 3 92  
1881  
MINIMUM 55 446 AM 36 1974 57 -2 69  
AVERAGE 68 67 1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.23 1996 0.10 -0.10 0.00  
MONTH TO DATE 1.65 2.37 -0.72 0.27  
SINCE SEP 1 1.65 2.37 -0.72 0.27  
SINCE JAN 1 32.33 30.12 2.21 30.57  
 
SNOWFALL (IN)  
YESTERDAY 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 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 17 -17 6  
SINCE SEP 1 0 17 -17 6  
SINCE JUL 1 0 18 -18 6  
 
COOLING  
YESTERDAY 3 4 -1 16  
MONTH TO DATE 281 178 103 204  
SINCE SEP 1 281 178 103 204  
SINCE JAN 1 2037 1577 460 1806    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 48 200 PM  
AVERAGE 71  
   
......................................................
 
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1891  
1881  
MINIMUM TEMPERATURE (F) 57 37 1942  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2018.....SUNRISE 651 AM CDT SUNSET 655 PM CDT  
SEPTEMBER 25 2018.....SUNRISE 652 AM CDT SUNSET 654 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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