447  
CDUS43 KLSX 212229  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
528 PM CDT FRI SEP 21 2018  
 
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 21 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1890 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 1225 PM 100 1893 77 3 91  
MINIMUM 68 359 PM 35 1983 54 14 72  
1897  
AVERAGE 74 65 9 82  
 
PRECIPITATION (IN)  
TODAY 0.00 3.57 1945 0.13 -0.13 0.00  
MONTH TO DATE 2.00 2.68 -0.68 1.92  
SINCE SEP 1 2.00 2.68 -0.68 1.92  
SINCE JAN 1 21.73 32.43 -10.70 33.03  
 
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 0  
MONTH TO DATE 0 25 -25 8  
SINCE SEP 1 0 25 -25 8  
SINCE JUL 1 0 27 -27 11  
 
COOLING  
TODAY 9 3 6 17  
MONTH TO DATE 243 122 121 141  
SINCE SEP 1 243 122 121 141  
SINCE JAN 1 1859 1205 654 1255    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 12.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 500 AM  
LOWEST 43 200 PM  
AVERAGE 64  
   
......................................................
 
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 97 1937  
MINIMUM TEMPERATURE (F) 53 33 1995  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2018.....SUNRISE 656 AM CDT SUNSET 707 PM CDT  
SEPTEMBER 22 2018.....SUNRISE 657 AM CDT SUNSET 706 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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