916  
CDUS43 KLSX 202237  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
435 PM CST TUE FEB 20 2018  
 
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR FEBRUARY 20 2018
 
 
VALID TODAY AS OF 0400 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 67 951 AM 77 2017 46 21 77  
MINIMUM 35 359 PM 0 1929 26 9 58  
AVERAGE 51 36 15 68  
 
PRECIPITATION (IN)  
TODAY 0.88 1.82 1997 0.09 0.79 0.04  
MONTH TO DATE 1.55 1.56 -0.01 0.05  
SINCE DEC 1 4.00 5.92 -1.92 2.07  
SINCE JAN 1 3.77 3.48 0.29 1.06  
 
SNOWFALL (IN)  
TODAY 0.0 4.9 1919 0.1 -0.1 0.0  
MONTH TO DATE 0.5 3.6 -3.1 0.0  
SINCE DEC 1 3.2 14.1 -10.9 1.6  
SINCE JUL 1 3.2 15.0 -11.8 1.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 14 29 -15 0  
MONTH TO DATE 624 637 -13 420  
SINCE DEC 1 2681 2741 -60 2344  
SINCE JUL 1 3461 3726 -265 2927  
 
COOLING  
TODAY 0 0 0 3  
MONTH TO DATE 0 0 0 3  
SINCE DEC 1 0 0 0 3  
SINCE JAN 1 0 0 0 3    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 14.8  
 
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 PM  
LOWEST 78 500 AM  
AVERAGE 89  
   
......................................................
 
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 76 1935  
MINIMUM TEMPERATURE (F) 27 2 1939  
 
 
SUNRISE AND SUNSET  
FEBRUARY 20 2018......SUNRISE 654 AM CST SUNSET 552 PM CST  
FEBRUARY 21 2018......SUNRISE 652 AM CST SUNSET 553 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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