274  
CDUS43 KLSX 200731  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
130 AM CST THU DEC 20 2018  
 
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR DECEMBER 19 2018
 
 
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)  
YESTERDAY  
MAXIMUM 56 204 PM 75 1889 40 16 54  
MINIMUM 37 758 AM -16 1901 23 14 34  
AVERAGE 47 31 16 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.45 1895 0.07 -0.07 0.00  
MONTH TO DATE 1.30 1.60 -0.30 0.12  
SINCE DEC 1 1.30 1.60 -0.30 0.12  
SINCE JAN 1 31.78 41.78 RRRRR 37.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.7 1973 0.2 -0.2 0.0  
MONTH TO DATE 0.4 2.4 -2.0 T  
SINCE DEC 1 0.4 2.4 -2.0 T  
SINCE JUL 1 5.0 3.3 1.7 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 34 -16 21  
MONTH TO DATE 522 593 -71 473  
SINCE DEC 1 522 593 -71 473  
SINCE JUL 1 1671 1578 93 1253  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1950 1249 701 1401    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.3  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 53  
AVERAGE 77  
   
......................................................
 
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 69 1949  
MINIMUM TEMPERATURE (F) 22 -23 1901  
 
 
SUNRISE AND SUNSET  
DECEMBER 20 2018......SUNRISE 723 AM CST SUNSET 450 PM CST  
DECEMBER 21 2018......SUNRISE 724 AM CST SUNSET 450 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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