036  
CDUS43 KLSX 210739  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
138 AM CST FRI DEC 21 2018  
 
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR DECEMBER 20 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 48 117 AM 69 1949 40 8 51  
MINIMUM 36 1159 PM -23 1901 22 14 32  
AVERAGE 42 31 11 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.01 1991 0.07 -0.06 0.00  
MONTH TO DATE 1.31 1.67 -0.36 0.12  
SINCE DEC 1 1.31 1.67 -0.36 0.12  
SINCE JAN 1 31.79 41.85 -10.06 37.52  
 
SNOWFALL (IN)  
YESTERDAY MM 2.0 1960 0.1 MM 0.0  
MONTH TO DATE 0.4 2.5 -2.1 T  
SINCE DEC 1 0.4 2.5 -2.1 T  
SINCE JUL 1 5.0 3.4 1.6 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 34 -11 23  
MONTH TO DATE 545 627 -82 496  
SINCE DEC 1 545 627 -82 496  
SINCE JUL 1 1694 1612 82 1276  
 
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 25 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 13.9  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 73  
AVERAGE 85  
   
......................................................
 
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 66 1889  
MINIMUM TEMPERATURE (F) 22 -15 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 21 2018......SUNRISE 724 AM CST SUNSET 450 PM CST  
DECEMBER 22 2018......SUNRISE 724 AM CST SUNSET 451 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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