261  
CDUS43 KLSX 170741  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
131 AM CST MON DEC 17 2018  
 
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR DECEMBER 16 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 57 209 PM 70 1889 41 16 62  
MINIMUM 30 632 AM -11 1989 23 7 32  
AVERAGE 44 32 12 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.86 1928 0.08 -0.08 0.00  
MONTH TO DATE 1.30 1.38 -0.08 0.06  
SINCE DEC 1 1.30 1.38 -0.08 0.06  
SINCE JAN 1 31.78 41.56 -9.78 37.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.5 1911 0.2 -0.2 0.0  
MONTH TO DATE 0.4 2.0 -1.6 T  
SINCE DEC 1 0.4 2.0 -1.6 T  
SINCE JUL 1 5.0 2.9 2.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 33 -12 18  
MONTH TO DATE 459 492 -33 412  
SINCE DEC 1 459 492 -33 412  
SINCE JUL 1 1608 1477 131 1192  
 
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 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 30  
AVERAGE 63  
   
......................................................
 
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 65 1962  
1941  
1939  
MINIMUM TEMPERATURE (F) 23 -5 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2018......SUNRISE 721 AM CST SUNSET 449 PM CST  
DECEMBER 18 2018......SUNRISE 722 AM CST SUNSET 449 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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