486  
CDUS43 KLSX 202231  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
530 PM CDT FRI APR 20 2018  
 
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR APRIL 20 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 64 357 PM 90 1987 68 -4 73  
MINIMUM 36 553 AM 28 1953 46 -10 53  
AVERAGE 50 57 -7 63  
 
PRECIPITATION (IN)  
TODAY 0.00 1.95 1893 0.16 -0.16 T  
MONTH TO DATE 0.41 2.79 -2.38 1.69  
SINCE MAR 1 3.75 5.70 -1.95 4.90  
SINCE JAN 1 8.96 9.87 -0.91 6.12  
 
SNOWFALL (IN)  
TODAY 0.0 0.8 1904 0.0 0.0 0.0  
MONTH TO DATE 0.6 0.2 0.4 0.0  
SINCE MAR 1 0.9 1.9 -1.0 T  
SINCE JUL 1 4.1 18.0 -13.9 1.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 15 9 6 2  
MONTH TO DATE 409 242 167 105  
SINCE MAR 1 1070 878 192 604  
SINCE JUL 1 4709 4824 -115 3645  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 12 13 -1 35  
SINCE MAR 1 12 16 -4 39  
SINCE JAN 1 12 16 -4 43    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 300 AM  
LOWEST 16 400 PM  
AVERAGE 40  
   
......................................................
 
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1965  
1925  
MINIMUM TEMPERATURE (F) 46 29 1907  
 
 
SUNRISE AND SUNSET  
APRIL 20 2018.........SUNRISE 625 AM CDT SUNSET 751 PM CDT  
APRIL 21 2018.........SUNRISE 624 AM CDT SUNSET 752 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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