736  
CDUS43 KLSX 210734  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
233 AM CDT MON MAY 21 2018  
 
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR MAY 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 81 338 PM 92 1902 76 5 75  
MINIMUM 60 155 AM 36 1894 55 5 55  
AVERAGE 71 65 6 65  
 
PRECIPITATION (IN)  
YESTERDAY 1.44 1.48 2013 0.15 1.29 0.54  
MONTH TO DATE 2.64 3.29 -0.65 5.06  
SINCE MAR 1 6.43 10.69 -4.26 17.03  
SINCE JAN 1 11.64 14.86 -3.22 18.25  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2015 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 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  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 0 87 -87 62  
SINCE MAR 1 1130 1044 86 751  
SINCE JUL 1 4769 4990 -221 3792  
 
COOLING  
YESTERDAY 6 3 3 0  
MONTH TO DATE 149 37 112 61  
SINCE MAR 1 162 62 100 103  
SINCE JAN 1 162 62 100 107    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 62  
AVERAGE 78  
   
......................................................
 
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 1956  
MINIMUM TEMPERATURE (F) 55 37 1892  
 
 
SUNRISE AND SUNSET  
MAY 21 2018...........SUNRISE 552 AM CDT SUNSET 820 PM CDT  
MAY 22 2018...........SUNRISE 551 AM CDT SUNSET 821 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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