989  
CDUS43 KLOT 292140  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CDT WED MAR 29 2017  
 
   
...............................
 
 
   
..THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 29 2017
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 48 1116 AM 88 1986 52 -4 58  
MINIMUM 35 610 AM 9 1887 33 2 31  
AVERAGE 42 42 0 45  
 
PRECIPITATION (IN)  
TODAY 0.00 1.33 1979 0.09 -0.09 0.00  
MONTH TO DATE 2.04 2.31 -0.27 2.82  
SINCE MAR 1 2.04 2.31 -0.27 2.82  
SINCE JAN 1 6.43 5.83 0.60 4.89  
 
SNOWFALL (IN)  
TODAY 0.0 7.7 1954 0.1 -0.1 0.0  
MONTH TO DATE 7.8 5.4 2.4 2.6  
SINCE MAR 1 7.8 5.4 2.4 2.6  
SINCE JUL 1 26.1 34.9 -8.8 30.1  
 
DEGREE DAYS  
HEATING  
TODAY 23 23 0 20  
MONTH TO DATE 737 798 -61 643  
SINCE MAR 1 737 798 -61 643  
SINCE JUL 1 4662 5532 -870 4651  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 10.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 60 300 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 79 1998  
1986  
MINIMUM TEMPERATURE (F) 34 12 1969  
1964  
 
 
SUNRISE AND SUNSET  
MARCH 29 2017.........SUNRISE 639 AM CDT SUNSET 714 PM CDT  
MARCH 30 2017.........SUNRISE 637 AM CDT SUNSET 715 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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