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Archives for Chicago's hourly weather data updated 24-48 hours after end of each day. MOBILE CHGOWX.COM ...
Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Friday, April 30, 2010

APRIL CHICAGO NORMALS FOR TEMPERATURE, PRECIPITATION, SNOWFALL (1981-2010)

JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC

Day of MonthHighLowAverageHDDCDDPrecipitationSnowfall
15334442200.100.1
25434442100.110.1
35435442100.100.1
45435452000.110.1
55535452000.100.1
65536452000.100.0
75636461900.110.1
85636461900.110.0
95637461900.120.1
105737471800.110.0
115737471800.120.1
125838481800.110.0
135838481700.110.1
145838481700.110.0
155939491700.120.1
165939491600.110.0
176039501600.120.0
186040501600.110.1
196140501500.120.0
206140511500.110.0
216141511500.110.0
226241511400.120.0
236241521400.110.1
246342521300.110.0
256342521300.120.0
266342531300.120.0
276443531200.120.0
286443541200.120.0
296443541200.120.0
306544541100.120.0
MONTH5938.848.949293.381.2







HDD = A Heating Degree Day represents the number of degree(s) that the mean temperature for the day is below 65 degrees during a day.

CDD = A Cooling Degree Day represents the number of degree(s) that the mean temperature for the day is above 65 degrees during a day.







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