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MOBILE DEVICE? Turn sideways. Weather conditions directly above are near Lakefront. Top tabs refer to O'Hare (official).

Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.

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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