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Climatological Information for Chicago, United States
Location of weather station : 42.0 N, 87.9 W, altitude : 205 m
Data
Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Mean Maximum
Temperature
(deg. C)
1961-1990
-1.7
0.8
7.7
14.8
21.2
26.4
28.7
27.7
23.8
17.4
9.1
1.1
Mean Temperature
(deg. C)
1961-1990
-6.1
-3.7
2.9
9.2
14.9
20.3
22.9
22.1
18.0
11.6
4.4
-3.0
Mean Minimum
Temperature
(deg. C)
1961-1990
-10.6
-8.2
-1.9
3.7
8.7
14.2
17.0
16.4
12.2
5.7
-0.2
-7.2
Rainfall Amount
(mm)
1961-1990
38.9
34.5
68.3
92.5
84.3
96.0
93.0
107.2
97.0
61.2
74.2
62.7
Days with Rain*
1961-1990
7.3
6.2
9.0
9.5
8.9
8.0
8.0
7.5
7.7
6.6
7.9
7.8
Mean Daily Sunshine
Duration
(hours)
1961-1990
4.4
4.9
6.0
7.2
9.1
10.4
10.3
9.1
7.6
6.2
3.8
3.4
* denotes number of days with at least 1.0 mm of rainfall
2003
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Last revision date: <15 Aug 2011>