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

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

Day of Month	High	Low	Average	HDD	CDD	Precipitation
1	84	63	73	0	8	0.10
2	84	63	73	0	9	0.10
3	84	63	74	0	9	0.10
4	84	63	74	0	9	0.10
5	84	63	74	0	9	0.10
6	84	63	74	0	9	0.11
7	84	64	74	0	9	0.12
8	84	64	74	0	9	0.11
9	85	64	74	0	9	0.12
10	85	64	74	0	9	0.11
11	85	64	74	0	9	0.12
12	85	64	74	0	9	0.12
13	85	64	74	0	9	0.11
14	85	64	74	0	9	0.12
15	85	64	74	0	9	0.11
16	84	64	74	0	9	0.12
17	84	64	74	0	9	0.11
18	84	64	74	0	9	0.12
19	84	64	74	0	9	0.11
20	84	64	74	0	9	0.12
21	84	64	74	0	9	0.13
22	84	64	74	0	9	0.13
23	84	64	74	0	9	0.13
24	84	64	74	0	9	0.13
25	84	64	74	0	9	0.14
26	84	64	74	0	9	0.13
27	84	64	74	0	9	0.13
28	84	64	74	0	9	0.13
29	84	64	74	0	9	0.13
30	83	64	74	0	9	0.14
31	83	64	74	0	9	0.15
MONTH	84.1	63.9	74.0	4	283	3.70

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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