FEBRUARY 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	Snowfall
1	32	17	24	41	0	0.05	0.4
2	32	17	24	40	0	0.05	0.3
3	32	17	25	40	0	0.05	0.4
4	32	17	25	40	0	0.05	0.3
5	32	18	25	40	0	0.05	0.4
6	33	18	25	40	0	0.05	0.3
7	33	18	25	40	0	0.06	0.4
8	33	18	26	39	0	0.05	0.3
9	33	18	26	39	0	0.06	0.4
10	34	19	26	39	0	0.06	0.3
11	34	19	26	39	0	0.06	0.4
12	34	19	27	38	0	0.06	0.3
13	35	19	27	38	0	0.07	0.4
14	35	20	27	38	0	0.06	0.3
15	35	20	28	37	0	0.06	0.3
16	36	20	28	37	0	0.07	0.3
17	36	21	28	37	0	0.06	0.4
18	36	21	28	36	0	0.07	0.3
19	37	21	29	36	0	0.07	0.3
20	37	22	29	36	0	0.07	0.3
21	37	22	30	35	0	0.07	0.3
22	38	22	30	35	0	0.07	0.3
23	38	23	30	35	0	0.08	0.3
24	38	23	31	34	0	0.08	0.3
25	39	23	31	34	0	0.08	0.3
26	39	24	31	34	0	0.07	0.3
27	40	24	32	33	0	0.08	0.2
28	40	24	32	33	0	0.08	0.3
29	40	24	32	33	0	0.08	0.3
MONTH	35.3	20.1	27.7	1044	0	1.79	9.1

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.

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

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SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS

SunCalc.net data with azimuth & trajectory, times for dawn, sunrise, solar noon, sunset, dusk ...