History for Chicago, IL

Monday, October 3, 2011 — View Current Conditions

Monday, October 3, 2011

	Actual	Average	Record
Temperature
Mean Temperature	57 °F	57 °F
Max Temperature	69 °F	68 °F	91 °F (1954)
Min Temperature	44 °F	47 °F	29 °F (1981)
Degree Days
Heating Degree Days	8	9
Month to date heating degree days	35	25
Since 1 July heating degree days	182	143
Cooling Degree Days	0	1
Month to date cooling degree days	0	3
Year to date cooling degree days	1022	835
Growing Degree Days	7 (Base 50)
Moisture
Dew Point	45 °F
Average Humidity	61
Maximum Humidity	83
Minimum Humidity	39
Precipitation
Precipitation	0.00 in	0.11 in	3.95 in (1954)
Month to date precipitation	T	0.30
Year to date precipitation	41.76	28.64
Snow
Snow	0.00 in	0.00 in	0.00 in ()
Month to date snowfall	0.0	0.0
Since 1 July snowfall	0.0	0.0
Since 1 September snowfall	0.0	0.0
Snow Depth	-
Sea Level Pressure
Sea Level Pressure	30.20 in
Wind
Wind Speed	5 mph (NNE)
Max Wind Speed	14 mph
Max Gust Speed	28 mph
Visibility	10 miles
Events

T = Trace of Precipitation, MM = Missing Value

Source: NWS Daily Summary

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Local Photos

Contrails at sunrise

10/3/11, 6:54 AM. Looking east over retention pond on Prospect Avenue north of Irving Park Road in Itasca.

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Astronomy

May. 21, 2013	Rise	Set
Actual Time	6:50 AM CDT	6:30 PM CDT
Civil Twilight	6:22 AM CDT	6:58 PM CDT
Nautical Twilight	5:50 AM CDT	7:30 PM CDT
Astronomical Twilight	5:17 AM CDT	8:02 PM CDT
Moon	1:53 PM CDT (10/3)	11:28 PM CDT (10/3)
Length Of Visible Light	12h 35m
Length of Day	11h 39m

Waxing Crescent, 45% of the Moon is Illuminated
Oct 3 Waxing Crescent	Oct 3 First Quarter	Oct 11 Full	Oct 19 Last Quarter	Oct 26 New

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Hourly Observations

Time (CDT)	Temp.	Dew Point	Humidity	Pressure	Visibility	Wind Dir	Wind Speed	Gust Speed	Precip	Conditions
12:51 AM	51.1 °F	41.0 °F	68%	30.16 in	10.0 mi	WNW	5.8 mph	-	N/A	Clear
1:51 AM	50.0 °F	41.0 °F	71%	30.16 in	10.0 mi	WNW	5.8 mph	-	N/A	Clear
2:51 AM	48.9 °F	39.9 °F	71%	30.16 in	10.0 mi	Calm	Calm	-	N/A	Clear
3:51 AM	50.0 °F	41.0 °F	71%	30.16 in	10.0 mi	WNW	5.8 mph	-	N/A	Clear
4:51 AM	46.9 °F	41.0 °F	80%	30.17 in	10.0 mi	Calm	Calm	-	N/A	Clear
5:51 AM	46.9 °F	41.0 °F	80%	30.19 in	10.0 mi	Calm	Calm	-	N/A	Clear
6:51 AM	48.2 °F	41.0 °F	76%	30.19 in	10.0 mi	Variable	4.6 mph	-	N/A	Partly Cloudy
7:51 AM	50.0 °F	44.1 °F	80%	30.21 in	10.0 mi	Calm	Calm	-	N/A	Scattered Clouds
8:51 AM	55.4 °F	42.8 °F	63%	30.20 in	10.0 mi	NNW	6.9 mph	-	N/A	Scattered Clouds
9:51 AM	59.0 °F	45.0 °F	60%	30.22 in	10.0 mi	NNE	6.9 mph	-	N/A	Scattered Clouds
10:51 AM	62.1 °F	46.0 °F	56%	30.22 in	10.0 mi	Variable	4.6 mph	-	N/A	Partly Cloudy
11:51 AM	66.2 °F	46.4 °F	49%	30.21 in	10.0 mi	Variable	5.8 mph	-	N/A	Partly Cloudy
12:51 PM	66.9 °F	45.0 °F	45%	30.21 in	10.0 mi	North	5.8 mph	-	N/A	Partly Cloudy
1:51 PM	68.0 °F	44.1 °F	42%	30.19 in	10.0 mi	NE	11.5 mph	-	N/A	Partly Cloudy
2:51 PM	68.0 °F	42.1 °F	39%	30.20 in	10.0 mi	ENE	10.4 mph	-	N/A	Clear
3:51 PM	66.0 °F	46.9 °F	50%	30.20 in	10.0 mi	NE	11.5 mph	-	N/A	Partly Cloudy
4:51 PM	62.6 °F	48.2 °F	59%	30.21 in	10.0 mi	NE	10.4 mph	-	N/A	Clear
5:51 PM	61.0 °F	46.0 °F	58%	30.22 in	10.0 mi	ENE	10.4 mph	-	N/A	Clear
6:51 PM	57.9 °F	46.9 °F	67%	30.22 in	10.0 mi	NE	5.8 mph	-	N/A	Clear
7:51 PM	55.9 °F	48.9 °F	77%	30.23 in	10.0 mi	NNE	3.5 mph	-	N/A	Clear
8:51 PM	55.0 °F	50.0 °F	83%	30.23 in	10.0 mi	North	4.6 mph	-	N/A	Clear
9:51 PM	55.9 °F	50.0 °F	80%	30.23 in	10.0 mi	NNE	3.5 mph	-	N/A	Clear
10:51 PM	55.0 °F	48.9 °F	80%	30.23 in	10.0 mi	Calm	Calm	-	N/A	Clear
11:51 PM	51.1 °F	46.0 °F	83%	30.23 in	10.0 mi	Calm	Calm	-	N/A	Clear
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