Weather History for Chicago DuPage, IL

Thursday, October 4, 2012 — View Current Weather Conditions

Thursday, October 4, 2012

	Actual	Average	Record
Temperature
Mean Temperature	62 °F	57 °F
Max Temperature	77 °F	68 °F	87 °F (2005)
Min Temperature	46 °F	45 °F	30 °F (2004)
Degree Days
Heating Degree Days	3	9
Month to date heating degree days	26	35
Since 1 July heating degree days	183	146
Cooling Degree Days	0	1
Month to date cooling degree days	0	4
Year to date cooling degree days	1089	807
Growing Degree Days	12 (Base 50)
Moisture
Dew Point	52 °F
Average Humidity	79
Maximum Humidity	97
Minimum Humidity	48
Precipitation
Precipitation	0.14 in	0.11 in	0.80 in (2001)
Month to date precipitation	0.23	0.50
Year to date precipitation	15.80	29.42
Sea Level Pressure
Sea Level Pressure	30.04 in
Wind
Wind Speed	10 mph (SW)
Max Wind Speed	24 mph
Max Gust Speed	30 mph
Visibility	9 miles
Events	Rain

T = Trace of Precipitation, MM = Missing Value

Source: NWS Daily Summary

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	Red Tree 2012 Gompers Park, on the north side of Chicago. A tree that turns a bright red every year.
	Red Tree 2012 Gompers Park, on the north side of Chicago. A tree that turns a bright red every year. Note how every other tree in the park is still green, only thi...

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Astronomy

Oct. 04, 2012	Rise	Set
Actual Time	6:53 AM CDT	6:28 PM CDT
Civil Twilight	6:25 AM CDT	6:56 PM CDT
Nautical Twilight	5:53 AM CDT	7:28 PM CDT
Astronomical Twilight	5:21 AM CDT	8:01 PM CDT
Moon	8:59 PM CDT (10/4)	11:14 AM CDT (10/4)
Length Of Visible Light	12h 30m
Length of Day	11h 34m

Waning Gibbous, 82% of the Moon is Illuminated
Oct 4 Waning Gibbous	Oct 8 Last Quarter	Oct 15 New	Oct 21 First Quarter	Oct 29 Full

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Hourly Weather History & Observations

Time (CDT)	Temp.	Dew Point	Humidity	Pressure	Visibility	Wind Dir	Wind Speed	Gust Speed	Precip	Events	Conditions
12:52 AM	57.9 °F	55.0 °F	90%	30.03 in	8.0 mi	SW	6.9 mph	-	N/A		Partly Cloudy
1:52 AM	57.9 °F	55.0 °F	90%	30.03 in	9.0 mi	SW	10.4 mph	-	0.00 in	Rain	Light Rain
2:52 AM	55.9 °F	54.0 °F	93%	30.03 in	9.0 mi	South	6.9 mph	-	0.00 in		Mostly Cloudy
3:52 AM	55.0 °F	54.0 °F	96%	30.04 in	9.0 mi	South	5.8 mph	-	N/A		Mostly Cloudy
4:52 AM	52.0 °F	51.1 °F	97%	30.05 in	10.0 mi	SSW	3.5 mph	-	N/A		Partly Cloudy
5:52 AM	52.0 °F	50.0 °F	93%	30.04 in	10.0 mi	South	6.9 mph	-	N/A		Clear
6:52 AM	52.0 °F	51.1 °F	97%	30.04 in	10.0 mi	South	6.9 mph	-	N/A		Clear
7:52 AM	54.0 °F	53.1 °F	97%	30.04 in	7.0 mi	South	5.8 mph	-	N/A		Clear
8:52 AM	60.1 °F	55.0 °F	83%	30.04 in	10.0 mi	SSW	10.4 mph	-	0.01 in		Clear
9:52 AM	64.0 °F	55.9 °F	75%	30.03 in	10.0 mi	SSW	11.5 mph	-	N/A		Clear
10:52 AM	68.0 °F	57.0 °F	68%	30.02 in	10.0 mi	SSW	10.4 mph	-	N/A		Clear
11:52 AM	73.0 °F	55.9 °F	55%	29.99 in	10.0 mi	SSW	13.8 mph	-	N/A		Clear
12:52 PM	77.0 °F	55.9 °F	48%	29.98 in	10.0 mi	SSW	21.9 mph	28.8 mph	N/A		Clear
1:52 PM	73.9 °F	55.9 °F	53%	29.98 in	10.0 mi	SSW	19.6 mph	25.3 mph	N/A		Mostly Cloudy
2:52 PM	71.1 °F	55.0 °F	57%	29.99 in	6.0 mi	West	12.7 mph	-	0.01 in	Rain	Light Rain
3:52 PM	64.0 °F	55.0 °F	73%	30.03 in	10.0 mi	West	13.8 mph	-	0.01 in		Partly Cloudy
4:52 PM	61.0 °F	48.0 °F	62%	30.05 in	10.0 mi	West	16.1 mph	27.6 mph	N/A		Mostly Cloudy
5:52 PM	53.1 °F	50.0 °F	89%	30.07 in	3.0 mi	WSW	9.2 mph	17.3 mph	0.11 in	Rain	Heavy Rain
6:52 PM	52.0 °F	48.9 °F	89%	30.08 in	10.0 mi	WSW	9.2 mph	-	0.00 in		Mostly Cloudy
8:52 PM	52.0 °F	48.0 °F	86%	30.09 in	10.0 mi	West	12.7 mph	-	N/A		Overcast
9:52 PM	52.0 °F	45.0 °F	77%	30.09 in	10.0 mi	West	8.1 mph	-	N/A		Overcast
10:52 PM	48.9 °F	43.0 °F	80%	30.11 in	10.0 mi	West	6.9 mph	-	N/A		Clear
11:52 PM	48.0 °F	37.9 °F	68%	30.12 in	10.0 mi	WNW	6.9 mph	-	N/A		Clear
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