Weather History for Chicago, IL

Friday, May 1, 2009 — View Current Weather Conditions

Friday, May 1, 2009

	Actual	Average	Record
Temperature
Mean Temperature	53 °F	54 °F
Max Temperature	60 °F	65 °F	90 °F (1951)
Min Temperature	46 °F	44 °F	30 °F (1943)
Degree Days
Heating Degree Days	12	11
Month to date heating degree days	12	11
Since 1 July heating degree days	6366	6078
Cooling Degree Days	0	0
Month to date cooling degree days	0	0
Year to date cooling degree days	2	10
Moisture
Dew Point	-
Average Humidity	69
Maximum Humidity	90
Minimum Humidity	47
Precipitation
Precipitation	0.02 in	0.11 in	2.35 in (1873)
Month to date precipitation	0.02	0.11
Year to date precipitation	14.96	9.51
Snow
Snow	0.00 in	0.00 in	1.60 in (1940)
Month to date snowfall	0.0	0.0
Since 1 July snowfall	52.7	36.3
Snow Depth	-
Wind
Wind Speed	9 mph (North)
Max Wind Speed	17 mph
Max Gust Speed	23 mph

T = Trace of Precipitation, MM = Missing Value

Source: NWS Daily Summary

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Local Photos

Skunk Bird

We call this little fellow our "skunk bird" because of his helmet. I think its a white-crowned sparrow that just happened to be passing through our ar...

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Astronomy

May. 01, 2009	Rise	Set
Actual Time	5:47 AM CDT	7:50 PM CDT
Civil Twilight	5:16 AM CDT	8:21 PM CDT
Nautical Twilight	4:39 AM CDT	8:58 PM CDT
Astronomical Twilight	3:58 AM CDT	9:39 PM CDT
Moon	11:54 AM CDT (5/1)	1:50 AM CDT (5/1)
Length Of Visible Light	15h 04m
Length of Day	14h 03m

Waxing Crescent, 48% of the Moon is Illuminated
May 1 Waxing Crescent	May 1 First Quarter	May 8 Full	May 17 Last Quarter	May 24 New

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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
12:51 AM	60.1 °F	57.0 °F	90%	29.86 in	10.0 mi	WSW	6.9 mph	-	N/A		Mostly Cloudy
1:51 AM	60.1 °F	50.0 °F	69%	29.86 in	10.0 mi	West	15.0 mph	-	N/A		Mostly Cloudy
2:51 AM	55.9 °F	46.0 °F	69%	29.88 in	10.0 mi	WNW	9.2 mph	-	N/A		Scattered Clouds
3:51 AM	53.1 °F	44.1 °F	71%	29.88 in	10.0 mi	West	3.5 mph	-	N/A		Clear
4:51 AM	52.0 °F	44.1 °F	74%	29.90 in	10.0 mi	WNW	5.8 mph	-	N/A		Partly Cloudy
5:51 AM	52.0 °F	44.1 °F	74%	29.91 in	10.0 mi	WNW	6.9 mph	-	N/A		Mostly Cloudy
6:51 AM	52.0 °F	43.0 °F	71%	29.96 in	10.0 mi	NW	13.8 mph	-	N/A		Overcast
7:51 AM	51.1 °F	43.0 °F	74%	29.98 in	10.0 mi	WNW	10.4 mph	-	N/A		Overcast
8:51 AM	52.0 °F	42.1 °F	69%	29.97 in	10.0 mi	NW	9.2 mph	-	N/A		Mostly Cloudy
9:51 AM	52.0 °F	39.9 °F	63%	30.00 in	10.0 mi	NW	16.1 mph	-	N/A		Overcast
10:51 AM	52.0 °F	41.0 °F	66%	30.01 in	10.0 mi	WNW	16.1 mph	20.7 mph	N/A		Overcast
11:51 AM	52.0 °F	39.9 °F	63%	30.00 in	10.0 mi	NW	9.2 mph	-	N/A		Overcast
12:51 PM	53.1 °F	39.9 °F	61%	30.01 in	10.0 mi	NW	9.2 mph	-	0.00 in	Rain	Light Rain
1:51 PM	51.1 °F	42.1 °F	71%	30.01 in	10.0 mi	NW	8.1 mph	-	0.02 in	Rain	Light Rain
2:51 PM	53.1 °F	43.0 °F	69%	30.00 in	10.0 mi	West	4.6 mph	-	0.00 in		Overcast
3:51 PM	55.0 °F	43.0 °F	64%	30.00 in	10.0 mi	West	5.8 mph	-	N/A		Mostly Cloudy
4:51 PM	55.9 °F	39.0 °F	53%	30.00 in	10.0 mi	West	5.8 mph	-	N/A		Mostly Cloudy
5:51 PM	57.0 °F	37.9 °F	49%	29.99 in	10.0 mi	West	9.2 mph	-	N/A		Mostly Cloudy
6:51 PM	57.0 °F	39.0 °F	51%	29.98 in	10.0 mi	WNW	9.2 mph	-	N/A		Mostly Cloudy
7:51 PM	55.0 °F	36.0 °F	49%	29.98 in	10.0 mi	West	9.2 mph	-	N/A		Scattered Clouds
8:51 PM	52.0 °F	35.1 °F	53%	30.00 in	10.0 mi	West	5.8 mph	-	N/A		Scattered Clouds
9:51 PM	51.1 °F	36.0 °F	56%	30.02 in	10.0 mi	West	5.8 mph	-	N/A		Partly Cloudy
10:51 PM	48.0 °F	37.0 °F	66%	30.02 in	10.0 mi	WSW	5.8 mph	-	N/A		Partly Cloudy
11:51 PM	48.0 °F	37.0 °F	66%	30.01 in	10.0 mi	West	5.8 mph	-	N/A		Partly Cloudy
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