Weather History for Chicago, IL

Friday, March 4, 2011 View Current Weather Conditions
Friday, March 4, 2011
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  Actual Average Record
Temperature
Mean Temperature 45 °F 34 °F  
Max Temperature 54 °F 42 °F 73 °F (1983)
Min Temperature 35 °F 26 °F -12 °F (1873)
Degree Days
Heating Degree Days 20 31  
Month to date heating degree days 116 128  
Since 1 July heating degree days 4930 4862  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 37 °F    
Average Humidity 80    
Maximum Humidity 100    
Minimum Humidity 60    
Precipitation
Precipitation 1.11 in 0.08 in 1.75 in (1985)
Month to date precipitation 1.11 0.31  
Year to date precipitation 5.55 3.83  
Snow
Snow 0.00 in 0.30 in 8.50 in (1982)
Month to date snowfall 0.0 1.0  
Since 1 July snowfall 56.3 30.5  
Snow Depth -    
Sea Level Pressure
Sea Level Pressure 29.98 in    
Wind
Wind Speed 8 mph (NE)    
Max Wind Speed 22 mph    
Max Gust Speed 26 mph    
Visibility 6 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Weather History Graph
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Local Photos
waiting for bread
I like the movement of water, as the bird in the back takes off, in this photo.
Looking over the Illinois River.
I got this shot just before it flew to the island across the river.
Astronomy
Mar. 04, 2011 Rise Set
Actual Time 6:22 AM CST 5:45 PM CST
Civil Twilight 5:54 AM CST 6:13 PM CST
Nautical Twilight 5:22 AM CST 6:45 PM CST
Astronomical Twilight 4:49 AM CST 7:17 PM CST
Moon 5:54 AM CST (3/4) 5:55 PM CST (3/4)
Length Of Visible Light 12h 18m
Length of Day
11h 22m
Waning Crescent, 0% of the Moon is Illuminated
Mar 4
Waning Crescent
Mar 4
New
Mar 12
First Quarter
Mar 19
Full
Mar 26
Last Quarter
Hourly Weather History & Observations
Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 39.9 °F 34.5 °F 28.0 °F 63% 30.07 in 10.0 mi South 8.1 mph - 0.00 in   Overcast
1:51 AM 41.0 °F - 28.0 °F 60% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
2:51 AM 39.0 °F 35.7 °F 28.0 °F 65% 30.01 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
3:51 AM 41.0 °F 37.1 °F 28.9 °F 62% 30.01 in 10.0 mi South 5.8 mph - N/A   Overcast
4:51 AM 39.9 °F 35.8 °F 30.0 °F 68% 30.00 in 10.0 mi SSE 5.8 mph - N/A   Overcast
5:51 AM 39.9 °F 37.8 °F 30.9 °F 70% 30.00 in 10.0 mi South 3.5 mph - 0.00 in Rain Light Rain
6:51 AM 39.9 °F 33.9 °F 35.1 °F 83% 30.01 in 10.0 mi SE 9.2 mph - 0.05 in Rain Light Rain
7:51 AM 42.1 °F - 35.1 °F 76% 30.02 in 10.0 mi Calm Calm - 0.01 in Rain Light Rain
8:38 AM 41.0 °F - 35.6 °F 81% 30.01 in 4.0 mi Calm Calm - N/A Rain Rain
8:51 AM 41.0 °F - 37.0 °F 86% 30.03 in 4.0 mi Calm Calm - 0.06 in Rain Rain
9:35 AM 42.8 °F 40.1 °F 39.2 °F 87% 29.99 in 5.0 mi East 4.6 mph - 0.09 in Rain Light Rain
9:51 AM 44.1 °F 40.8 °F 41.0 °F 89% 30.01 in 7.0 mi ESE 5.8 mph - 0.09 in   Overcast
10:51 AM 46.0 °F - 43.0 °F 89% 30.01 in 7.0 mi Calm Calm - N/A   Overcast
11:51 AM 50.0 °F - 45.0 °F 83% 29.99 in 9.0 mi SSE 3.5 mph - N/A   Overcast
12:51 PM 53.1 °F - 46.0 °F 77% 29.97 in 9.0 mi Calm Calm - N/A   Overcast
1:09 PM 53.6 °F - 46.4 °F 77% 29.95 in 9.0 mi NE 4.6 mph - N/A   Overcast
1:51 PM 51.1 °F - 45.0 °F 80% 29.94 in 10.0 mi NE 10.4 mph - N/A   Overcast
2:38 PM 48.2 °F - 42.8 °F 82% 29.94 in 9.0 mi NE 10.4 mph 21.9 mph N/A   Overcast
2:51 PM 46.0 °F 41.0 °F 41.0 °F 83% 29.96 in 9.0 mi NNE 10.4 mph - N/A   Overcast
3:51 PM 42.1 °F 36.6 °F 39.0 °F 89% 29.97 in 4.0 mi NNE 9.2 mph - 0.02 in Rain Rain
4:01 PM 42.8 °F 35.4 °F 39.2 °F 87% 29.93 in 2.0 mi ENE 15.0 mph - 0.03 in Rain Rain
4:16 PM 41.0 °F 37.1 °F 39.2 °F 93% 29.95 in 4.0 mi NNW 5.8 mph - 0.06 in Rain Light Rain
4:51 PM 41.0 °F 33.9 °F 39.9 °F 96% 29.96 in 3.0 mi NNW 12.7 mph 17.3 mph 0.09 in Rain Light Rain
5:03 PM 41.0 °F 35.2 °F 39.2 °F 93% 29.96 in 2.0 mi NNW 9.2 mph - 0.02 in Rain Rain
5:06 PM 41.0 °F 33.9 °F 39.2 °F 93% 29.96 in 1.2 mi NNW 12.7 mph - 0.04 in Rain Heavy Rain
5:13 PM 41.0 °F 35.8 °F 39.2 °F 93% 29.96 in 1.0 mi North 8.1 mph - 0.10 in Rain Heavy Rain
5:30 PM 41.0 °F 35.8 °F 39.2 °F 93% 29.96 in 1.2 mi North 8.1 mph - 0.20 in Rain Heavy Rain
5:37 PM 41.0 °F 37.1 °F 39.2 °F 93% 29.96 in 2.5 mi NNE 5.8 mph - 0.24 in Rain Rain
5:46 PM 41.0 °F 34.7 °F 39.2 °F 93% 29.95 in 3.0 mi NNE 10.4 mph - 0.24 in Rain Light Rain
5:51 PM 41.0 °F 35.2 °F 39.9 °F 96% 29.96 in 4.0 mi NNE 9.2 mph - 0.25 in Rain Light Rain
6:00 PM 41.0 °F 34.7 °F 39.2 °F 93% 29.96 in 5.0 mi NE 10.4 mph - 0.00 in Rain Light Rain
6:30 PM 39.2 °F 31.2 °F 39.2 °F 100% 29.95 in 5.0 mi NE 13.8 mph - 0.01 in Rain Light Rain
6:51 PM 37.9 °F 31.5 °F 37.0 °F 97% 29.99 in 5.0 mi NNE 9.2 mph - 0.01 in Rain Light Rain
7:13 PM 37.4 °F 29.3 °F 35.6 °F 93% 29.95 in 6.0 mi NE 12.7 mph 21.9 mph 0.01 in Rain Light Rain
7:30 PM 35.6 °F 27.5 °F 35.6 °F 100% 29.98 in 4.0 mi NNE 11.5 mph - 0.03 in Rain Rain
7:40 PM 35.6 °F 27.5 °F 35.6 °F 100% 29.98 in 2.0 mi NNE 11.5 mph - 0.09 in Rain Heavy Rain
7:51 PM 36.0 °F 28.5 °F 35.1 °F 97% 30.01 in 2.5 mi North 10.4 mph - 0.15 in Rain Heavy Rain
8:03 PM 35.6 °F 28.0 °F 35.6 °F 100% 29.98 in 3.0 mi North 10.4 mph - 0.04 in Rain Rain
8:32 PM 35.6 °F 26.6 °F 33.8 °F 93% 29.97 in 5.0 mi North 13.8 mph - 0.14 in Rain Rain
8:51 PM 35.1 °F 25.9 °F 34.0 °F 96% 29.99 in 4.0 mi North 13.8 mph 24.2 mph 0.19 in Rain Rain
9:17 PM 35.6 °F 25.5 °F 33.8 °F 93% 29.95 in 5.0 mi NNE 17.3 mph - 0.05 in Rain Rain
9:51 PM 35.1 °F 24.5 °F 34.0 °F 96% 29.96 in 7.0 mi NNE 18.4 mph 25.3 mph 0.09 in Rain Light Rain
10:51 PM 35.1 °F 24.8 °F 34.0 °F 96% 29.96 in 4.0 mi NNE 17.3 mph - 0.07 in Rain Rain
11:19 PM 35.6 °F 26.2 °F 35.6 °F 100% 29.95 in 7.0 mi NNE 15.0 mph 24.2 mph 0.02 in Rain Light Rain
11:51 PM 35.1 °F 23.3 °F 34.0 °F 96% 29.96 in 6.0 mi North 23.0 mph 26.5 mph 0.03 in Rain Light Rain
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