Chicago Midway, IL

10:47 AM CDT on September 22, 2017 (GMT -0500)
Chicago-Midway

Weather History for KMDW - October, 2012

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Sunday, October 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 56 °F 53 °F  
Max Temperature 70 °F 61 °F 87 °F (1953)
Min Temperature 42 °F 44 °F 26 °F (1952)
Degree Days  
Heating Degree Days 9 13  
Month to date heating degree days 234 202  
Since 1 July heating degree days 307 284  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 13  
Year to date cooling degree days 1468 1042  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 66    
Maximum Humidity 87    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.11 in 2.24 in (1933)
Month to date precipitation 2.04 2.13  
Year to date precipitation 23.02 31.99  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 6 mph (SSE)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Oct. 21, 2012 Rise Set
Actual Time 7:10 AM CDT 5:59 PM CDT
Civil Twilight 6:42 AM CDT 6:27 PM CDT
Nautical Twilight 6:09 AM CDT 7:00 PM CDT
Astronomical Twilight 5:37 AM CDT 7:32 PM CDT
Moon 1:33 PM CDT (10/21) 11:52 PM CDT (10/21)
Length of Visible Light 11h 45m
Length of Day
10h 48m
Waxing Crescent, 45% of the Moon is Illuminated
Oct 21
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 45.0 °F 42.6 °F 39.0 °F 80% 29.98 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:51 AM 45.0 °F - 39.0 °F 80% 29.99 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 44.1 °F - 37.9 °F 79% 30.00 in 10.0 mi Calm Calm - N/A   Clear
3:51 AM 42.1 °F - 37.9 °F 85% 30.00 in 10.0 mi Calm Calm - N/A   Clear
4:51 AM 43.0 °F - 37.9 °F 82% 30.00 in 10.0 mi Calm Calm - N/A   Clear
5:51 AM 42.1 °F 39.2 °F 37.9 °F 85% 30.02 in 10.0 mi SSE 4.6 mph - N/A   Clear
6:51 AM 42.1 °F 38.4 °F 37.9 °F 85% 30.02 in 10.0 mi SSE 5.8 mph - N/A   Clear
7:51 AM 42.8 °F 40.1 °F 39.2 °F 87% 30.02 in 8.0 mi SSE 4.6 mph - N/A   Partly Cloudy
8:51 AM 48.0 °F - 42.1 °F 80% 30.05 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
9:51 AM 52.0 °F - 43.0 °F 71% 30.06 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
10:51 AM 57.0 °F - 44.1 °F 62% 30.05 in 10.0 mi SSE 10.4 mph - N/A   Scattered Clouds
11:51 AM 60.1 °F - 45.0 °F 57% 30.04 in 10.0 mi SE 10.4 mph - N/A   Partly Cloudy
12:51 PM 63.0 °F - 46.0 °F 54% 30.01 in 10.0 mi SE 10.4 mph - N/A   Partly Cloudy
1:51 PM 66.0 °F - 46.0 °F 48% 29.99 in 10.0 mi SSE 8.1 mph - N/A   Partly Cloudy
2:51 PM 68.0 °F - 46.9 °F 47% 29.97 in 10.0 mi SSE 8.1 mph - N/A   Partly Cloudy
3:51 PM 69.1 °F - 46.9 °F 45% 29.96 in 10.0 mi Variable 6.9 mph - N/A   Partly Cloudy
4:51 PM 69.1 °F - 46.0 °F 44% 29.96 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
5:51 PM 66.9 °F - 46.9 °F 49% 29.97 in 10.0 mi SE 6.9 mph - N/A   Partly Cloudy
6:51 PM 64.9 °F - 48.0 °F 54% 29.97 in 10.0 mi SE 5.8 mph - N/A   Partly Cloudy
7:51 PM 64.0 °F - 48.0 °F 56% 29.98 in 10.0 mi SE 6.9 mph - N/A   Partly Cloudy
8:51 PM 62.1 °F - 48.0 °F 60% 29.99 in 10.0 mi SE 6.9 mph - N/A   Partly Cloudy
9:51 PM 60.8 °F - 48.2 °F 63% 29.99 in 10.0 mi SE 5.8 mph - N/A   Partly Cloudy
10:51 PM 59.0 °F - 48.0 °F 67% 29.99 in 10.0 mi SE 4.6 mph - N/A   Clear
11:51 PM 57.2 °F - 48.2 °F 72% 29.98 in 10.0 mi SSE 3.5 mph - N/A   Clear