Chicago, IL

1:48 PM CST on January 21, 2017 (GMT -0600)
Chicago-Midway

Weather History for KMDW - December, 2011

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 41 °F 26 °F
Mean Temperature 48 °F 36 °F 19 °F
Min Temperature 41 °F 30 °F 12 °F
Degree Days  
Heating Degree Days (base 65) 46 29 18 910
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 55 °F 28 °F 1 °F
Precipitation  
Precipitation 1.01 in 0.06 in 0.00 in 1.88 in
Snowdepth - - - -
Wind  
Wind 25 mph 9 mph 0 mph
Gust Wind 37 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 30.13 in 29.45 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 30, 2011 Rise Set
Actual Time 7:18 AM CST 4:28 PM CST
Civil Twilight 6:46 AM CST 5:00 PM CST
Nautical Twilight 6:11 AM CST 5:35 PM CST
Astronomical Twilight 5:37 AM CST 6:09 PM CST
Moon 10:31 AM CST (12/30) 11:10 PM CST (12/30)
Length of Visible Light 10h 13m
Length of Day
9h 10m
Waxing Crescent, 36% of the Moon is Illuminated
Dec 30
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 46 38 30 30 25 19 79 61 44 30.30 30.26 30.22 10 10 7 12 5 - 0.00  
2 42 38 33 33 30 28 92 78 60 30.49 30.41 30.30 10 9 3 14 9 17 0.00 Rain , Snow
3 50 44 37 42 38 32 82 72 61 30.34 30.18 29.94 10 9 6 22 11 33 0.19 Rain
4 52 44 35 48 38 29 89 80 68 30.27 30.05 29.88 10 9 4 22 15 34 0.05 Rain
5 39 37 35 36 30 28 86 76 68 30.31 30.27 30.23 10 10 6 18 9 24 0.01 Rain , Snow
6 37 32 28 28 23 19 76 64 59 30.31 30.25 30.16 10 10 7 17 13 24 0.00 Snow
7 34 30 26 22 19 12 78 64 40 30.15 30.09 30.02 10 10 10 18 8 31 0.00  
8 36 30 25 24 21 19 81 68 50 30.26 30.21 30.16 10 10 5 10 5 - 0.00 Snow
9 30 24 18 27 16 7 93 67 46 30.49 30.32 30.19 10 7 2 16 9 16 0.00 Snow
10 26 19 12 16 6 1 68 55 40 30.59 30.52 30.47 10 10 10 14 8 18 0.00  
11 42 34 25 27 22 17 76 66 53 30.48 30.44 30.39 10 10 10 15 9 23 0.00  
12 45 36 28 25 23 19 75 56 44 30.45 30.40 30.37 10 10 10 10 7 - 0.00  
13 44 42 39 40 34 26 96 74 58 30.42 30.36 30.27 10 8 2 7 5 - 0.05 Rain
14 55 48 41 54 47 39 100 95 87 30.24 29.94 29.68 10 5 2 20 11 28 1.01 Rain
15 57 45 32 55 37 22 100 75 59 30.28 29.87 29.64 10 9 2 25 17 37 0.02  
16 34 30 27 23 19 17 75 65 52 30.43 30.36 30.24 10 10 10 13 8 - 0.00  
17 33 30 28 28 25 22 93 83 72 30.37 30.27 30.18 10 6 1 12 5 - 0.02 Snow
18 43 34 26 36 28 24 100 82 58 30.27 30.15 29.93 10 6 0 15 8 25 0.00 Fog
19 50 44 39 38 34 28 74 66 61 30.21 30.02 29.88 10 10 10 18 12 22 0.00  
20 39 38 37 37 31 26 97 77 62 30.19 30.01 29.78 10 8 1 13 9 - 0.00 Rain
21 42 40 39 40 38 33 100 92 79 29.98 29.77 29.67 10 4 0 15 5 21 0.00 Fog , Rain
22 39 36 33 36 32 23 100 86 66 30.27 30.11 29.96 10 6 2 17 8 22 0.04 Rain
23 34 29 24 24 20 17 78 69 54 30.39 30.30 30.22 10 10 9 16 9 23 0.00 Snow
24 37 30 24 28 24 20 88 73 57 30.37 30.29 30.19 10 10 10 14 7 25 0.00  
25 45 38 30 27 25 23 79 63 45 30.34 30.19 30.09 10 10 10 22 13 28 0.00  
26 44 36 27 33 27 23 92 72 51 30.35 30.16 29.87 10 10 7 15 7 25 0.03 Rain
27 39 34 28 34 30 16 96 78 60 30.00 29.73 29.57 10 8 5 23 11 31 0.10 Rain
28 32 26 21 27 17 12 85 67 54 30.12 30.02 29.86 10 10 10 12 7 - 0.00  
29 48 40 32 33 31 27 87 73 56 29.83 29.66 29.53 10 10 7 18 9 30 0.00 Rain
30 46 42 37 44 39 31 100 91 79 29.81 29.59 29.45 10 4 0 17 7 25 0.36 Fog , Rain
31 42 34 30 36 32 28 93 86 70 30.05 29.90 29.66 10 8 6 16 10 28 0.00