Weather History for Chicago DuPage, IL

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Month of April, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 75 °F 60 °F 47 °F
Mean Temperature 67 °F 49 °F 38 °F
Min Temperature 59 °F 38 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 27 16 0 482
Cooling Degree Days (base 65) 2 0 0 2
Growing Degree Days (base 50) 16 2 0 63
Dew Point  
Dew Point 62 °F 34 °F 11 °F
Precipitation  
Precipitation 0.63 in 0.07 in 0.00 in 1.51 in
Snowdepth - - - -
Wind  
Wind 37 mph 10 mph 0 mph
Gust Wind 47 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 30.00 in 29.50 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 27, 2012 Rise Set
Actual Time 5:53 AM CDT 7:47 PM CDT
Civil Twilight 5:23 AM CDT 8:17 PM CDT
Nautical Twilight 4:47 AM CDT 8:54 PM CDT
Astronomical Twilight 4:07 AM CDT 9:34 PM CDT
Moon 10:30 AM CDT (4/27) 12:36 AM CDT (4/27)
Length of Visible Light 14h 53m
Length of Day
13h 53m
Waxing Crescent, 33% of the Moon is Illuminated
Apr 27
Waxing Crescent
Apr 29
First Quarter
May 5
Full
May 12
Last Quarter
May 20
New

Weather History Calendar

Precipitation Actual month total 1.51 Normal Month Total: 3.35
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Thunderstorm
Actual:
60 | 45 0.11
Average:
55 | 33 0.09
Clear
Actual:
64 | 45 0.00
Average:
56 | 33 0.08
Clear
Actual:
73 | 47 0.00
Average:
56 | 34 0.09
Clear
Actual:
59 | 43 0.00
Average:
56 | 34 0.08
Clear
Actual:
50 | 30 0.00
Average:
57 | 34 0.09
Clear
Actual:
54 | 26 0.00
Average:
57 | 35 0.10
Rain
Actual:
65 | 30 T
Average:
58 | 35 0.10
Rain
Actual:
65 | 38 T
Average:
58 | 35 0.09
Scattered Clouds
Actual:
61 | 38 T
Average:
58 | 36 0.10
Scattered Clouds
Actual:
47 | 28 0.00
Average:
59 | 36 0.11
Clear
Actual:
55 | 28 0.00
Average:
59 | 36 0.10
Clear
Actual:
62 | 30 0.00
Average:
60 | 37 0.11
Partly Cloudy
Actual:
62 | 41 T
Average:
60 | 37 0.10
Thunderstorm
Actual:
66 | 51 0.13
Average:
60 | 37 0.11
Thunderstorm
Actual:
75 | 59 0.63
Average:
61 | 38 0.10
Rain
Actual:
65 | 39 T
Average:
61 | 38 0.11
Scattered Clouds
Actual:
57 | 36 0.00
Average:
62 | 38 0.12
Rain
Actual:
72 | 39 0.04
Average:
62 | 38 0.12
Partly Cloudy
Actual:
62 | 42 T
Average:
62 | 39 0.11
Rain
Actual:
49 | 35 0.01
Average:
63 | 39 0.11
Scattered Clouds
Actual:
53 | 31 0.00
Average:
63 | 40 0.10
Scattered Clouds
Actual:
53 | 33 0.00
Average:
64 | 40 0.11
Scattered Clouds
Actual:
60 | 32 0.00
Average:
64 | 40 0.11
Scattered Clouds
Actual:
61 | 33 0.00
Average:
64 | 40 0.11
Rain
Actual:
65 | 44 0.02
Average:
64 | 41 0.13
Scattered Clouds
Actual:
58 | 31 0.00
Average:
65 | 41 0.13
Scattered Clouds
Actual:
54 | 27 T
Average:
65 | 41 0.15
Rain
Actual:
50 | 43 0.24
Average:
66 | 42 0.16
Rain
Actual:
57 | 37 0.32
Average:
66 | 42 0.16
Overcast
Actual:
60 | 50 0.01
Average:
66 | 42 0.17
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 60 53 45 52 45 38 94 80 67 29.81 29.72 29.66 10 5 2 17 10 23 0.11 Rain , Thunderstorm
2 64 55 45 41 39 36 83 58 40 29.93 29.86 29.78 10 8 5 18 10 25 0.00  
3 73 60 47 52 42 35 68 56 47 29.95 29.87 29.81 10 10 9 23 10 30 0.00  
4 59 51 43 36 27 20 61 42 26 29.99 29.94 29.90 10 10 10 23 15 29 0.00  
5 50 40 30 33 28 22 76 59 40 30.18 30.05 29.94 10 10 10 23 14 30 0.00  
6 54 40 26 29 26 23 89 56 32 30.32 30.26 30.18 10 10 10 18 8 23 0.00  
7 65 48 30 45 32 26 82 52 27 30.30 30.21 30.12 10 10 10 23 8 29 T Rain
8 65 52 38 45 33 22 87 55 21 30.28 30.18 30.07 10 10 7 26 10 35 T Rain
9 61 50 38 38 25 15 79 40 20 30.06 30.00 29.94 10 10 10 32 15 44 T  
10 47 38 28 20 17 14 64 44 31 30.16 30.10 30.05 10 10 10 26 13 36 0.00  
11 55 42 28 27 22 18 75 50 32 30.30 30.25 30.17 10 10 10 13 6 21 0.00  
12 62 46 30 30 27 22 85 50 23 30.30 30.22 30.13 10 10 10 14 4 17 0.00  
13 62 52 41 39 31 26 58 45 25 30.19 30.11 30.01 10 10 10 23 13 30 T  
14 66 59 51 56 49 39 90 73 57 30.01 29.90 29.76 10 9 3 16 7 22 0.13 Rain , Thunderstorm
15 75 67 59 62 59 55 90 78 59 29.73 29.66 29.53 10 8 1 32 16 45 0.63 Rain , Thunderstorm
16 65 52 39 59 42 34 83 67 54 30.23 29.82 29.50 10 10 10 37 20 47 T Rain
17 57 47 36 36 34 32 86 63 42 30.38 30.32 30.24 10 10 10 14 4 20 0.00  
18 72 56 39 53 42 32 87 60 41 30.29 30.08 29.93 10 10 7 25 12 35 0.04 Rain
19 62 52 42 49 44 38 86 72 58 29.98 29.88 29.73 10 10 7 17 9 22 T  
20 49 42 35 45 37 30 93 78 60 30.02 29.84 29.64 10 9 5 25 12 31 0.01 Rain
21 53 42 31 34 28 20 85 60 36 30.07 30.03 29.99 10 10 10 13 7 24 0.00  
22 53 43 33 31 25 20 82 50 30 30.12 30.06 29.98 10 10 10 25 13 31 0.00  
23 60 46 32 29 24 17 62 38 25 30.07 29.94 29.81 10 10 10 23 10 32 0.00  
24 61 47 33 36 27 19 76 46 22 29.81 29.75 29.68 10 10 2 14 4 17 0.00  
25 65 55 44 49 43 32 86 67 45 29.75 29.67 29.61 10 9 4 15 7 18 0.02 Rain
26 58 45 31 46 38 26 90 71 53 30.16 29.89 29.62 10 8 2 23 11 29 0.00  
27 54 41 27 29 22 11 89 51 19 30.29 30.21 30.12 10 10 8 20 11 25 T  
28 50 47 43 38 36 31 82 68 56 30.21 30.11 30.01 10 10 5 23 13 28 0.24 Rain
29 57 47 37 48 40 34 89 73 49 30.26 30.15 30.03 10 7 2 17 9 23 0.32 Rain
30 60 55 50 54 50 44 89 83 76 30.01 29.94 29.90 10 6 2 10 5 13 0.01