Weather History for Chicago DuPage, IL

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 72 °F 50 °F
Mean Temperature 76 °F 61 °F 45 °F
Min Temperature 65 °F 49 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 20 6 0 191
Cooling Degree Days (base 65) 11 2 0 70
Growing Degree Days (base 50) 26 11 0 351
Dew Point  
Dew Point 71 °F 49 °F 24 °F
Precipitation  
Precipitation 1.25 in 0.15 in 0.00 in 4.02 in
Snowdepth - - - -
Wind  
Wind 29 mph 8 mph 0 mph
Gust Wind 38 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 29.96 in 29.63 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 18, 2013 Rise Set
Actual Time 5:29 AM CDT 8:09 PM CDT
Civil Twilight 4:57 AM CDT 8:42 PM CDT
Nautical Twilight 4:17 AM CDT 9:22 PM CDT
Astronomical Twilight 3:31 AM CDT 10:08 PM CDT
Moon 1:06 PM CDT (5/18) 1:28 AM CDT (5/18)
Length of Visible Light 15h 44m
Length of Day
14h 40m
First Quarter, 55% of the Moon is Illuminated
May 18
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Weather History Calendar

Precipitation Actual month total 4.02 Normal Month Total: 4.58
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
82 | 59 0.00
Average:
66 | 43 0.15
Thunderstorm
Actual:
61 | 43 0.42
Average:
67 | 43 0.15
Rain
Actual:
50 | 40 0.19
Average:
67 | 43 0.15
Partly Cloudy
Actual:
72 | 47 0.00
Average:
68 | 44 0.14
Scattered Clouds
Actual:
73 | 46 0.00
Average:
68 | 44 0.15
Partly Cloudy
Actual:
74 | 50 T
Average:
68 | 44 0.15
Clear
Actual:
77 | 43 0.00
Average:
68 | 45 0.16
Clear
Actual:
80 | 45 0.00
Average:
69 | 45 0.15
Rain
Actual:
73 | 47 0.34
Average:
69 | 45 0.14
Rain
Actual:
50 | 45 0.02
Average:
69 | 46 0.15
Rain
Actual:
59 | 37 T
Average:
70 | 46 0.14
Scattered Clouds
Actual:
56 | 35 0.00
Average:
70 | 46 0.16
Scattered Clouds
Actual:
65 | 32 T
Average:
70 | 47 0.15
Clear
Actual:
90 | 51 0.00
Average:
71 | 47 0.16
Clear
Actual:
83 | 58 T
Average:
71 | 47 0.14
Scattered Clouds
Actual:
81 | 50 0.00
Average:
71 | 48 0.14
Rain
Actual:
74 | 54 0.04
Average:
72 | 48 0.15
Partly Cloudy
Actual:
79 | 52 0.00
Average:
72 | 48 0.15
Scattered Clouds
Actual:
86 | 57 0.00
Average:
72 | 49 0.15
Thunderstorm
Actual:
87 | 65 0.73
Average:
72 | 49 0.15
Rain
Actual:
81 | 63 0.07
Average:
73 | 50 0.16
Thunderstorm
Actual:
72 | 61 1.25
Average:
73 | 50 0.17
Rain
Actual:
61 | 37 0.24
Average:
73 | 50 0.17
Clear
Actual:
61 | 34 0.00
Average:
74 | 51 0.16
Rain
Actual:
58 | 43 T
Average:
74 | 51 0.15
Rain
Actual:
68 | 41 0.03
Average:
74 | 51 0.13
Thunderstorm
Actual:
64 | 53 0.15
Average:
75 | 52 0.13
Thunderstorm
Actual:
77 | 57 0.22
Average:
75 | 52 0.13
Rain
Actual:
84 | 62 0.03
Average:
75 | 52 0.14
Thunderstorm
Actual:
83 | 63 0.14
Average:
76 | 53 0.13
Thunderstorm
Actual:
76 | 63 0.15
Average:
76 | 53 0.13
 

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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 82 71 59 58 54 51 87 57 36 30.12 30.06 29.95 10 10 10 17 8 23 0.00  
2 61 52 43 53 44 39 93 81 62 30.24 30.17 30.12 10 9 1 24 12 30 0.42 Rain , Thunderstorm
3 50 45 40 47 42 37 100 91 81 30.13 30.03 29.95 10 8 2 18 11 23 0.19 Rain
4 72 60 47 54 48 45 93 69 47 30.05 29.99 29.95 10 10 8 22 7 26 0.00  
5 73 60 46 46 44 40 90 59 38 30.03 30.00 29.97 10 10 9 20 9 24 0.00  
6 74 62 50 45 40 35 77 51 27 30.04 30.01 29.98 10 10 10 17 8 22 T  
7 77 60 43 46 42 37 82 49 33 30.05 30.01 29.98 10 10 10 13 5 16 0.00  
8 80 63 45 50 45 41 89 54 29 30.04 29.99 29.96 10 10 7 14 3 18 0.00  
9 73 60 47 61 53 47 97 80 55 29.96 29.91 29.85 10 8 2 20 5 29 0.34 Rain
10 50 48 45 47 45 43 97 91 82 29.99 29.90 29.78 10 7 2 17 9 23 0.02 Rain
11 59 48 37 49 40 27 100 77 38 30.06 29.93 29.84 10 7 2 29 13 37 T Rain
12 56 46 35 30 27 24 76 52 32 30.13 30.10 30.05 10 10 10 24 10 30 0.00  
13 65 49 32 36 30 25 88 52 24 30.19 30.11 30.00 10 10 10 16 6 22 T  
14 90 71 51 59 49 37 60 48 26 29.96 29.77 29.65 10 10 10 16 10 22 0.00  
15 83 71 58 56 51 44 72 46 26 29.83 29.76 29.64 10 10 10 21 6 26 T  
16 81 66 50 52 46 40 89 51 26 29.97 29.90 29.83 10 10 10 16 5 21 0.00  
17 74 64 54 57 49 41 75 62 53 30.04 30.00 29.95 10 10 7 17 6 22 0.04 Rain
18 79 66 52 64 57 47 89 72 54 30.06 30.01 29.94 10 9 5 13 6 16 0.00  
19 86 72 57 66 60 55 94 70 44 29.95 29.87 29.75 10 7 2 18 8 23 0.00  
20 87 76 65 68 61 55 100 67 33 29.81 29.75 29.70 10 8 1 25 13 33 0.73 Rain , Thunderstorm
21 81 72 63 65 62 59 94 74 52 29.75 29.69 29.66 10 10 7 25 11 32 0.07 Rain
22 72 67 61 65 62 55 100 88 61 29.75 29.67 29.63 10 6 0 18 7 24 1.25 Fog , Rain , Thunderstorm
23 61 49 37 56 47 33 97 86 64 30.31 29.97 29.75 10 8 2 23 12 28 0.24 Rain
24 61 48 34 38 34 27 89 60 33 30.44 30.37 30.30 10 10 10 14 7 20 0.00  
25 58 51 43 43 37 33 73 59 45 30.41 30.35 30.30 10 10 10 12 4 15 T Rain
26 68 55 41 53 44 34 84 66 41 30.30 30.23 30.13 10 10 7 17 7 22 0.03 Rain
27 64 59 53 58 55 50 100 91 78 30.14 29.99 29.86 7 5 2 14 8 17 0.15 Rain , Thunderstorm
28 77 67 57 69 63 55 100 89 76 29.87 29.79 29.73 10 7 1 22 10 32 0.22 Rain , Thunderstorm
29 84 73 62 70 64 60 97 78 58 29.97 29.88 29.78 10 10 8 17 9 22 0.03 Rain
30 83 73 63 71 65 57 100 75 60 29.91 29.86 29.78 10 9 2 28 15 38 0.14 Rain , Thunderstorm
31 76 70 63 68 65 62 97 84 67 29.86 29.80 29.70 10 10 2 22 12 28 0.15 Rain , Thunderstorm