Weather History for Chicago DuPage, IL

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Month of August, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 83 °F 72 °F
Mean Temperature 80 °F 73 °F 65 °F
Min Temperature 73 °F 63 °F 50 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 15 8 0 259
Growing Degree Days (base 50) 28 23 14 707
Dew Point  
Dew Point 77 °F 63 °F 46 °F
Precipitation  
Precipitation 1.70 in 0.23 in 0.00 in 5.86 in
Snowdepth - - - -
Wind  
Wind 31 mph 7 mph 0 mph
Gust Wind 41 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.17 in 29.99 in 29.69 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 19, 2014 Rise Set
Actual Time 6:05 AM CDT 7:47 PM CDT
Civil Twilight 5:35 AM CDT 8:16 PM CDT
Nautical Twilight 4:59 AM CDT 8:52 PM CDT
Astronomical Twilight 4:20 AM CDT 9:30 PM CDT
Moon 12:55 AM CDT (8/19) 3:45 PM CDT (8/19)
Length of Visible Light 14h 41m
Length of Day
13h 41m
Waning Crescent, 29% of the Moon is Illuminated
Aug 19
Waning Crescent
Aug 25
New
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter

Weather History Calendar

Precipitation Actual month total 5.86 Normal Month Total: 4.60
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
85 | 57 T
Average:
84 | 62 0.17
Clear
Actual:
86 | 56 0.00
Average:
84 | 62 0.18
Scattered Clouds
Actual:
87 | 62 0.00
Average:
84 | 62 0.18
Thunderstorm
Actual:
87 | 63 0.66
Average:
84 | 62 0.18
Partly Cloudy
Actual:
83 | 63 0.00
Average:
84 | 62 0.16
Clear
Actual:
82 | 59 0.00
Average:
84 | 62 0.17
Clear
Actual:
82 | 58 0.00
Average:
83 | 62 0.14
Scattered Clouds
Actual:
83 | 62 0.00
Average:
83 | 62 0.14
Scattered Clouds
Actual:
81 | 62 0.00
Average:
83 | 62 0.15
Rain
Actual:
85 | 64 T
Average:
83 | 62 0.13
Thunderstorm
Actual:
84 | 66 1.41
Average:
83 | 62 0.15
Rain
Actual:
72 | 59 0.25
Average:
83 | 62 0.15
Partly Cloudy
Actual:
82 | 53 0.00
Average:
83 | 62 0.15
Clear
Actual:
76 | 53 0.00
Average:
83 | 62 0.16
Fog
Actual:
79 | 50 0.00
Average:
83 | 62 0.15
Partly Cloudy
Actual:
81 | 58 0.00
Average:
83 | 62 0.16
Partly Cloudy
Actual:
77 | 61 0.00
Average:
83 | 62 0.16
Fog
Actual:
83 | 64 0.00
Average:
82 | 62 0.15
Thunderstorm
Actual:
86 | 67 T
Average:
82 | 62 0.14
Scattered Clouds
Actual:
86 | 62 0.01
Average:
82 | 61 0.14
Thunderstorm
Actual:
81 | 70 1.38
Average:
82 | 61 0.14
Thunderstorm
Actual:
86 | 73 1.70
Average:
82 | 61 0.15
Thunderstorm
Actual:
86 | 67 0.15
Average:
82 | 61 0.14
Partly Cloudy
Actual:
89 | 67 T
Average:
82 | 61 0.15
Rain
Actual:
88 | 69 T
Average:
82 | 60 0.14
Rain
Actual:
87 | 68 0.02
Average:
81 | 60 0.15
Scattered Clouds
Actual:
84 | 63 0.00
Average:
81 | 60 0.15
Rain
Actual:
81 | 63 0.09
Average:
81 | 60 0.12
Thunderstorm
Actual:
87 | 69 T
Average:
81 | 60 0.11
Thunderstorm
Actual:
83 | 68 0.19
Average:
81 | 59 0.12
Fog
Actual:
85 | 68 0.00
Average:
81 | 59 0.12
 

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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 85 71 57 61 59 55 93 66 44 30.14 30.07 30.04 10 9 4 17 6 22 T Rain , Thunderstorm
2 86 71 56 59 56 53 90 61 35 30.17 30.12 30.07 10 10 9 10 4 - 0.00  
3 87 75 62 64 61 57 87 65 43 30.15 30.10 30.06 10 9 7 15 5 21 0.00  
4 87 75 63 66 64 57 94 78 41 30.11 30.06 30.01 10 7 2 16 6 22 0.66 Rain , Thunderstorm
5 83 73 63 66 64 61 97 81 54 30.07 30.03 30.00 10 8 3 13 5 14 0.00  
6 82 71 59 61 57 51 93 68 43 30.08 30.05 30.02 10 9 6 14 4 17 0.00  
7 82 70 58 62 57 53 90 63 39 30.10 30.06 30.02 10 9 2 15 7 19 0.00  
8 83 73 62 62 59 55 90 64 41 30.07 30.05 30.02 10 10 9 18 10 23 0.00  
9 81 72 62 61 58 55 90 64 43 30.10 30.07 30.04 10 9 8 17 8 23 0.00  
10 85 75 64 64 62 59 87 69 51 30.05 30.01 29.94 10 10 8 13 7 21 T Rain
11 84 75 66 68 66 62 96 85 53 29.96 29.88 29.78 10 7 0 17 6 22 1.41 Fog , Rain , Thunderstorm
12 72 66 59 63 58 54 93 80 55 29.97 29.85 29.76 10 9 3 25 11 31 0.25 Rain
13 82 68 53 64 57 51 86 68 50 30.04 30.00 29.98 10 10 10 20 7 26 0.00  
14 76 65 53 57 52 46 90 66 43 30.11 30.07 30.03 10 10 10 14 6 23 0.00  
15 79 65 50 58 52 46 89 66 42 30.10 30.03 29.97 10 10 10 12 5 17 0.00 Fog
16 81 70 58 68 63 57 93 78 64 29.95 29.91 29.89 10 10 7 14 6 19 0.00  
17 77 69 61 65 63 60 94 82 65 29.99 29.96 29.92 10 7 1 14 8 16 0.00  
18 83 74 64 67 64 62 96 84 58 29.93 29.88 29.78 10 5 0 13 4 19 0.00 Fog
19 86 77 67 71 67 62 90 77 48 29.78 29.73 29.69 10 8 6 25 11 33 T Thunderstorm
20 86 74 62 69 65 61 93 73 51 29.94 29.86 29.78 10 10 9 18 7 28 0.01  
21 81 76 70 74 71 67 97 90 76 29.99 29.94 29.88 10 7 1 20 6 26 1.38 Rain , Thunderstorm
22 86 80 73 74 73 69 97 85 63 30.00 29.93 29.88 10 8 1 16 7 20 1.70 Rain , Thunderstorm
23 86 77 67 74 71 66 97 89 72 30.03 29.97 29.89 10 6 0 24 3 33 0.15 Fog , Rain , Thunderstorm
24 89 78 67 75 71 66 96 80 63 30.01 29.98 29.94 10 8 2 12 6 15 T  
25 88 79 69 77 72 63 94 83 58 30.05 30.00 29.94 10 7 3 31 6 41 T Rain
26 87 78 68 71 67 64 87 75 51 30.12 30.07 30.01 10 10 7 30 5 39 0.02 Rain
27 84 74 63 64 62 58 90 75 42 30.14 30.12 30.09 10 10 10 13 5 15 0.00  
28 81 72 63 65 59 54 90 70 42 30.13 30.08 30.01 10 9 5 15 6 18 0.09 Rain
29 87 78 69 73 69 65 90 77 59 30.00 29.93 29.85 10 9 7 16 10 23 T Thunderstorm
30 83 76 68 70 68 65 94 80 60 29.91 29.85 29.81 10 8 1 25 11 31 0.19 Rain , Thunderstorm
31 85 77 68 71 68 65 97 82 55 29.95 29.91 29.85 10 6 0 14 6 18 0.00 Fog