Weather History for Chicago Lansing, IL

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 74 °F 59 °F
Mean Temperature 78 °F 62 °F 48 °F
Min Temperature 72 °F 52 °F 33 °F
Degree Days  
Heating Degree Days (base 65) 16 5 0 144
Cooling Degree Days (base 65) 13 2 0 71
Growing Degree Days (base 50) 28 12 0 373
Dew Point  
Dew Point 73 °F 51 °F 26 °F
Precipitation  
Precipitation 0.17 in 0.01 in 0.00 in 0.38 in
Snowdepth - - - -
Wind  
Wind 25 mph 5 mph 0 mph
Gust Wind 36 mph 20 mph 10 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.02 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 08, 2012 Rise Set
Actual Time 6:23 AM CDT 7:10 PM CDT
Civil Twilight 5:55 AM CDT 7:38 PM CDT
Nautical Twilight 5:22 AM CDT 8:11 PM CDT
Astronomical Twilight 4:47 AM CDT 8:46 PM CDT
Moon 11:50 PM CDT (9/8) 2:10 PM CDT (9/8)
Length of Visible Light 13h 42m
Length of Day
12h 46m
Waning Gibbous, 48% of the Moon is Illuminated
Sep 8
Waning Gibbous
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
77 | 72 0.00
Average:
- | - -
Rain
Actual:
83 | 72 0.00
Average:
- | - -
Clear
Actual:
83 | 70 0.00
Average:
- | - -
Thunderstorm
Actual:
86 | 70 0.00
Average:
- | - -
Thunderstorm
Actual:
83 | 63 0.00
Average:
- | - -
Scattered Clouds
Actual:
84 | 62 0.00
Average:
- | - -
Thunderstorm
Actual:
78 | 59 0.01
Average:
- | - -
Rain
Actual:
72 | 55 0.17
Average:
- | - -
Rain
Actual:
70 | 53 0.01
Average:
- | - -
Clear
Actual:
75 | 47 0.00
Average:
- | - -
Clear
Actual:
81 | 50 0.00
Average:
- | - -
Scattered Clouds
Actual:
84 | 54 0.00
Average:
- | - -
Rain
Actual:
72 | 56 0.11
Average:
- | - -
Rain
Actual:
73 | 52 0.05
Average:
- | - -
Clear
Actual:
77 | 48 0.00
Average:
- | - -
Clear
Actual:
77 | 46 0.00
Average:
- | - -
Thunderstorm
Actual:
77 | 53 0.01
Average:
- | - -
Partly Cloudy
Actual:
63 | 43 0.01
Average:
- | - -
Rain
Actual:
72 | 38 0.00
Average:
- | - -
Clear
Actual:
72 | 48 0.00
Average:
- | - -
Rain
Actual:
64 | 43 0.01
Average:
- | - -
Thunderstorm
Actual:
59 | 46 0.00
Average:
- | - -
Scattered Clouds
Actual:
61 | 37 0.00
Average:
- | - -
Clear
Actual:
70 | 33 0.00
Average:
- | - -
Partly Cloudy
Actual:
73 | 48 0.00
Average:
- | - -
Fog
Actual:
68 | 55 0.00
Average:
- | - -
Scattered Clouds
Actual:
66 | 48 0.00
Average:
- | - -
Scattered Clouds
Actual:
66 | 43 0.00
Average:
- | - -
Fog
Actual:
76 | 41 0.00
Average:
- | - -
Scattered Clouds
Actual:
65 | 43 0.00
Average:
- | - -
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 77 74 72 72 70 65 94 87 76 30.08 30.02 29.95 10 9 2 10 4 16 0.00 Rain , Thunderstorm
2 83 77 72 73 71 70 93 84 68 29.95 29.90 29.86 10 9 5 16 8 21 0.00 Rain
3 83 76 70 71 70 68 94 80 65 29.93 29.91 29.88 10 9 4 10 6 - 0.00  
4 86 78 70 73 69 62 94 78 57 29.91 29.88 29.83 10 9 4 22 3 36 0.00 Rain , Thunderstorm
5 83 72 63 68 64 59 96 78 52 29.96 29.84 29.79 10 10 7 22 9 31 0.00 Rain , Thunderstorm
6 84 73 62 67 60 52 98 67 33 29.94 29.90 29.84 10 9 3 12 3 - 0.00  
7 78 68 59 67 61 54 93 82 61 29.95 29.84 29.75 10 10 5 18 4 31 0.01 Rain , Thunderstorm
8 72 63 55 55 49 43 92 63 36 29.91 29.86 29.82 10 10 7 14 9 23 0.17 Rain
9 70 62 53 56 53 45 96 75 48 30.15 30.02 29.84 10 10 7 16 7 30 0.01 Rain
10 75 61 47 53 49 44 97 67 37 30.24 30.17 30.11 10 10 10 9 2 - 0.00  
11 81 66 50 56 52 47 88 62 33 30.19 30.13 30.08 10 10 10 18 7 25 0.00  
12 84 69 54 59 54 49 91 62 32 30.19 30.15 30.10 10 10 10 15 7 22 0.00  
13 72 64 56 62 58 54 96 79 66 30.31 30.24 30.16 10 10 5 20 7 30 0.11 Rain
14 73 62 52 56 48 38 97 67 29 30.35 30.31 30.28 10 10 4 8 4 - 0.05 Rain
15 77 62 48 51 44 34 91 57 21 30.32 30.24 30.16 10 10 10 9 1 - 0.00  
16 77 62 46 53 47 43 95 63 29 30.15 30.07 29.99 10 10 10 12 2 18 0.00  
17 77 65 53 62 56 50 94 78 47 29.99 29.87 29.74 10 9 5 12 4 18 0.01 Rain , Thunderstorm
18 63 52 43 54 39 29 87 58 30 30.04 29.90 29.77 10 10 10 20 9 34 0.01  
19 72 54 38 44 38 34 93 56 27 30.11 29.99 29.86 10 10 10 25 7 33 0.00 Rain
20 72 60 48 50 41 31 90 51 25 29.95 29.90 29.85 10 10 10 20 9 29 0.00  
21 64 54 43 52 45 35 95 72 35 29.95 29.88 29.79 10 10 10 13 4 16 0.01 Rain
22 59 52 46 50 41 32 98 70 44 30.17 29.98 29.80 10 9 2 22 7 34 0.00 Rain , Thunderstorm
23 61 48 37 39 36 29 92 64 32 30.26 30.22 30.17 10 10 10 12 5 20 0.00  
24 70 52 33 38 33 26 90 53 20 30.24 30.10 29.94 10 10 10 21 6 25 0.00  
25 73 60 48 61 51 38 96 71 48 29.95 29.88 29.84 10 10 5 15 6 22 0.00  
26 68 62 55 63 54 43 100 77 53 30.16 30.01 29.87 10 7 0 14 4 22 0.00 Fog
27 66 57 48 49 46 42 88 67 50 30.20 30.16 30.14 10 10 10 12 6 17 0.00  
28 66 54 43 54 49 42 97 79 57 30.16 30.13 30.11 10 10 2 14 6 20 0.00  
29 76 58 41 51 44 38 100 67 25 30.13 30.05 29.96 10 8 0 13 3 18 0.00 Fog
30 65 54 43 53 46 37 97 72 35 29.99 29.95 29.93 10 9 1 15 4 22 0.00