Weather History for Detroit, MI

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 99 °F 72 °F 55 °F
Mean Temperature 86 °F 64 °F 48 °F
Min Temperature 73 °F 57 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 16 4 0 126
Cooling Degree Days (base 65) 20 3 0 94
Growing Degree Days (base 50) 36 14 0 416
Dew Point  
Dew Point 75 °F 56 °F 30 °F
Precipitation  
Precipitation 1.72 in 0.22 in 0.00 in 6.67 in
Snowdepth - - - -
Wind  
Wind 21 mph 6 mph 0 mph
Gust Wind 33 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 29.99 in 29.50 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 05, 2011 Rise Set
Actual Time 7:01 AM EDT 7:59 PM EDT
Civil Twilight 6:32 AM EDT 8:28 PM EDT
Nautical Twilight 5:58 AM EDT 9:02 PM EDT
Astronomical Twilight 5:22 AM EDT 9:37 PM EDT
Moon 3:50 PM EDT (9/5) 12:10 AM EDT (9/5)
Length of Visible Light 13h 55m
Length of Day
12h 58m
First Quarter, 60% of the Moon is Illuminated
Sep 5
First Quarter
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

Precipitation Actual month total 6.67 Average Month Total: 1.38
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
93 | 71 0.01
Average:
79 | 61 0.02
Clear
Actual:
99 | 73 0.00
Average:
78 | 61 0.04
Rain
Actual:
96 | 72 0.09
Average:
77 | 60 0.04
Rain
Actual:
77 | 66 0.36
Average:
78 | 60 0.00
Partly Cloudy
Actual:
64 | 53 0.00
Average:
78 | 61 0.09
Overcast
Actual:
64 | 54 0.00
Average:
77 | 60 0.03
Rain
Actual:
61 | 55 0.79
Average:
77 | 59 0.00
Rain
Actual:
66 | 60 0.69
Average:
78 | 59 0.00
Rain
Actual:
77 | 62 0.28
Average:
77 | 58 0.00
Rain
Actual:
75 | 62 1.72
Average:
77 | 58 0.00
Rain
Actual:
78 | 64 0.12
Average:
75 | 58 0.01
Rain
Actual:
82 | 61 0.12
Average:
75 | 57 0.08
Partly Cloudy
Actual:
81 | 64 0.03
Average:
75 | 58 0.09
Rain
Actual:
70 | 51 0.29
Average:
74 | 55 0.01
Scattered Clouds
Actual:
61 | 46 0.00
Average:
72 | 55 0.01
Clear
Actual:
61 | 45 0.00
Average:
71 | 56 0.02
Scattered Clouds
Actual:
64 | 53 0.00
Average:
72 | 57 0.09
Clear
Actual:
68 | 51 0.00
Average:
73 | 56 0.08
Rain
Actual:
66 | 60 0.59
Average:
73 | 55 0.00
Scattered Clouds
Actual:
87 | 52 0.00
Average:
72 | 55 0.09
Partly Cloudy
Actual:
75 | 62 0.00
Average:
68 | 54 0.13
Partly Cloudy
Actual:
72 | 54 0.00
Average:
69 | 52 0.00
Rain
Actual:
59 | 52 0.73
Average:
67 | 51 0.04
Scattered Clouds
Actual:
66 | 46 0.00
Average:
67 | 49 0.00
Partly Cloudy
Actual:
73 | 55 0.00
Average:
68 | 51 0.00
Thunderstorm
Actual:
71 | 55 0.58
Average:
69 | 53 0.12
Rain
Actual:
69 | 50 0.08
Average:
69 | 51 0.08
Rain
Actual:
64 | 55 0.05
Average:
67 | 50 0.07
Rain
Actual:
64 | 53 0.13
Average:
66 | 49 0.23
Rain
Actual:
55 | 42 0.01
Average:
67 | 50 0.01
 

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

2011 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 93 80 71 72 69 66 90 73 50 30.02 29.97 29.93 10 7 5 9 4 - 0.01  
2 99 86 73 75 71 66 94 71 35 29.95 29.92 29.87 10 6 2 14 3 20 0.00  
3 96 84 72 72 69 63 91 67 38 29.93 29.87 29.79 10 8 4 20 5 28 0.09 Rain
4 77 72 66 69 64 53 94 78 57 29.87 29.82 29.79 10 9 1 15 9 21 0.36 Rain
5 64 59 53 55 50 44 94 72 60 30.10 29.99 29.88 10 10 6 17 10 25 0.00  
6 64 59 54 53 50 45 81 71 63 30.16 30.12 30.09 10 10 10 16 10 23 0.00  
7 61 58 55 61 57 50 100 92 77 30.12 30.05 30.01 10 5 1 15 10 26 0.79 Rain
8 66 63 60 64 61 59 100 94 88 30.02 30.00 29.98 10 6 1 14 11 22 0.69 Rain
9 77 68 62 68 64 61 100 91 78 29.98 29.95 29.90 10 8 2 8 5 - 0.28 Rain
10 75 68 62 70 63 60 100 94 61 30.04 30.00 29.95 10 6 1 9 3 - 1.72 Rain
11 78 71 64 66 64 59 97 82 52 30.05 30.00 29.95 10 8 2 8 2 - 0.12 Rain
12 82 72 61 66 62 60 97 75 48 30.00 29.93 29.86 10 8 2 16 7 29 0.12 Rain
13 81 72 64 64 60 55 81 68 54 29.94 29.82 29.77 10 10 7 17 11 24 0.03  
14 70 60 51 55 49 45 100 72 42 30.07 30.00 29.95 10 9 2 12 5 18 0.29 Rain
15 61 53 46 42 37 32 76 57 36 30.33 30.23 30.09 10 10 10 17 9 23 0.00  
16 61 52 45 41 37 30 80 56 31 30.43 30.38 30.35 10 10 10 9 4 - 0.00  
17 64 58 53 49 45 39 80 65 48 30.41 30.37 30.33 10 10 10 8 5 - 0.00  
18 68 58 51 58 53 48 94 77 54 30.36 30.28 30.14 10 10 10 13 7 18 0.00  
19 66 63 60 65 62 55 100 92 73 30.12 29.95 29.87 10 6 2 16 9 24 0.59 Rain
20 87 62 52 61 55 51 97 81 55 30.12 30.06 29.99 10 10 5 7 4 - 0.00  
21 75 68 62 66 63 49 97 82 56 30.06 29.97 29.90 10 8 2 16 7 21 0.00  
22 72 63 54 54 51 48 86 66 47 30.12 30.06 30.00 10 10 9 14 4 - 0.00  
23 59 56 52 55 54 51 100 93 81 30.12 30.03 29.97 10 8 3 7 4 - 0.73 Rain
24 66 56 46 56 51 45 100 81 56 30.08 30.06 30.02 10 10 9 10 3 - 0.00  
25 73 64 55 64 60 53 100 88 71 30.07 30.01 29.90 10 8 3 10 5 16 0.00  
26 71 64 55 65 63 54 100 93 76 29.88 29.82 29.75 10 7 1 17 7 21 0.58 Rain , Thunderstorm
27 69 60 50 57 53 48 100 82 46 29.88 29.86 29.83 10 9 5 14 3 18 0.08 Rain
28 64 59 55 57 55 52 97 86 70 29.83 29.81 29.78 10 9 7 10 5 - 0.05 Rain
29 64 58 53 57 54 49 100 87 70 29.78 29.67 29.51 10 8 4 15 5 21 0.13 Rain
30 55 48 42 54 48 37 100 90 79 29.94 29.70 29.50 10 9 2 21 12 33 0.01 Rain