Mackinac Island, MI

6:34 AM EDT on September 26, 2017 (GMT -0400)
Mackinac Island

Weather History for KMCD - September, 2011

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 64 °F 53 °F
Mean Temperature 73 °F 58 °F 46 °F
Min Temperature 64 °F 51 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 19 8 0 239
Cooling Degree Days (base 65) 8 0 0 13
Growing Degree Days (base 50) 23 8 0 236
Dew Point  
Dew Point 70 °F 50 °F 32 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 20 mph 4 mph 0 mph
Gust Wind 33 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.42 in 29.99 in 29.41 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 04, 2011 Rise Set
Actual Time 7:02 AM EDT 8:11 PM EDT
Civil Twilight 6:32 AM EDT 8:42 PM EDT
Nautical Twilight 5:55 AM EDT 9:18 PM EDT
Astronomical Twilight 5:16 AM EDT 9:57 PM EDT
Moon 3:13 PM EDT (9/4) No Moon Set
Length of Visible Light 14h 09m
Length of Day
13h 08m
Waxing Crescent, 49% of the Moon is Illuminated
Sep 4
Waxing Crescent
Sep 4
First Quarter
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New

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 69 64 60 64 62 59 100 92 83 30.02 29.99 29.90 10 6 0 6 3 - 0.00 Fog
2 82 73 64 70 67 63 100 83 62 29.88 29.78 29.70 10 8 4 14 5 28 0.00 Rain
3 68 64 59 63 59 55 100 89 77 29.95 29.89 29.80 10 10 3 6 1 - 0.00 Rain
4 68 64 60 66 59 54 100 82 60 29.83 29.74 29.68 10 10 3 10 6 20 0.00 Rain
5 55 50 44 43 39 37 81 66 51 30.15 30.10 30.00 10 10 10 13 9 22 0.00  
6 59 50 42 45 42 39 100 73 48 30.27 30.23 30.18 10 9 5 6 1 - 0.00  
7 68 56 44 50 45 43 100 74 40 30.28 30.23 30.19 10 10 2 8 1 - 0.00  
8 73 63 53 55 53 45 100 74 38 30.21 30.15 30.07 10 9 4 6 4 - 0.00  
9 78 66 53 61 55 50 100 77 44 30.07 30.01 29.96 10 10 3 5 0 - 0.00  
10 68 62 55 57 54 50 100 74 56 30.09 30.04 30.00 10 10 7 9 4 18 0.00  
11 73 66 59 61 57 52 94 74 47 30.00 29.93 29.85 10 10 10 10 4 22 0.00  
12 75 68 62 64 61 55 94 78 50 29.88 29.82 29.67 10 9 3 7 4 - 0.00  
13 73 60 44 61 48 41 100 79 61 29.90 29.78 29.54 10 10 7 17 8 29 0.00 Rain
14 59 54 48 52 39 32 88 62 44 30.06 29.94 29.82 10 10 10 14 8 23 0.00  
15 55 48 41 39 36 34 87 67 44 30.30 30.20 30.11 10 10 10 13 10 21 0.00 Rain
16 55 46 37 43 36 34 100 68 47 30.41 30.36 30.32 10 10 7 8 3 - 0.00  
17 59 50 42 45 43 41 100 72 51 30.42 30.37 30.34 10 10 7 7 2 - 0.00  
18 62 55 48 54 48 45 87 77 55 30.36 30.28 30.12 10 10 10 10 3 23 0.00  
19 59 56 53 55 54 50 100 92 77 30.06 29.88 29.80 10 7 2 9 3 - 0.00 Rain
20 68 59 50 54 52 50 100 80 56 30.05 30.01 29.97 10 10 5 6 1 - 0.00 Rain
21 64 60 57 59 53 50 100 82 68 29.97 29.84 29.77 10 9 4 13 5 23 0.00 Rain
22 57 54 51 52 49 41 94 83 67 30.09 29.96 29.84 10 10 7 9 6 20 0.00  
23 60 53 46 50 46 41 100 78 48 30.12 30.08 30.02 10 10 7 8 0 - 0.00 Rain
24 60 56 51 55 53 50 100 92 72 30.05 30.00 29.97 10 8 2 8 4 - 0.00 Rain
25 60 55 50 54 51 48 100 86 63 30.16 30.10 30.02 10 8 0 9 2 - 0.00 Fog
26 60 58 55 57 54 50 94 84 72 30.00 29.90 29.81 10 10 7 8 5 17 0.00 Rain
27 60 58 55 59 57 55 100 96 88 29.85 29.82 29.78 10 3 0 7 2 - 0.00 Fog , Rain
28 62 56 50 55 51 45 100 84 52 29.88 29.84 29.79 10 6 0 7 0 - 0.00 Fog
29 62 56 50 55 52 50 100 92 77 29.78 29.60 29.41 10 7 0 7 1 - 0.00 Fog , Rain
30 53 46 39 54 38 32 100 81 61 30.13 29.83 29.47 10 10 4 20 14 33 0.00 Rain