Mackinac Island, MI

7:56 PM EST on December 12, 2017 (GMT -0500)
Mackinac Island

Weather History for KMCD - September, 2011

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Week of September 11, 2011 through September 17, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 75 °F 64 °F 55 °F
Mean Temperature 68 °F 56 °F 46 °F
Min Temperature 62 °F 48 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 19 9 0 66
Cooling Degree Days (base 65) 4 1 0 5
Growing Degree Days (base 50) 18 7 0 48
Dew Point  
Dew Point 64 °F 46 °F 32 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 17 mph 6 mph 0 mph
Gust Wind 29 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.42 in 30.06 in 29.54 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Sep. 13, 2011 Rise Set
Actual Time 7:13 AM EDT 7:54 PM EDT
Civil Twilight 6:43 AM EDT 8:24 PM EDT
Nautical Twilight 6:08 AM EDT 8:59 PM EDT
Astronomical Twilight 5:30 AM EDT 9:36 PM EDT
Moon 8:00 PM EDT 8:34 AM EDT
Length of Visible Light 13h 40m
Length of Day
12h 40m
Full, 99% of the Moon is Illuminated
Sep 13
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

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  
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