Weather History for Mackinac Island, MI

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Week of October 23, 2011 through October 29, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 48 °F 44 °F 42 °F
Mean Temperature 44 °F 40 °F 36 °F
Min Temperature 42 °F 36 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 29 25 21 176
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 45 °F 36 °F 28 °F
Precipitation  
Precipitation 0.05 in 0.01 in 0.00 in 0.06 in
Snowdepth - - - -
Wind  
Wind 20 mph 3 mph 0 mph
Gust Wind 30 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.15 in 29.97 in 29.65 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Oct. 23, 2011 Rise Set
Actual Time 8:05 AM EDT 6:39 PM EDT
Civil Twilight 7:35 AM EDT 7:09 PM EDT
Nautical Twilight 7:00 AM EDT 7:44 PM EDT
Astronomical Twilight 6:26 AM EDT 8:18 PM EDT
Moon 4:01 AM EDT (10/23) 4:38 PM EDT (10/23)
Length of Visible Light 11h 34m
Length of Day
10h 33m
Waning Crescent, 14% of the Moon is Illuminated
Oct 23
Waning Crescent
Oct 26
New
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
23 48 42 35 45 41 36 100 96 81 30.00 29.92 29.82 10 7 0 5 0 - 0.00 Fog
24 46 44 42 45 40 32 93 80 61 29.99 29.77 29.65 10 10 7 20 8 30 0.05 Rain
25 42 40 37 36 33 32 81 72 66 30.11 30.07 30.00 10 10 7 12 6 17 0.00  
26 44 42 39 36 35 32 87 77 61 29.98 29.95 29.92 10 10 5 9 5 - 0.01 Rain
27 44 38 33 36 35 32 100 85 61 29.97 29.94 29.92 10 10 10 12 2 17 0.00  
28 42 36 30 36 32 28 100 85 70 30.15 30.10 30.04 10 10 10 8 1 - 0.00 Rain
29 44 38 33 37 35 32 100 84 76 30.07 30.02 29.99 10 9 5 5 1 - 0.00