Weather History for Mackinac Island, MI

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Week of March 18, 2012 through March 24, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 74 °F 59 °F 45 °F
Mean Temperature 66 °F 51 °F 42 °F
Min Temperature 58 °F 44 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 22 14 0 98
Cooling Degree Days (base 65) 1 0 0 1
Growing Degree Days (base 50) 16 4 0 28
Dew Point  
Dew Point 56 °F 45 °F 30 °F
Precipitation  
Precipitation 0.26 in 0.05 in 0.00 in 0.35 in
Snowdepth - - - -
Wind  
Wind 15 mph 4 mph 0 mph
Gust Wind 29 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.24 in 30.05 in 29.92 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Mar. 23, 2012 Rise Set
Actual Time 7:34 AM EDT 7:55 PM EDT
Civil Twilight 7:05 AM EDT 8:25 PM EDT
Nautical Twilight 6:29 AM EDT 9:00 PM EDT
Astronomical Twilight 5:53 AM EDT 9:37 PM EDT
Moon 7:37 AM EDT (3/23) 9:24 PM EDT (3/23)
Length of Visible Light 13h 20m
Length of Day
12h 20m
New Moon, 1% of the Moon is Illuminated
Mar 23
New Moon
Mar 30
First Quarter
Apr 6
Full
Apr 13
Last Quarter
Apr 21
New

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Mar high avg low high avg low high avg low high avg low high avg low high avg high sum  
18 66 54 42 54 48 39 93 72 55 30.03 30.01 29.96 10 10 10 8 1 - 0.00  
19 51 44 37 44 41 36 98 90 71 30.04 30.01 29.97 10 9 0 9 3 - 0.00 Fog
20 70 58 45 56 50 43 91 76 51 30.06 30.02 30.00 10 10 7 10 3 - 0.00  
21 74 66 58 54 51 49 71 61 47 30.10 30.07 30.03 10 10 10 12 4 24 0.00  
22 54 50 45 52 49 44 98 92 83 30.24 30.17 30.10 10 9 2 10 4 18 0.26 Rain
23 50 46 41 47 44 40 97 92 87 30.19 30.13 30.04 10 9 2 15 7 29 0.09 Rain
24 45 42 40 36 33 30 76 67 56 30.01 29.95 29.92 10 10 10 13 8 24 0.00 Rain