Weather History for Mackinac Island, MI

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Thursday, September 27, 2012

  Actual Average Record
Temperature  
Mean Temperature 48 °F -  
Max Temperature 57 °F 59 °F 73 °F (1974)
Min Temperature 38 °F 46 °F 31 °F (1989)
Degree Days  
Heating Degree Days 18    
Moisture  
Dew Point 39 °F    
Average Humidity 74    
Maximum Humidity 95    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 4 mph (North)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 27, 2012 Rise Set
Actual Time 7:32 AM EDT 7:25 PM EDT
Civil Twilight 7:02 AM EDT 7:55 PM EDT
Nautical Twilight 6:27 AM EDT 8:29 PM EDT
Astronomical Twilight 5:52 AM EDT 9:05 PM EDT
Moon 6:00 PM EDT (9/27) 4:54 AM EDT (9/27)
Length of Visible Light 12h 52m
Length of Day
11h 53m
Waxing Gibbous, 94% of the Moon is Illuminated
Sep 27
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 45.1 °F 42.0 °F 39.9 °F 82% 30.21 in 10.0 mi NNW 5.8 mph - N/A   Clear
12:34 AM 44.6 °F 41.4 °F 40.5 °F 85% 30.21 in 10.0 mi NNW 5.8 mph - N/A   Clear
12:55 AM 43.3 °F 39.9 °F 40.3 °F 89% 30.21 in 10.0 mi NNW 5.8 mph - N/A   Clear
1:34 AM 42.8 °F 39.3 °F 40.1 °F 90% 30.21 in 10.0 mi NNW 5.8 mph - N/A   Clear
1:55 AM 43.7 °F 41.1 °F 40.3 °F 88% 30.22 in 10.0 mi NW 4.6 mph - N/A   Clear
2:14 AM 43.0 °F 40.3 °F 40.1 °F 90% 30.22 in 10.0 mi NW 4.6 mph - N/A   Clear
2:34 AM 41.7 °F 38.8 °F 39.6 °F 92% 30.22 in 10.0 mi NW 4.6 mph - N/A   Clear
3:14 AM 41.7 °F 38.8 °F 39.6 °F 92% 30.23 in 10.0 mi NW 4.6 mph - N/A   Clear
3:34 AM 40.6 °F 37.5 °F 38.5 °F 92% 30.23 in 10.0 mi WNW 4.6 mph - N/A   Clear
3:55 AM 40.1 °F 36.1 °F 38.1 °F 93% 30.23 in 10.0 mi WNW 5.8 mph - N/A   Clear
4:14 AM 39.4 °F 36.1 °F 37.4 °F 93% 30.23 in 10.0 mi NW 4.6 mph - N/A   Clear
4:35 AM 39.7 °F 35.6 °F 37.8 °F 93% 30.24 in 10.0 mi WNW 5.8 mph - N/A   Clear
4:55 AM 39.2 °F 35.0 °F 37.4 °F 93% 30.25 in 10.0 mi NW 5.8 mph - N/A   Clear
5:14 AM 39.2 °F 35.9 °F 37.6 °F 94% 30.25 in 10.0 mi NNW 4.6 mph - N/A   Clear
5:35 AM 39.2 °F 35.9 °F 37.6 °F 94% 30.25 in 10.0 mi NNW 4.6 mph - N/A   Clear
5:55 AM 39.4 °F - 37.8 °F 94% 30.26 in 10.0 mi Calm Calm - N/A   Clear
6:14 AM 39.2 °F 35.9 °F 37.6 °F 94% 30.27 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:35 AM 38.8 °F 34.6 °F 37.4 °F 95% 30.27 in 10.0 mi NW 5.8 mph - N/A   Clear
6:54 AM 39.2 °F 35.9 °F 37.6 °F 94% 30.27 in 10.0 mi NW 4.6 mph - N/A   Clear
7:14 AM 39.4 °F - 37.9 °F 95% 30.28 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 39.2 °F 37.0 °F 37.6 °F 94% 30.28 in 10.0 mi NW 3.5 mph - N/A   Clear
7:54 AM 38.8 °F 35.4 °F 37.4 °F 95% 30.29 in 10.0 mi North 4.6 mph - N/A   Clear
8:14 AM 39.9 °F 36.7 °F 38.5 °F 95% 30.28 in 10.0 mi NNW 4.6 mph - N/A   Clear
8:35 AM 42.1 °F 39.2 °F 40.6 °F 95% 30.29 in 10.0 mi NW 4.6 mph - N/A   Clear
8:54 AM 44.2 °F 42.7 °F 41.0 °F 88% 30.29 in 10.0 mi WNW 3.5 mph - N/A   Clear
9:15 AM 47.7 °F - 42.3 °F 82% 30.29 in 10.0 mi Calm Calm - N/A   Clear
9:35 AM 49.5 °F - 41.2 °F 73% 30.30 in 10.0 mi NW 3.5 mph - N/A   Clear
9:54 AM 50.4 °F - 40.6 °F 69% 30.30 in 10.0 mi NNW 3.5 mph - N/A   Clear
10:15 AM 51.6 °F - 41.0 °F 67% 30.30 in 10.0 mi NW 3.5 mph - N/A   Clear
10:35 AM 52.2 °F - 41.4 °F 67% 30.30 in 10.0 mi NNW 3.5 mph - N/A   Clear
10:54 AM 52.7 °F - 39.7 °F 61% 30.30 in 10.0 mi NW 3.5 mph - N/A   Clear
11:15 AM 52.7 °F - 38.3 °F 58% 30.30 in 10.0 mi NW 4.6 mph - N/A   Clear
11:35 AM 51.8 °F - 38.8 °F 61% 30.30 in 10.0 mi West 4.6 mph - N/A   Clear
11:54 AM 52.3 °F - 39.4 °F 61% 30.29 in 10.0 mi NW 3.5 mph - N/A   Clear
12:15 PM 54.5 °F - 39.7 °F 57% 30.30 in 10.0 mi Calm Calm - N/A   Clear
12:35 PM 54.3 °F - 39.6 °F 57% 30.29 in 10.0 mi NE 4.6 mph - N/A   Clear
12:54 PM 54.5 °F - 40.1 °F 58% 30.28 in 10.0 mi ENE 3.5 mph - N/A   Clear
1:15 PM 54.7 °F - 39.2 °F 56% 30.27 in 10.0 mi NNE 3.5 mph - N/A   Clear
1:35 PM 56.1 °F - 39.2 °F 53% 30.27 in 10.0 mi ENE 3.5 mph - N/A   Clear
1:54 PM 55.9 °F - 37.6 °F 50% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:15 PM 55.4 °F - 35.2 °F 47% 30.26 in 10.0 mi East 3.5 mph - N/A   Clear
2:35 PM 56.3 °F - 36.1 °F 47% 30.25 in 10.0 mi NE 4.6 mph - N/A   Clear
2:54 PM 57.2 °F - 36.9 °F 47% 30.25 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:15 PM 56.5 °F - 37.2 °F 49% 30.24 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
3:35 PM 56.8 °F - 36.9 °F 47% 30.23 in 10.0 mi ENE 3.5 mph - N/A   Clear
3:54 PM 56.8 °F - 37.2 °F 48% 30.23 in 10.0 mi ENE 3.5 mph - N/A   Clear
4:15 PM 56.7 °F - 37.4 °F 49% 30.22 in 10.0 mi ENE 3.5 mph - N/A   Clear
4:35 PM 56.3 °F - 37.4 °F 49% 30.22 in 10.0 mi East 4.6 mph - N/A   Clear
4:54 PM 56.3 °F - 37.0 °F 48% 30.22 in 10.0 mi East 3.5 mph - N/A   Clear
5:15 PM 55.8 °F - 37.0 °F 49% 30.21 in 10.0 mi East 3.5 mph - N/A   Clear
5:34 PM 55.2 °F - 36.7 °F 50% 30.21 in 10.0 mi Calm Calm - N/A   Clear
5:54 PM 55.8 °F - 37.9 °F 51% 30.21 in 10.0 mi Calm Calm - N/A   Clear
6:15 PM 55.0 °F - 37.9 °F 53% 30.21 in 10.0 mi Calm Calm - N/A   Clear
6:34 PM 54.5 °F - 38.5 °F 55% 30.21 in 10.0 mi ESE 3.5 mph - N/A   Clear
6:54 PM 53.6 °F - 39.0 °F 58% 30.22 in 10.0 mi SE 5.8 mph - N/A   Clear
7:15 PM 51.8 °F - 39.9 °F 64% 30.22 in 10.0 mi SE 4.6 mph - N/A   Clear
7:34 PM 48.4 °F - 41.4 °F 77% 30.22 in 10.0 mi ESE 5.8 mph - N/A   Clear
7:55 PM 47.3 °F - 41.0 °F 79% 30.22 in 10.0 mi SE 4.6 mph - N/A   Clear
8:15 PM 46.8 °F - 40.3 °F 78% 30.22 in 10.0 mi Calm Calm - N/A   Clear
8:34 PM 45.7 °F - 40.1 °F 81% 30.22 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 44.8 °F 43.3 °F 39.9 °F 83% 30.21 in 10.0 mi North 3.5 mph - N/A   Clear
9:15 PM 45.3 °F 44.0 °F 40.3 °F 83% 30.21 in 10.0 mi North 3.5 mph - N/A   Clear
9:34 PM 44.8 °F - 39.7 °F 82% 30.21 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 44.2 °F - 39.6 °F 84% 30.21 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 45.0 °F - 40.1 °F 83% 30.20 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 44.2 °F - 40.1 °F 85% 30.20 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 43.9 °F 42.3 °F 39.6 °F 85% 30.20 in 10.0 mi SSE 3.5 mph - N/A   Clear
11:34 PM 43.9 °F 42.3 °F 38.8 °F 82% 30.20 in 10.0 mi SSE 3.5 mph - N/A   Clear
11:55 PM 43.0 °F 39.5 °F 37.6 °F 81% 30.20 in 10.0 mi South 5.8 mph - N/A   Clear