Weather History for Mackinac Island, MI

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Friday, September 30, 2011

  Actual Average Record
Temperature  
Mean Temperature 46 °F -  
Max Temperature 53 °F 57 °F 73 °F (1982)
Min Temperature 39 °F 44 °F 30 °F (1993)
Degree Days  
Heating Degree Days 19    
Moisture  
Dew Point 38 °F    
Average Humidity 81    
Maximum Humidity 100    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 14 mph (North)    
Max Wind Speed 20 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events Rain    
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. 30, 2011 Rise Set
Actual Time 7:35 AM EDT 7:21 PM EDT
Civil Twilight 7:05 AM EDT 7:50 PM EDT
Nautical Twilight 6:30 AM EDT 8:25 PM EDT
Astronomical Twilight 5:55 AM EDT 9:00 PM EDT
Moon 11:48 AM EDT (9/30) 9:04 PM EDT (9/30)
Length of Visible Light 12h 45m
Length of Day
11h 45m
Waxing Crescent, 15% of the Moon is Illuminated
Sep 30
Waxing Crescent
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New

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 53.6 °F - 53.6 °F 100% 29.47 in 7.0 mi NNE 8.1 mph - N/A   Overcast
12:35 AM 53.6 °F - 51.8 °F 94% 29.48 in 10.0 mi NNE 12.7 mph 18.4 mph N/A   Overcast
12:55 AM 51.8 °F - 50.0 °F 94% 29.49 in 10.0 mi NNE 12.7 mph 25.3 mph N/A   Overcast
1:15 AM 50.0 °F - 48.2 °F 94% 29.51 in 10.0 mi NNE 11.5 mph 25.3 mph N/A   Overcast
1:55 AM 48.2 °F - 46.4 °F 93% 29.54 in 10.0 mi North 12.7 mph 24.2 mph N/A Rain Rain
2:15 AM 46.4 °F 39.8 °F 44.6 °F 93% 29.55 in 10.0 mi North 16.1 mph 27.6 mph N/A Rain Rain
2:35 AM 46.4 °F 39.5 °F 44.6 °F 93% 29.56 in 10.0 mi North 17.3 mph 28.8 mph N/A   Overcast
2:55 AM 46.4 °F 39.2 °F 42.8 °F 87% 29.58 in 10.0 mi North 18.4 mph 26.5 mph N/A   Overcast
3:15 AM 44.6 °F 37.4 °F 42.8 °F 93% 29.59 in 10.0 mi North 16.1 mph 29.9 mph N/A Rain Light Rain
3:35 AM 44.6 °F 36.9 °F 42.8 °F 93% 29.60 in 10.0 mi North 18.4 mph 28.8 mph N/A Rain Light Rain
3:55 AM 44.6 °F 37.2 °F 42.8 °F 93% 29.61 in 10.0 mi North 17.3 mph 27.6 mph N/A Rain Light Rain
4:15 AM 42.8 °F 35.8 °F 41.0 °F 93% 29.63 in 10.0 mi North 13.8 mph 33.4 mph N/A Rain Light Rain
4:35 AM 42.8 °F 34.8 °F 41.0 °F 93% 29.63 in 4.0 mi North 17.3 mph 28.8 mph N/A   Overcast
4:55 AM 42.8 °F 35.8 °F 42.8 °F 100% 29.63 in 10.0 mi North 13.8 mph 27.6 mph N/A Rain Light Rain
5:15 AM 42.8 °F 34.8 °F 41.0 °F 93% 29.64 in 7.0 mi NNE 17.3 mph 26.5 mph N/A Rain Light Rain
5:34 AM 42.8 °F 34.8 °F 41.0 °F 93% 29.66 in 4.0 mi NNE 17.3 mph 29.9 mph N/A   Overcast
5:55 AM 41.0 °F 32.5 °F 39.2 °F 93% 29.67 in 5.0 mi North 17.3 mph 29.9 mph N/A   Overcast
6:15 AM 41.0 °F 31.9 °F 39.2 °F 93% 29.68 in 10.0 mi North 19.6 mph 32.2 mph N/A Rain Light Rain
6:35 AM 41.0 °F 32.5 °F 37.4 °F 87% 29.70 in 10.0 mi North 17.3 mph 29.9 mph N/A   Overcast
6:55 AM 41.0 °F 32.5 °F 37.4 °F 87% 29.71 in 10.0 mi North 17.3 mph 33.4 mph N/A   Overcast
7:15 AM 41.0 °F 31.9 °F 39.2 °F 93% 29.73 in 10.0 mi North 19.6 mph 27.6 mph N/A   Overcast
7:34 AM 41.0 °F 32.8 °F 39.2 °F 93% 29.74 in 10.0 mi North 16.1 mph 28.8 mph N/A Rain Light Rain
7:55 AM 41.0 °F 32.2 °F 37.4 °F 87% 29.76 in 10.0 mi NNE 18.4 mph 27.6 mph N/A Rain Light Rain
8:15 AM 41.0 °F 32.8 °F 37.4 °F 87% 29.77 in 7.0 mi NNE 16.1 mph 31.1 mph N/A Rain Light Rain
8:35 AM 41.0 °F 32.8 °F 37.4 °F 87% 29.78 in 10.0 mi North 16.1 mph 25.3 mph N/A Rain Light Rain
8:55 AM 41.0 °F 32.8 °F 37.4 °F 87% 29.80 in 10.0 mi North 16.1 mph 25.3 mph N/A Rain Light Rain
9:15 AM 41.0 °F 32.8 °F 37.4 °F 87% 29.81 in 10.0 mi North 16.1 mph 28.8 mph N/A Rain Light Rain
9:35 AM 41.0 °F 32.2 °F 37.4 °F 87% 29.81 in 10.0 mi North 18.4 mph 26.5 mph N/A Rain Light Rain
9:55 AM 41.0 °F 31.9 °F 37.4 °F 87% 29.83 in 5.0 mi North 19.6 mph 29.9 mph N/A   Overcast
10:14 AM 39.2 °F 30.5 °F 37.4 °F 93% 29.84 in 10.0 mi North 16.1 mph 28.8 mph N/A Rain Light Rain
10:35 AM 39.2 °F 29.8 °F 37.4 °F 93% 29.85 in 10.0 mi NNE 18.4 mph 28.8 mph N/A Rain Light Rain
11:15 AM 41.0 °F 33.1 °F 37.4 °F 87% 29.87 in 10.0 mi North 15.0 mph 24.2 mph N/A Rain Light Rain
11:35 AM 41.0 °F 33.1 °F 37.4 °F 87% 29.87 in 10.0 mi North 15.0 mph 26.5 mph N/A Rain Light Rain
11:54 AM 41.0 °F 34.3 °F 37.4 °F 87% 29.88 in 10.0 mi North 11.5 mph 24.2 mph N/A   Overcast
12:15 PM 41.0 °F 33.1 °F 37.4 °F 87% 29.89 in 10.0 mi North 15.0 mph 20.7 mph N/A Rain Light Rain
12:35 PM 41.0 °F 33.1 °F 37.4 °F 87% 29.90 in 10.0 mi North 15.0 mph 23.0 mph N/A Rain Light Rain
12:55 PM 41.0 °F 33.1 °F 37.4 °F 87% 29.90 in 10.0 mi North 15.0 mph 20.7 mph N/A   Overcast
1:14 PM 42.8 °F 37.0 °F 35.6 °F 76% 29.91 in 10.0 mi North 10.4 mph 21.9 mph N/A   Overcast
1:35 PM 42.8 °F 35.4 °F 35.6 °F 76% 29.91 in 10.0 mi North 15.0 mph 26.5 mph N/A   Mostly Cloudy
2:35 PM 44.6 °F 37.8 °F 33.8 °F 66% 29.93 in 10.0 mi North 15.0 mph 25.3 mph N/A   Mostly Cloudy
2:55 PM 44.6 °F 38.8 °F 33.8 °F 66% 29.93 in 10.0 mi North 11.5 mph 20.7 mph N/A   Mostly Cloudy
3:15 PM 44.6 °F 37.2 °F 33.8 °F 66% 29.94 in 10.0 mi North 17.3 mph 31.1 mph N/A   Mostly Cloudy
3:34 PM 44.6 °F 38.4 °F 33.8 °F 66% 29.95 in 10.0 mi North 12.7 mph 24.2 mph N/A   Mostly Cloudy
3:55 PM 44.6 °F 38.1 °F 33.8 °F 66% 29.95 in 10.0 mi North 13.8 mph 24.2 mph N/A   Mostly Cloudy
4:15 PM 44.6 °F 39.2 °F 33.8 °F 66% 29.96 in 10.0 mi North 10.4 mph 25.3 mph N/A   Scattered Clouds
4:35 PM 44.6 °F 38.4 °F 33.8 °F 66% 29.97 in 10.0 mi North 12.7 mph 26.5 mph N/A   Mostly Cloudy
4:55 PM 44.6 °F 38.1 °F 33.8 °F 66% 29.97 in 10.0 mi North 13.8 mph 24.2 mph N/A   Mostly Cloudy
5:14 PM 44.6 °F 36.9 °F 32.0 °F 61% 29.98 in 10.0 mi North 18.4 mph 25.3 mph N/A   Scattered Clouds
5:35 PM 44.6 °F 38.8 °F 32.0 °F 61% 29.99 in 10.0 mi North 11.5 mph 24.2 mph N/A   Mostly Cloudy
5:54 PM 44.6 °F 38.4 °F 32.0 °F 61% 30.00 in 10.0 mi North 12.7 mph 21.9 mph N/A   Mostly Cloudy
6:15 PM 44.6 °F 37.4 °F 32.0 °F 61% 30.01 in 10.0 mi North 16.1 mph 23.0 mph N/A   Mostly Cloudy
6:35 PM 44.6 °F 38.4 °F 32.0 °F 61% 30.02 in 10.0 mi NNE 12.7 mph 23.0 mph N/A   Scattered Clouds
7:15 PM 44.6 °F 37.4 °F 32.0 °F 61% 30.03 in 10.0 mi NNE 16.1 mph 23.0 mph N/A   Scattered Clouds
7:35 PM 42.8 °F 36.2 °F 32.0 °F 66% 30.04 in 10.0 mi North 12.7 mph 20.7 mph N/A   Scattered Clouds
7:55 PM 42.8 °F 37.5 °F 32.0 °F 66% 30.05 in 10.0 mi North 9.2 mph 18.4 mph N/A   Clear
8:15 PM 42.8 °F 36.2 °F 32.0 °F 66% 30.06 in 10.0 mi North 12.7 mph 24.2 mph N/A   Clear
8:35 PM 42.8 °F 36.2 °F 32.0 °F 66% 30.07 in 10.0 mi NNE 12.7 mph 20.7 mph N/A   Clear
8:55 PM 42.8 °F 37.0 °F 32.0 °F 66% 30.08 in 10.0 mi NNE 10.4 mph 21.9 mph N/A   Clear
9:15 PM 41.0 °F 35.2 °F 32.0 °F 70% 30.09 in 10.0 mi NNE 9.2 mph 20.7 mph N/A   Clear
9:35 PM 41.0 °F 34.3 °F 32.0 °F 70% 30.10 in 10.0 mi NNE 11.5 mph 19.6 mph N/A   Clear
9:55 PM 41.0 °F 33.9 °F 32.0 °F 70% 30.12 in 10.0 mi NNE 12.7 mph 21.9 mph N/A   Clear
10:15 PM 41.0 °F 34.3 °F 32.0 °F 70% 30.12 in 10.0 mi NNE 11.5 mph 26.5 mph N/A   Clear
10:35 PM 41.0 °F 32.8 °F 32.0 °F 70% 30.13 in 10.0 mi NNE 16.1 mph 26.5 mph N/A   Clear
11:15 PM 41.0 °F 33.5 °F 32.0 °F 70% 30.14 in 10.0 mi NNE 13.8 mph 26.5 mph N/A   Clear
11:35 PM 41.0 °F 34.3 °F 32.0 °F 70% 30.15 in 10.0 mi NNE 11.5 mph 20.7 mph N/A   Scattered Clouds