Weather History for Mackinac Island, MI

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Month of October, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 73 °F 53 °F 42 °F
Mean Temperature 68 °F 48 °F 36 °F
Min Temperature 64 °F 43 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 29 17 0 524
Cooling Degree Days (base 65) 4 0 0 4
Growing Degree Days (base 50) 18 3 0 94
Dew Point  
Dew Point 55 °F 42 °F 28 °F
Precipitation  
Precipitation 0.57 in 0.04 in 0.00 in 1.36 in
Snowdepth - - - -
Wind  
Wind 25 mph 5 mph 0 mph
Gust Wind 41 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.32 in 29.95 in 29.16 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 03, 2011 Rise Set
Actual Time 7:39 AM EDT 7:15 PM EDT
Civil Twilight 7:09 AM EDT 7:45 PM EDT
Nautical Twilight 6:34 AM EDT 8:19 PM EDT
Astronomical Twilight 5:59 AM EDT 8:54 PM EDT
Moon 2:53 PM EDT (10/3) No Moon Set
Length of Visible Light 12h 35m
Length of Day
11h 36m
Waxing Crescent, 45% of the Moon is Illuminated
Oct 3
Waxing Crescent
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New

Weather History Calendar

Precipitation Actual month total 1.36 Average Month Total: 3.57
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
50 | 35 0.00
Average:
57 | 44 0.11
Clear
Actual:
55 | 35 0.00
Average:
56 | 43 0.11
Clear
Actual:
64 | 46 0.00
Average:
56 | 43 0.12
Clear
Actual:
62 | 44 0.00
Average:
56 | 43 0.11
Clear
Actual:
57 | 50 0.00
Average:
56 | 43 0.11
Clear
Actual:
62 | 50 0.00
Average:
56 | 43 0.11
Clear
Actual:
69 | 51 0.00
Average:
55 | 43 0.10
Scattered Clouds
Actual:
73 | 64 0.00
Average:
55 | 43 0.10
Clear
Actual:
69 | 57 0.00
Average:
55 | 42 0.10
Scattered Clouds
Actual:
68 | 51 0.00
Average:
54 | 42 0.10
Clear
Actual:
68 | 55 0.00
Average:
53 | 42 0.11
Fog
Actual:
60 | 51 0.00
Average:
53 | 41 0.12
Rain
Actual:
57 | 53 0.00
Average:
52 | 41 0.13
Rain
Actual:
55 | 50 0.27
Average:
52 | 41 0.13
Rain
Actual:
46 | 42 0.16
Average:
51 | 40 0.13
Rain
Actual:
51 | 42 0.03
Average:
50 | 40 0.14
Rain
Actual:
50 | 42 0.06
Average:
50 | 40 0.13
Rain
Actual:
46 | 41 0.00
Average:
49 | 39 0.13
Mostly Cloudy
Actual:
48 | 37 0.00
Average:
49 | 39 0.13
Rain
Actual:
42 | 41 0.57
Average:
49 | 39 0.13
Mostly Cloudy
Actual:
48 | 41 0.20
Average:
48 | 38 0.12
Scattered Clouds
Actual:
51 | 33 0.00
Average:
48 | 38 0.12
Fog
Actual:
48 | 35 0.00
Average:
48 | 38 0.12
Rain
Actual:
46 | 42 0.05
Average:
48 | 37 0.10
Partly Cloudy
Actual:
42 | 37 0.00
Average:
47 | 37 0.10
Rain
Actual:
44 | 39 0.01
Average:
47 | 37 0.10
Partly Cloudy
Actual:
44 | 33 0.00
Average:
47 | 37 0.10
Rain
Actual:
42 | 30 0.00
Average:
46 | 36 0.11
Partly Cloudy
Actual:
44 | 33 0.00
Average:
46 | 36 0.11
Scattered Clouds
Actual:
46 | 33 0.00
Average:
46 | 36 0.12
Rain
Actual:
50 | 42 0.01
Average:
45 | 35 0.12
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

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  
1 50 42 35 39 32 30 87 71 47 30.32 30.26 30.16 10 10 10 14 9 23 0.00  
2 55 45 35 48 40 36 100 85 58 30.25 30.20 30.11 10 10 3 8 2 - 0.00  
3 64 55 46 48 44 37 100 72 42 30.24 30.19 30.13 10 10 10 7 3 - 0.00  
4 62 53 44 52 46 41 100 79 45 30.26 30.23 30.18 10 10 5 8 1 - 0.00  
5 57 54 50 52 48 34 100 80 41 30.32 30.26 30.20 10 10 7 15 5 25 0.00  
6 62 56 50 52 47 37 94 75 58 30.31 30.29 30.26 10 10 7 6 2 - 0.00  
7 69 60 51 55 53 50 100 77 56 30.31 30.26 30.21 10 10 5 6 1 - 0.00  
8 73 68 64 54 52 50 64 56 47 30.26 30.23 30.19 10 7 1 9 6 20 0.00  
9 69 63 57 54 51 50 88 61 49 30.32 30.29 30.23 10 10 7 10 4 17 0.00  
10 68 60 51 54 52 50 100 81 60 30.30 30.24 30.13 10 6 2 7 2 - 0.00  
11 68 62 55 55 52 50 94 74 52 30.11 30.05 29.97 10 8 2 8 4 17 0.00  
12 60 56 51 55 51 46 100 80 63 29.97 29.90 29.81 10 7 0 9 2 - 0.00 Fog
13 57 55 53 55 54 50 100 97 77 29.79 29.64 29.49 10 7 0 8 3 - 0.00 Fog , Rain
14 55 52 50 55 52 46 100 95 82 29.38 29.24 29.16 10 5 0 18 4 30 0.27 Fog , Rain
15 46 44 42 43 42 37 100 91 76 29.38 29.26 29.20 10 8 2 25 16 41 0.16 Rain
16 51 46 42 41 36 32 81 64 54 29.59 29.55 29.46 10 10 3 24 15 34 0.03 Rain
17 50 46 42 41 35 30 93 68 53 29.60 29.49 29.43 10 9 4 24 17 41 0.06 Rain
18 46 44 41 37 37 34 87 78 62 29.83 29.74 29.65 10 10 10 13 10 20 0.00 Rain
19 48 42 37 37 36 34 93 78 62 29.95 29.90 29.82 10 10 10 14 6 26 0.00  
20 42 42 41 39 38 36 93 89 76 29.71 29.49 29.40 10 6 2 22 16 31 0.57 Rain
21 48 44 41 37 35 34 87 77 58 29.94 29.82 29.66 10 10 10 14 9 20 0.20  
22 51 42 33 45 40 34 100 87 71 30.02 29.99 29.98 10 10 10 8 2 - 0.00  
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  
30 46 40 33 39 35 32 100 90 57 30.13 30.09 30.05 10 7 4 6 1 - 0.00  
31 50 46 42 43 39 36 93 80 66 30.05 29.99 29.96 10 10 10 9 4 - 0.01 Rain