Weather History for Mackinac Island, MI

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Month of July, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 85 °F 77 °F 68 °F
Mean Temperature 77 °F 70 °F 63 °F
Min Temperature 69 °F 62 °F 57 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 2
Cooling Degree Days (base 65) 12 5 0 151
Growing Degree Days (base 50) 27 20 13 613
Dew Point  
Dew Point 70 °F 59 °F 33 °F
Precipitation  
Precipitation 1.15 in 0.09 in 0.00 in 2.89 in
Snowdepth - - - -
Wind  
Wind 21 mph 7 mph 0 mph
Gust Wind 43 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.20 in 29.96 in 29.56 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 09, 2012 Rise Set
Actual Time 5:58 AM EDT 9:29 PM EDT
Civil Twilight 5:20 AM EDT 10:06 PM EDT
Nautical Twilight 4:31 AM EDT 10:55 PM EDT
Astronomical Twilight 3:26 AM EDT 12:00 AM EDT
Moon No Moon Rise 12:48 PM EDT (7/9)
Length of Visible Light 16h 45m
Length of Day
15h 30m
Waning Gibbous, 64% of the Moon is Illuminated
Jul 9
Waning Gibbous
Jul 10
Last Quarter
Jul 19
New
Jul 26
First Quarter
Aug 1
Full

Weather History Calendar

Precipitation Actual month total 2.89 Average Month Total: 2.46
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Scattered Clouds
Actual:
76 | 57 0.00
Average:
68 | 53 0.09
Scattered Clouds
Actual:
84 | 59 0.00
Average:
68 | 53 0.08
Rain
Actual:
75 | 69 0.00
Average:
68 | 54 0.09
Scattered Clouds
Actual:
85 | 66 0.00
Average:
68 | 54 0.09
Rain
Actual:
80 | 67 0.16
Average:
69 | 54 0.09
Rain
Actual:
82 | 66 0.00
Average:
69 | 54 0.09
Rain
Actual:
78 | 61 0.00
Average:
69 | 55 0.08
Scattered Clouds
Actual:
75 | 59 0.00
Average:
70 | 55 0.09
Scattered Clouds
Actual:
75 | 59 0.00
Average:
70 | 55 0.08
Clear
Actual:
75 | 57 0.00
Average:
71 | 56 0.08
Clear
Actual:
77 | 60 0.00
Average:
71 | 56 0.08
Scattered Clouds
Actual:
82 | 64 0.00
Average:
71 | 56 0.07
Clear
Actual:
84 | 62 0.00
Average:
71 | 56 0.08
Rain
Actual:
81 | 68 0.26
Average:
71 | 56 0.07
Rain
Actual:
77 | 66 0.68
Average:
71 | 56 0.07
Fog
Actual:
83 | 67 0.00
Average:
71 | 56 0.07
Rain
Actual:
80 | 65 0.00
Average:
71 | 56 0.08
Clear
Actual:
76 | 61 0.00
Average:
71 | 56 0.07
Scattered Clouds
Actual:
70 | 59 0.00
Average:
71 | 56 0.07
Clear
Actual:
75 | 58 0.00
Average:
71 | 56 0.08
Rain
Actual:
76 | 64 0.00
Average:
71 | 56 0.07
Clear
Actual:
80 | 58 0.00
Average:
71 | 56 0.07
Scattered Clouds
Actual:
84 | 69 0.00
Average:
71 | 57 0.08
Clear
Actual:
79 | 61 0.00
Average:
71 | 57 0.08
Rain
Actual:
68 | 58 0.64
Average:
71 | 57 0.09
Partly Cloudy
Actual:
70 | 61 0.00
Average:
72 | 57 0.08
Partly Cloudy
Actual:
70 | 60 0.00
Average:
72 | 58 0.08
Clear
Actual:
75 | 57 0.00
Average:
72 | 58 0.08
Clear
Actual:
78 | 60 0.00
Average:
72 | 58 0.08
Rain
Actual:
79 | 63 1.15
Average:
72 | 58 0.08
Partly Cloudy
Actual:
73 | 62 0.00
Average:
72 | 58 0.07
 

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

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 76 66 57 59 55 54 87 64 46 29.98 29.94 29.87 10 10 10 13 5 - 0.00  
2 84 72 59 60 55 46 91 57 27 30.04 29.98 29.89 10 10 10 10 3 - 0.00  
3 75 72 69 66 63 59 89 75 60 29.87 29.79 29.75 10 10 10 21 11 31 0.00 Rain
4 85 76 66 67 63 56 90 67 46 29.91 29.83 29.74 10 10 7 10 4 - 0.00  
5 80 74 67 69 66 58 94 77 59 29.92 29.87 29.77 10 9 2 17 7 24 0.16 Rain
6 82 74 66 67 60 53 95 65 38 29.99 29.95 29.91 10 10 4 14 5 21 0.00 Rain
7 78 70 61 63 60 53 97 74 40 30.04 30.01 29.95 10 10 3 18 9 32 0.00 Rain
8 75 67 59 61 56 54 94 69 47 30.10 30.07 30.02 10 10 10 10 6 - 0.00  
9 75 67 59 57 53 45 94 64 34 30.09 30.07 30.04 10 10 7 12 5 17 0.00  
10 75 66 57 59 54 48 94 69 38 30.18 30.14 30.09 10 10 10 8 5 - 0.00  
11 77 68 60 61 55 46 94 59 34 30.20 30.15 30.10 10 10 10 14 6 20 0.00  
12 82 73 64 57 53 46 77 53 30 30.14 30.10 30.08 10 10 10 14 8 21 0.00  
13 84 73 62 63 57 51 83 55 33 30.12 30.09 30.03 10 10 5 10 6 - 0.00  
14 81 74 68 69 64 56 95 71 52 30.06 30.01 29.97 10 9 2 12 7 18 0.26 Rain
15 77 72 66 70 67 65 95 85 69 30.01 29.99 29.96 10 9 1 9 5 - 0.68 Rain
16 83 75 67 70 67 64 97 77 53 30.01 29.86 29.65 10 8 0 18 4 29 0.00 Fog
17 80 72 65 68 65 60 86 75 59 29.90 29.76 29.64 10 10 10 21 13 33 0.00 Rain
18 76 68 61 61 57 50 94 69 42 30.04 29.99 29.90 10 10 10 13 7 16 0.00  
19 70 64 59 61 57 54 87 72 55 30.09 30.05 29.99 10 10 7 14 9 23 0.00  
20 75 66 58 60 57 49 96 71 41 30.15 30.11 30.06 10 10 5 7 5 - 0.00  
21 76 70 64 68 61 53 81 71 60 30.05 29.98 29.93 10 10 7 18 9 28 0.00 Rain
22 80 69 58 61 56 48 91 63 33 30.05 30.00 29.93 10 10 7 9 5 - 0.00  
23 84 77 69 70 64 58 80 68 42 29.93 29.81 29.75 10 10 10 17 10 26 0.00  
24 79 70 61 61 54 47 91 60 35 30.02 29.96 29.87 10 10 10 12 7 20 0.00  
25 68 63 58 63 57 47 95 79 57 29.99 29.79 29.58 10 9 4 17 6 26 0.64 Rain
26 70 66 61 64 62 60 97 89 73 29.80 29.67 29.56 10 8 1 9 4 - 0.00  
27 70 65 60 61 57 55 96 76 58 30.02 29.92 29.80 10 10 4 16 8 21 0.00  
28 75 66 57 61 58 53 96 73 46 30.13 30.09 30.03 10 10 10 12 5 - 0.00  
29 78 69 60 64 54 33 96 66 20 30.10 30.05 29.98 10 10 7 9 4 - 0.00  
30 79 71 63 67 63 57 93 75 55 29.98 29.89 29.79 10 10 1 16 8 43 1.15 Rain
31 73 68 62 67 62 56 94 79 61 29.93 29.87 29.81 10 10 10 13 8 20 0.00