Weather History for Mackinac Island, MI

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 73 °F 60 °F
Mean Temperature 74 °F 65 °F 54 °F
Min Temperature 69 °F 58 °F 49 °F
Degree Days  
Heating Degree Days (base 65) 10 2 0 56
Cooling Degree Days (base 65) 9 2 0 70
Growing Degree Days (base 50) 24 15 4 477
Dew Point  
Dew Point 70 °F 58 °F 43 °F
Precipitation  
Precipitation 0.75 in 0.07 in 0.00 in 2.14 in
Snowdepth - - - -
Wind  
Wind 21 mph 7 mph 0 mph
Gust Wind 32 mph 19 mph 12 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 30.01 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 01, 2013 Rise Set
Actual Time 6:21 AM EDT 9:07 PM EDT
Civil Twilight 5:47 AM EDT 9:41 PM EDT
Nautical Twilight 5:03 AM EDT 10:24 PM EDT
Astronomical Twilight 4:12 AM EDT 11:15 PM EDT
Moon 1:55 AM EDT (8/1) 5:17 PM EDT (8/1)
Length of Visible Light 15h 54m
Length of Day
14h 45m
Waning Crescent, 23% of the Moon is Illuminated
Aug 1
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.14 Average Month Total: 2.26
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
71 | 59 0.00
Average:
72 | 58 0.08
Rain
Actual:
70 | 55 0.01
Average:
72 | 58 0.07
Partly Cloudy
Actual:
68 | 55 0.00
Average:
71 | 58 0.08
Scattered Clouds
Actual:
68 | 55 0.00
Average:
71 | 58 0.07
Rain
Actual:
70 | 55 0.00
Average:
71 | 58 0.07
Partly Cloudy
Actual:
73 | 63 0.00
Average:
71 | 58 0.07
Rain
Actual:
71 | 59 0.30
Average:
71 | 58 0.07
Clear
Actual:
69 | 51 0.01
Average:
71 | 58 0.08
Rain
Actual:
69 | 53 0.08
Average:
71 | 57 0.08
Clear
Actual:
68 | 49 0.00
Average:
71 | 57 0.07
Scattered Clouds
Actual:
70 | 57 0.00
Average:
71 | 57 0.07
Rain
Actual:
70 | 53 0.75
Average:
71 | 57 0.07
Partly Cloudy
Actual:
60 | 49 0.00
Average:
70 | 57 0.08
Scattered Clouds
Actual:
65 | 49 0.00
Average:
70 | 57 0.08
Clear
Actual:
69 | 59 0.00
Average:
70 | 57 0.07
Clear
Actual:
74 | 52 0.00
Average:
70 | 57 0.07
Clear
Actual:
76 | 58 0.00
Average:
70 | 57 0.08
Clear
Actual:
74 | 59 0.00
Average:
70 | 57 0.08
Clear
Actual:
74 | 62 0.00
Average:
70 | 57 0.08
Clear
Actual:
77 | 68 0.00
Average:
70 | 57 0.08
Rain
Actual:
79 | 69 0.00
Average:
70 | 57 0.08
Scattered Clouds
Actual:
78 | 59 0.00
Average:
70 | 57 0.08
Clear
Actual:
72 | 54 0.00
Average:
70 | 57 0.07
Clear
Actual:
76 | 54 0.00
Average:
70 | 56 0.07
Rain
Actual:
78 | 62 0.03
Average:
70 | 56 0.07
Rain
Actual:
77 | 68 0.37
Average:
70 | 56 0.07
Rain
Actual:
75 | 64 0.00
Average:
70 | 56 0.06
Fog
Actual:
82 | 63 0.00
Average:
70 | 56 0.06
Fog
Actual:
80 | 63 0.00
Average:
70 | 56 0.07
Rain
Actual:
74 | 66 0.59
Average:
70 | 56 0.06
Scattered Clouds
Actual:
72 | 62 0.00
Average:
70 | 56 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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 71 66 59 63 59 55 94 80 60 29.89 29.86 29.84 10 10 4 17 7 24 0.00  
2 70 62 55 61 57 53 94 82 64 29.91 29.83 29.80 10 10 10 14 5 21 0.01 Rain
3 68 62 55 54 52 50 86 72 56 30.07 29.99 29.90 10 10 10 14 8 21 0.00  
4 68 62 55 55 52 48 94 71 52 30.20 30.14 30.07 10 10 10 15 8 21 0.00  
5 70 62 55 60 55 48 94 77 47 30.10 30.02 29.90 10 10 10 9 5 - 0.00 Rain
6 73 68 63 64 60 54 93 75 64 29.90 29.85 29.79 10 10 4 10 7 16 0.00  
7 71 65 59 66 62 54 94 84 67 29.97 29.80 29.68 10 9 3 18 7 29 0.30 Rain
8 69 60 51 58 53 44 92 73 44 30.04 30.01 29.97 10 10 10 14 7 18 0.01  
9 69 62 53 62 56 46 93 78 46 30.03 29.94 29.88 10 10 5 20 7 30 0.08 Rain
10 68 58 49 57 52 46 95 74 55 30.13 30.10 30.03 10 10 7 14 7 21 0.00  
11 70 64 57 62 58 55 98 83 59 30.10 30.06 30.02 10 10 10 12 5 16 0.00  
12 70 62 53 64 60 51 96 90 78 30.02 29.94 29.87 10 10 0 21 8 28 0.75 Rain
13 60 54 49 51 47 43 92 78 54 30.10 30.02 29.93 10 10 10 16 10 26 0.00  
14 65 57 49 54 50 48 97 77 57 30.15 30.11 30.09 10 10 10 15 9 23 0.00  
15 69 64 59 60 57 52 96 79 55 30.10 30.07 30.04 10 10 10 15 8 21 0.00  
16 74 63 52 60 53 48 99 69 40 30.20 30.15 30.10 10 10 7 9 5 - 0.00  
17 76 67 58 57 54 49 89 63 38 30.25 30.21 30.17 10 10 10 14 7 18 0.00  
18 74 66 59 62 56 50 87 67 42 30.21 30.15 30.08 10 10 10 15 8 18 0.00  
19 74 68 62 63 59 55 84 73 60 30.08 30.02 29.97 10 10 10 16 9 24 0.00  
20 77 72 68 65 63 60 87 73 60 30.04 30.01 29.97 10 10 10 15 10 25 0.00  
21 79 74 69 67 64 62 85 73 65 30.01 29.94 29.85 10 10 10 17 10 29 0.00 Rain
22 78 68 59 65 58 46 97 71 33 30.12 30.02 29.92 10 10 5 14 8 22 0.00  
23 72 63 54 58 54 49 97 74 47 30.24 30.19 30.12 10 10 10 9 6 - 0.00  
24 76 65 54 61 56 52 94 70 43 30.29 30.25 30.20 10 10 10 9 6 - 0.00  
25 78 70 62 67 63 56 94 71 59 30.20 30.06 29.96 10 10 7 20 10 32 0.03 Rain
26 77 72 68 70 68 66 97 85 69 30.00 29.96 29.92 10 9 3 20 12 30 0.37 Rain
27 75 70 64 69 67 64 100 92 76 29.95 29.90 29.86 10 8 0 9 4 - 0.00 Fog , Rain
28 82 72 63 69 66 64 99 84 58 30.05 29.97 29.87 10 7 0 8 4 - 0.00 Fog
29 80 72 63 70 66 63 99 85 60 30.08 30.04 29.94 10 8 0 10 5 - 0.00 Fog
30 74 70 66 70 66 63 97 85 71 29.94 29.82 29.75 10 9 2 15 8 20 0.59 Rain
31 72 67 62 63 61 59 96 84 69 29.90 29.87 29.83 10 10 10 10 6 - 0.00