Weather History for Mackinac Island, MI

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 46 °F 23 °F 7 °F
Mean Temperature 34 °F 17 °F 0 °F
Min Temperature 31 °F 11 °F -7 °F
Degree Days  
Heating Degree Days (base 65) 65 48 31 1485
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 46 °F 13 °F -11 °F
Precipitation  
Precipitation 0.12 in 0.01 in 0.00 in 0.28 in
Snowdepth - - - -
Wind  
Wind 33 mph 11 mph 0 mph
Gust Wind 45 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.49 in 30.01 in 29.37 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 12, 2013 Rise Set
Actual Time 8:10 AM EST 4:53 PM EST
Civil Twilight 7:36 AM EST 5:28 PM EST
Nautical Twilight 6:58 AM EST 6:06 PM EST
Astronomical Twilight 6:22 AM EST 6:42 PM EST
Moon 2:10 PM EST (12/12) 3:21 AM EST (12/12)
Length of Visible Light 9h 51m
Length of Day
8h 42m
Waxing Gibbous, 80% of the Moon is Illuminated
Dec 12
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Weather History Calendar

Precipitation Actual month total 0.28 Average Month Total: 3.32
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Overcast
Actual:
32 | 28 0.00
Average:
35 | 27 0.13
Partly Cloudy
Actual:
32 | 26 0.00
Average:
35 | 27 0.12
Snow
Actual:
30 | 22 0.00
Average:
34 | 26 0.11
Snow
Actual:
41 | 27 0.12
Average:
34 | 26 0.11
Rain
Actual:
46 | 21 0.01
Average:
34 | 26 0.11
Snow
Actual:
22 | 15 0.00
Average:
34 | 26 0.11
Snow
Actual:
19 | 13 0.00
Average:
34 | 26 0.11
Snow
Actual:
24 | 9 0.01
Average:
34 | 25 0.10
Snow
Actual:
28 | 10 0.04
Average:
33 | 25 0.11
Snow
Actual:
18 | 7 0.05
Average:
33 | 25 0.11
Snow
Actual:
14 | 10 0.00
Average:
33 | 25 0.11
Snow
Actual:
18 | 10 0.00
Average:
32 | 24 0.11
Snow
Actual:
17 | 1 0.00
Average:
32 | 24 0.11
Snow
Actual:
16 | 6 0.00
Average:
31 | 23 0.11
Snow
Actual:
18 | 5 0.00
Average:
30 | 22 0.11
Snow
Actual:
14 | -4 0.00
Average:
30 | 22 0.10
Snow
Actual:
24 | 15 0.00
Average:
29 | 21 0.10
Snow
Actual:
24 | 18 0.03
Average:
28 | 20 0.10
Partly Cloudy
Actual:
27 | 19 0.00
Average:
28 | 19 0.10
Snow
Actual:
19 | 14 0.00
Average:
27 | 19 0.10
Snow
Actual:
23 | 18 0.01
Average:
27 | 18 0.10
Snow
Actual:
21 | 8 0.00
Average:
27 | 18 0.10
Snow
Actual:
8 | 1 0.01
Average:
27 | 17 0.10
Clear
Actual:
7 | -7 0.00
Average:
27 | 17 0.10
Snow
Actual:
20 | 8 0.00
Average:
26 | 17 0.10
Snow
Actual:
19 | 11 0.00
Average:
26 | 17 0.10
Snow
Actual:
34 | 4 0.00
Average:
26 | 17 0.11
Overcast
Actual:
34 | 31 0.00
Average:
26 | 16 0.11
Snow
Actual:
32 | 4 0.00
Average:
26 | 16 0.11
Snow
Actual:
11 | -2 0.00
Average:
25 | 16 0.11
Snow
Actual:
9 | 2 0.00
Average:
25 | 16 0.11
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 32 30 28 32 27 22 100 85 73 30.10 30.06 30.00 10 8 2 12 5 - 0.00  
2 32 29 26 24 21 17 84 73 55 30.00 29.94 29.90 10 10 10 10 3 - 0.00  
3 30 26 22 28 23 19 96 90 82 29.99 29.95 29.92 10 8 1 17 10 28 0.00 Snow
4 41 34 27 41 31 26 100 95 91 29.96 29.79 29.40 10 4 1 24 16 41 0.12 Rain , Snow
5 46 34 21 46 26 11 100 78 64 30.01 29.66 29.37 10 9 1 33 20 45 0.01 Rain
6 22 18 15 13 11 8 79 68 58 30.29 30.17 30.01 10 10 7 26 18 33 0.00 Snow
7 19 16 13 13 9 4 85 70 54 30.47 30.41 30.29 10 10 7 22 15 29 0.00 Snow
8 24 16 9 23 11 3 94 79 59 30.49 30.36 30.04 10 7 2 12 7 20 0.01 Snow
9 28 20 10 27 20 4 96 86 68 30.02 29.79 29.67 10 4 0 31 11 44 0.04 Snow
10 18 12 7 13 8 4 89 81 67 29.96 29.85 29.72 10 4 0 28 13 36 0.05 Snow
11 14 12 10 8 4 1 80 70 57 30.27 30.14 29.97 10 10 10 24 18 33 0.00 Snow
12 18 14 10 10 7 1 84 69 60 30.24 30.08 29.96 10 8 0 28 19 36 0.00 Snow
13 17 9 1 10 -1 -6 83 71 57 30.40 30.22 29.97 10 9 1 23 13 33 0.00 Snow
14 16 11 6 12 7 -8 91 83 49 30.40 30.20 29.89 10 3 0 22 14 30 0.00 Snow
15 18 12 5 16 11 2 93 88 78 29.96 29.78 29.68 10 3 0 16 11 22 0.00 Snow
16 14 5 -4 12 2 -9 88 80 70 30.12 30.03 29.89 10 8 1 16 7 24 0.00 Snow
17 24 20 15 22 16 12 95 88 84 29.89 29.80 29.75 10 8 1 17 8 26 0.00 Snow
18 24 21 18 21 17 13 94 83 75 29.96 29.87 29.70 10 9 1 18 11 29 0.03 Snow
19 27 24 19 24 20 15 91 85 78 30.05 29.89 29.67 10 10 10 14 10 18 0.00  
20 19 16 14 17 15 12 93 89 78 30.02 29.94 29.84 10 6 1 16 12 18 0.00 Snow
21 23 20 18 19 18 16 96 88 81 30.00 29.91 29.81 10 10 7 21 8 29 0.01 Snow
22 21 14 8 16 11 5 92 83 72 30.05 29.92 29.83 10 5 0 25 19 36 0.00 Snow
23 8 5 1 6 2 -3 89 83 75 30.33 30.21 30.05 10 6 2 10 7 - 0.01 Snow
24 7 0 -7 1 -5 -11 88 78 59 30.45 30.41 30.33 10 10 10 13 5 18 0.00  
25 20 14 8 19 14 3 96 90 73 30.37 30.06 29.99 10 5 0 17 11 32 0.00 Snow
26 19 15 11 15 11 5 91 83 75 30.16 30.05 29.95 10 10 10 15 7 17 0.00 Snow
27 34 19 4 32 15 1 91 84 75 30.18 30.05 29.81 10 10 2 23 9 30 0.00 Snow
28 34 32 31 33 31 29 100 94 88 29.95 29.86 29.72 10 7 1 17 9 22 0.00  
29 32 18 4 33 12 1 100 89 74 30.02 29.83 29.70 10 7 1 17 11 25 0.00 Snow
30 11 4 -2 6 2 -6 91 80 66 30.17 30.09 30.01 10 9 1 18 7 23 0.00 Snow
31 9 6 2 6 -1 -5 87 72 56 30.24 30.05 29.93 10 9 4 28 13 34 0.00 Snow