Weather History for Copper Harbor, MI

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 46 °F 33 °F 21 °F
Mean Temperature 38 °F 28 °F 18 °F
Min Temperature 34 °F 22 °F 9 °F
Degree Days  
Heating Degree Days (base 65) 46 37 27 1156
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 37 °F 21 °F 5 °F
Precipitation  
Precipitation 0.45 in 0.06 in 0.00 in 1.91 in
Snowdepth - - - -
Wind  
Wind 38 mph 10 mph 0 mph
Gust Wind 50 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.50 in 30.01 in 29.44 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 03, 2011 Rise Set
Actual Time 8:20 AM EST 5:01 PM EST
Civil Twilight 7:45 AM EST 5:37 PM EST
Nautical Twilight 7:06 AM EST 6:15 PM EST
Astronomical Twilight 6:29 AM EST 6:52 PM EST
Moon 1:27 PM EST (12/3) 1:24 AM EST (12/3)
Length of Visible Light 9h 51m
Length of Day
8h 41m
Waxing Gibbous, 62% of the Moon is Illuminated
Dec 3
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter

Weather History Calendar

Precipitation Actual month total 1.91 Average Month Total: 1.18
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
36 | 24 0.02
Average:
33 | 24 0.04
Clear
Actual:
32 | 19 0.00
Average:
33 | 24 0.04
Clear
Actual:
37 | 32 0.09
Average:
33 | 24 0.04
Clear
Actual:
36 | 28 0.16
Average:
32 | 24 0.04
Clear
Actual:
28 | 19 0.00
Average:
32 | 24 0.04
Clear
Actual:
25 | 19 0.00
Average:
32 | 24 0.04
Clear
Actual:
33 | 21 0.04
Average:
32 | 24 0.04
Clear
Actual:
30 | 19 0.26
Average:
32 | 23 0.04
Clear
Actual:
21 | 16 0.10
Average:
32 | 23 0.04
Clear
Actual:
25 | 17 0.03
Average:
32 | 23 0.04
Clear
Actual:
43 | 19 0.00
Average:
32 | 23 0.04
Clear
Actual:
37 | 34 0.00
Average:
31 | 22 0.04
Clear
Actual:
36 | 33 0.00
Average:
31 | 22 0.04
Clear
Actual:
37 | 34 0.30
Average:
30 | 21 0.04
Clear
Actual:
37 | 24 0.29
Average:
29 | 21 0.04
Clear
Actual:
21 | 10 0.00
Average:
29 | 20 0.04
Clear
Actual:
30 | 9 0.01
Average:
28 | 19 0.04
Clear
Actual:
39 | 28 0.00
Average:
27 | 19 0.04
Clear
Actual:
39 | 25 0.00
Average:
27 | 18 0.04
Clear
Actual:
34 | 24 0.00
Average:
26 | 17 0.04
Clear
Actual:
36 | 30 0.00
Average:
26 | 17 0.04
Clear
Actual:
33 | 21 0.04
Average:
26 | 16 0.04
Clear
Actual:
27 | 19 0.11
Average:
26 | 16 0.04
Clear
Actual:
30 | 10 0.00
Average:
26 | 16 0.04
Clear
Actual:
34 | 30 0.01
Average:
26 | 16 0.04
Clear
Actual:
46 | 30 0.00
Average:
26 | 16 0.03
Clear
Actual:
45 | 14 0.00
Average:
26 | 16 0.03
Clear
Actual:
23 | 14 0.00
Average:
26 | 16 0.03
Clear
Actual:
32 | 23 0.45
Average:
26 | 16 0.03
Clear
Actual:
30 | 19 0.00
Average:
26 | 15 0.03
Clear
Actual:
34 | 15 0.00
Average:
25 | 15 0.03
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 36 30 24 33 21 13 96 72 62 30.38 30.29 30.09 - - - 18 13 25 0.02  
2 32 26 19 20 14 10 78 61 45 30.36 30.27 30.14 - - - 18 8 32 0.00  
3 37 34 32 32 26 19 96 73 52 30.12 30.02 29.95 - - - 15 8 25 0.09  
4 36 32 28 34 27 18 96 82 64 30.32 30.06 29.86 - - - 22 11 32 0.16  
5 28 24 19 19 16 14 85 76 66 30.50 30.45 30.33 - - - 16 12 22 0.00  
6 25 22 19 18 15 13 81 74 65 30.48 30.25 29.94 - - - 12 7 21 0.00  
7 33 27 21 25 18 12 82 67 50 29.89 29.84 29.79 - - - 24 12 29 0.04  
8 30 24 19 27 14 7 93 69 55 30.01 29.90 29.75 - - - 29 15 38 0.26  
9 21 18 16 14 11 7 84 73 60 30.24 30.10 30.01 - - - 29 11 34 0.10  
10 25 20 17 14 11 5 81 66 52 30.25 30.20 30.12 - - - 15 9 25 0.03  
11 43 31 19 30 23 12 85 72 49 30.13 30.01 29.90 - - - 10 6 - 0.00  
12 37 36 34 35 32 29 96 86 76 30.34 30.23 30.12 - - - 17 5 - 0.00  
13 36 34 33 32 30 29 89 84 78 30.43 30.37 30.27 - - - 15 8 - 0.00  
14 37 36 34 37 35 32 97 91 86 30.25 29.93 29.57 - - - 10 4 21 0.30  
15 37 31 24 36 30 20 100 92 81 30.11 29.64 29.47 - - - 38 12 50 0.29  
16 21 19 10 19 12 6 89 76 65 30.40 30.35 30.14 - - - 29 19 38 0.00  
17 30 20 9 23 14 5 85 79 69 30.37 30.14 30.01 - - - 18 9 29 0.01  
18 39 34 28 32 25 20 81 72 65 30.04 29.80 29.51 - - - 16 9 24 0.00  
19 39 32 25 32 23 18 85 76 69 30.26 29.99 29.54 - - - 30 20 36 0.00  
20 34 29 24 18 17 15 75 60 46 30.24 29.91 29.65 - - - 10 6 24 0.00  
21 36 33 30 30 24 15 82 67 50 29.87 29.68 29.60 - - - 16 6 - 0.00  
22 33 27 21 28 19 12 88 76 66 30.28 30.17 29.90 - - - 25 18 32 0.04  
23 27 23 19 23 17 11 88 75 60 30.28 30.16 30.06 - - - 13 6 23 0.11  
24 30 20 10 23 18 7 92 77 66 30.19 30.01 29.54 - - - 7 5 - 0.00  
25 34 32 30 31 26 23 92 77 66 30.16 29.97 29.74 - - - 28 14 34 0.01  
26 46 38 30 25 22 16 76 55 30 30.08 29.71 29.45 - - - 21 8 34 0.00  
27 45 30 14 34 20 8 92 80 46 30.09 29.78 29.44 - - - 31 17 41 0.00  
28 23 18 14 16 10 6 80 72 63 30.09 29.98 29.54 - - - 15 8 22 0.00  
29 32 28 23 30 25 17 93 89 78 29.76 29.62 29.54 - - - 12 5 20 0.45  
30 30 24 19 28 23 17 96 88 82 29.84 29.77 29.67 - - - 7 4 - 0.00  
31 34 24 15 29 23 12 92 83 73 29.90 29.82 29.70 - - - 15 7 26 0.00