Weather History for Rockland, ME

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 53 °F 39 °F 26 °F
Mean Temperature 46 °F 32 °F 18 °F
Min Temperature 42 °F 24 °F 8 °F
Degree Days  
Heating Degree Days (base 65) 47 34 19 1040
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 54 °F 26 °F -2 °F
Precipitation  
Precipitation 0.96 in 0.12 in 0.00 in 3.68 in
Snowdepth - - - -
Wind  
Wind 37 mph 9 mph 0 mph
Gust Wind 51 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.68 in 29.97 in 29.14 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 14, 2012 Rise Set
Actual Time 7:04 AM EST 3:58 PM EST
Civil Twilight 6:30 AM EST 4:31 PM EST
Nautical Twilight 5:54 AM EST 5:08 PM EST
Astronomical Twilight 5:19 AM EST 5:43 PM EST
Moon 8:04 AM EST (12/14) 5:49 PM EST (12/14)
Length of Visible Light 10h 00m
Length of Day
8h 54m
Waxing Crescent, 3% of the Moon is Illuminated
Dec 14
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Weather History Calendar

Precipitation Actual month total 3.68 Average Month Total: 0.00
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
41 | 14 0.01
Average:
38 | 25 -
Overcast
Actual:
51 | 41 0.25
Average:
38 | 25 -
Partly Cloudy
Actual:
51 | 26 0.01
Average:
37 | 24 -
Partly Cloudy
Actual:
51 | 26 0.00
Average:
37 | 24 -
Mostly Cloudy
Actual:
53 | 33 0.19
Average:
37 | 24 -
Scattered Clouds
Actual:
35 | 21 0.00
Average:
36 | 24 -
Partly Cloudy
Actual:
44 | 19 0.06
Average:
36 | 23 -
Overcast
Actual:
42 | 37 0.18
Average:
36 | 23 -
Scattered Clouds
Actual:
44 | 30 0.00
Average:
36 | 23 -
Overcast
Actual:
44 | 35 0.30
Average:
36 | 23 -
Partly Cloudy
Actual:
39 | 26 0.02
Average:
36 | 23 -
Clear
Actual:
33 | 17 0.00
Average:
36 | 23 -
Clear
Actual:
39 | 19 0.00
Average:
36 | 23 -
Clear
Actual:
42 | 21 0.00
Average:
36 | 22 -
Clear
Actual:
33 | 17 0.00
Average:
36 | 22 -
Scattered Clouds
Actual:
26 | 15 0.00
Average:
35 | 22 -
Overcast
Actual:
42 | 24 0.03
Average:
35 | 21 -
Overcast
Actual:
44 | 42 0.87
Average:
35 | 21 -
Overcast
Actual:
42 | 33 0.13
Average:
34 | 20 -
Mostly Cloudy
Actual:
35 | 32 0.00
Average:
34 | 20 -
Mostly Cloudy
Actual:
50 | 33 0.52
Average:
33 | 20 -
Partly Cloudy
Actual:
44 | 24 0.14
Average:
33 | 19 -
Partly Cloudy
Actual:
33 | 23 0.00
Average:
33 | 19 -
Scattered Clouds
Actual:
33 | 21 0.00
Average:
33 | 19 -
Partly Cloudy
Actual:
32 | 17 0.00
Average:
33 | 19 -
Scattered Clouds
Actual:
30 | 17 0.00
Average:
32 | 19 -
Overcast
Actual:
35 | 28 0.96
Average:
32 | 18 -
Scattered Clouds
Actual:
32 | 21 0.00
Average:
32 | 18 -
Partly Cloudy
Actual:
28 | 8 0.00
Average:
32 | 18 -
Partly Cloudy
Actual:
26 | 14 0.01
Average:
31 | 18 -
Clear
Actual:
32 | 14 0.00
Average:
31 | 17 -
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 41 28 14 36 20 3 100 82 62 30.68 30.62 30.53 10 8 2 14 6 18 0.01  
2 51 46 41 52 46 36 100 91 76 30.52 30.25 29.96 10 8 3 18 13 28 0.25  
3 51 38 26 48 39 25 100 83 62 30.31 30.09 29.94 10 9 0 17 10 28 0.01  
4 51 38 26 50 39 25 100 93 82 30.32 30.22 29.98 10 9 3 14 5 22 0.00  
5 53 43 33 54 36 18 100 71 48 30.02 29.88 29.76 10 9 3 23 12 29 0.19  
6 35 28 21 21 16 10 100 57 35 30.30 30.21 30.03 10 10 10 15 8 24 0.00  
7 44 32 19 39 29 16 100 83 61 30.29 30.16 30.04 10 10 3 13 4 20 0.06  
8 42 40 37 43 39 36 100 96 93 30.03 29.94 29.84 10 6 1 10 3 - 0.18  
9 44 37 30 37 31 25 100 78 53 30.33 30.16 29.88 10 8 2 13 7 18 0.00  
10 44 40 35 45 38 28 100 92 70 30.24 29.77 29.47 10 6 0 20 8 25 0.30  
11 39 32 26 39 31 19 100 82 65 30.10 29.81 29.51 10 10 10 13 4 20 0.02  
12 33 25 17 23 19 16 100 79 52 30.39 30.29 30.12 10 10 10 9 3 - 0.00  
13 39 29 19 27 22 16 100 81 49 30.43 30.37 30.25 10 10 10 7 2 - 0.00  
14 42 32 21 30 26 19 100 80 49 30.24 30.09 29.97 10 10 10 15 4 20 0.00  
15 33 25 17 28 9 0 93 53 31 30.39 30.29 30.09 10 10 10 12 6 20 0.00  
16 26 20 15 23 10 3 93 63 46 30.39 30.31 30.21 10 9 2 13 6 18 0.00  
17 42 33 24 39 31 21 100 91 86 30.21 30.08 29.93 10 7 1 18 13 25 0.03  
18 44 43 42 45 42 39 100 94 87 29.93 29.63 29.39 10 6 2 23 16 33 0.87  
19 42 38 33 43 36 30 100 93 87 29.98 29.61 29.36 10 7 3 21 14 30 0.13  
20 35 34 32 30 28 27 93 81 70 30.19 30.13 29.98 10 9 3 9 5 16 0.00  
21 50 42 33 48 40 28 100 90 76 30.09 29.58 29.14 10 8 2 37 14 51 0.52  
22 44 34 24 39 30 12 93 76 55 29.48 29.28 29.14 10 10 3 20 11 30 0.14  
23 33 28 23 21 13 9 64 53 44 29.76 29.67 29.48 10 10 10 24 14 32 0.00  
24 33 27 21 23 15 10 80 59 41 30.06 29.95 29.75 10 10 10 20 9 25 0.00  
25 32 24 17 23 16 10 93 67 48 30.20 30.07 30.02 10 10 10 9 3 - 0.00  
26 30 24 17 23 15 9 80 66 54 30.33 30.26 30.14 10 10 10 13 5 20 0.00  
27 35 32 28 34 30 23 100 94 80 30.12 29.65 29.41 10 4 0 28 19 40 0.96  
28 32 26 21 25 21 16 93 76 60 29.94 29.75 29.47 10 9 1 20 11 29 0.00  
29 28 18 8 28 19 -2 100 89 62 29.98 29.82 29.40 10 8 0 23 4 31 0.00  
30 26 20 14 25 14 1 100 75 53 29.72 29.49 29.33 10 6 0 24 13 38 0.01  
31 32 23 14 19 11 1 100 64 47 29.86 29.79 29.67 10 10 0 22 13 32 0.00