Weather History for Hyannis, MA

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 48 °F 33 °F
Mean Temperature 54 °F 39 °F 29 °F
Min Temperature 50 °F 30 °F 15 °F
Degree Days  
Heating Degree Days (base 65) 36 26 12 802
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 4 0 0 6
Dew Point  
Dew Point 57 °F 34 °F 2 °F
Precipitation  
Precipitation 0.97 in 0.07 in 0.00 in 2.21 in
Snowdepth - - - -
Wind  
Wind 30 mph 8 mph 0 mph
Gust Wind 43 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.66 in 30.10 in 29.16 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 07, 2011 Rise Set
Actual Time 6:54 AM EST 4:10 PM EST
Civil Twilight 6:22 AM EST 4:41 PM EST
Nautical Twilight 5:48 AM EST 5:16 PM EST
Astronomical Twilight 5:14 AM EST 5:50 PM EST
Moon 2:10 PM EST (12/7) 4:05 AM EST (12/7)
Length of Visible Light 10h 18m
Length of Day
9h 16m
Waxing Gibbous, 92% of the Moon is Illuminated
Dec 7
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter

Weather History Calendar

Precipitation Actual month total 2.21 Average Month Total: 4.43
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
46 | 32 0.00
Average:
44 | 31 0.07
Scattered Clouds
Actual:
50 | 28 0.00
Average:
45 | 31 0.09
Partly Cloudy
Actual:
46 | 30 0.00
Average:
47 | 26 0.17
Scattered Clouds
Actual:
51 | 27 0.00
Average:
46 | 29 0.13
Fog
Actual:
55 | 42 0.00
Average:
44 | 28 0.20
Rain
Actual:
60 | 44 0.04
Average:
42 | 26 0.28
Rain
Actual:
57 | 50 0.97
Average:
46 | 27 0.12
Rain
Actual:
57 | 30 0.28
Average:
44 | 28 0.10
Scattered Clouds
Actual:
51 | 26 0.00
Average:
44 | 27 0.10
Rain
Actual:
46 | 35 0.00
Average:
45 | 27 0.15
Clear
Actual:
39 | 23 0.00
Average:
44 | 29 0.11
Clear
Actual:
46 | 23 0.00
Average:
42 | 27 0.23
Partly Cloudy
Actual:
45 | 30 0.00
Average:
43 | 26 0.10
Mostly Cloudy
Actual:
46 | 32 0.00
Average:
44 | 28 0.11
Rain
Actual:
55 | 32 0.04
Average:
43 | 25 0.17
Scattered Clouds
Actual:
55 | 39 0.00
Average:
44 | 26 0.15
Snow
Actual:
43 | 34 0.00
Average:
44 | 28 0.28
Snow
Actual:
33 | 23 0.00
Average:
41 | 25 0.07
Partly Cloudy
Actual:
48 | 15 0.00
Average:
41 | 22 0.07
Scattered Clouds
Actual:
46 | 21 0.00
Average:
39 | 23 0.13
Rain
Actual:
57 | 26 0.09
Average:
41 | 24 0.08
Rain
Actual:
57 | 39 0.02
Average:
41 | 25 0.28
Rain
Actual:
45 | 36 0.41
Average:
41 | 24 0.11
Mostly Cloudy
Actual:
36 | 26 0.00
Average:
40 | 24 0.13
Rain
Actual:
46 | 18 0.08
Average:
41 | 22 0.10
Partly Cloudy
Actual:
43 | 23 0.00
Average:
41 | 22 0.14
Rain
Actual:
52 | 23 0.14
Average:
39 | 20 0.19
Rain
Actual:
55 | 30 0.09
Average:
38 | 21 0.04
Scattered Clouds
Actual:
33 | 25 0.00
Average:
41 | 24 0.20
Partly Cloudy
Actual:
46 | 24 0.00
Average:
40 | 23 0.16
Rain
Actual:
53 | 39 0.05
Average:
38 | 21 0.17
 

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

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 46 40 32 36 33 29 88 68 61 30.26 30.06 29.85 10 10 10 17 9 25 0.00  
2 50 39 28 39 32 26 93 70 44 30.40 30.30 30.26 10 10 10 13 3 20 0.00  
3 46 39 30 34 31 27 88 68 53 30.66 30.59 30.41 10 10 10 16 9 23 0.00  
4 51 39 27 49 38 25 93 85 68 30.61 30.52 30.42 10 10 9 10 3 16 0.00  
5 55 48 42 54 47 40 100 97 92 30.40 30.34 30.25 10 4 0 12 2 - 0.00 Fog
6 60 52 44 56 52 44 100 96 83 30.22 30.09 29.92 10 7 0 16 5 23 0.04 Fog , Rain
7 57 54 50 57 53 50 100 98 94 29.91 29.72 29.39 10 4 1 15 7 - 0.97 Rain
8 57 44 30 55 35 23 100 73 40 30.28 29.73 29.16 10 8 1 30 10 43 0.28 Rain
9 51 38 26 45 35 23 97 81 59 30.37 30.30 30.20 10 10 9 13 3 21 0.00  
10 46 41 35 43 32 17 96 67 46 30.39 30.21 30.12 10 10 5 14 5 23 0.00 Rain
11 39 31 23 23 19 16 88 61 43 30.62 30.56 30.40 10 10 10 14 7 25 0.00  
12 46 34 23 37 29 19 96 81 61 30.59 30.52 30.40 10 10 7 12 3 - 0.00  
13 45 38 30 37 32 22 100 77 47 30.39 30.30 30.22 10 9 7 14 4 22 0.00  
14 46 39 32 36 33 27 82 69 60 30.40 30.34 30.28 10 9 1 14 8 20 0.00  
15 55 44 32 52 44 28 94 82 70 30.34 29.97 29.74 10 9 3 26 11 39 0.04 Rain
16 55 47 39 51 34 27 90 60 41 30.06 29.89 29.66 10 10 8 28 14 38 0.00  
17 43 38 34 31 28 22 82 66 54 30.06 30.03 29.98 10 10 8 17 8 29 0.00 Snow
18 33 30 23 27 21 9 86 70 51 30.26 30.14 30.05 10 7 1 18 13 26 0.00 Snow
19 48 32 15 38 24 7 74 63 53 30.26 30.07 29.86 10 10 10 26 11 40 0.00  
20 46 34 21 33 25 17 85 61 43 30.24 30.08 29.86 10 10 10 16 11 28 0.00  
21 57 42 26 56 45 23 100 87 68 30.21 29.97 29.65 10 8 1 23 8 34 0.09 Rain
22 57 48 39 55 43 35 97 75 49 30.09 29.91 29.63 10 10 8 26 13 34 0.02 Rain
23 45 40 36 44 38 25 97 86 64 30.13 29.93 29.79 10 8 4 16 7 24 0.41 Rain
24 36 31 26 26 20 15 70 62 54 30.46 30.32 30.15 10 10 10 15 11 23 0.00  
25 46 32 18 39 29 15 97 78 59 30.47 30.18 29.87 10 9 2 15 4 25 0.08 Rain
26 43 34 23 37 30 20 100 74 53 30.24 30.00 29.81 10 9 2 22 6 33 0.00  
27 52 38 23 50 38 20 94 83 68 30.20 29.90 29.42 10 9 3 21 6 37 0.14 Rain
28 55 42 30 54 37 16 100 74 50 29.63 29.38 29.30 10 9 3 23 15 34 0.09 Rain
29 33 29 25 16 9 2 58 43 29 30.05 29.88 29.65 10 10 10 17 12 24 0.00  
30 46 35 24 43 32 11 93 75 43 30.10 30.07 30.05 10 10 10 9 4 17 0.00  
31 53 46 39 52 45 37 100 95 86 30.03 29.85 29.75 10 6 0 14 6 20 0.05 Fog , Rain