Weather History for Boston, MA

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Month of December, 2010

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 39 °F 23 °F
Mean Temperature 51 °F 33 °F 21 °F
Min Temperature 46 °F 27 °F 14 °F
Degree Days  
Heating Degree Days (base 65) 44 32 14 993
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 55 °F 20 °F 1 °F
Precipitation  
Precipitation 1.15 in 0.12 in 0.00 in 3.01 in
Snowdepth 2.0 in 0.1 in 0.0 in -
Wind  
Wind 41 mph 13 mph 0 mph
Gust Wind 55 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 29.77 in 28.82 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 30, 2010 Rise Set
Actual Time 7:13 AM EST 4:20 PM EST
Civil Twilight 6:41 AM EST 4:52 PM EST
Nautical Twilight 6:05 AM EST 5:27 PM EST
Astronomical Twilight 5:31 AM EST 6:01 PM EST
Moon 2:27 AM EST (12/30) 12:25 PM EST (12/30)
Length of Visible Light 10h 11m
Length of Day
9h 07m
Waning Crescent, 23% of the Moon is Illuminated
Dec 30
Waning Crescent
Jan 4
New
Jan 12
First Quarter
Jan 19
Full
Jan 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 3.01 Normal Month Total: 3.73
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
56 | 46 0.38
Average:
46 | 33 0.13
Scattered Clouds
Actual:
51 | 36 T
Average:
46 | 32 0.12
Mostly Cloudy
Actual:
41 | 34 0.00
Average:
46 | 32 0.12
Partly Cloudy
Actual:
43 | 32 0.00
Average:
45 | 32 0.12
Partly Cloudy
Actual:
36 | 29 0.00
Average:
45 | 31 0.12
Partly Cloudy
Actual:
35 | 27 0.00
Average:
45 | 31 0.12
Partly Cloudy
Actual:
37 | 28 0.00
Average:
44 | 30 0.12
Scattered Clouds
Actual:
34 | 25 0.00
Average:
44 | 30 0.12
Scattered Clouds
Actual:
29 | 19 0.00
Average:
44 | 30 0.12
Partly Cloudy
Actual:
28 | 14 0.00
Average:
43 | 29 0.12
Partly Cloudy
Actual:
45 | 28 T
Average:
43 | 29 0.12
Rain
Actual:
53 | 30 1.15
Average:
43 | 29 0.12
Rain
Actual:
57 | 37 0.17
Average:
42 | 29 0.12
Snow
Actual:
37 | 21 T
Average:
42 | 28 0.12
Snow
Actual:
23 | 18 T
Average:
42 | 28 0.12
Partly Cloudy
Actual:
34 | 20 T
Average:
41 | 28 0.12
Clear
Actual:
36 | 21 0.00
Average:
41 | 27 0.12
Partly Cloudy
Actual:
38 | 24 0.00
Average:
41 | 27 0.12
Partly Cloudy
Actual:
37 | 25 T
Average:
41 | 27 0.12
Snow
Actual:
33 | 26 0.19
Average:
40 | 26 0.12
Snow
Actual:
41 | 27 0.01
Average:
40 | 26 0.12
Snow
Actual:
39 | 32 0.03
Average:
40 | 26 0.12
Snow
Actual:
40 | 31 0.07
Average:
40 | 26 0.12
Scattered Clouds
Actual:
38 | 27 0.00
Average:
39 | 25 0.12
Partly Cloudy
Actual:
31 | 23 0.00
Average:
39 | 25 0.12
Snow
Actual:
32 | 23 0.91
Average:
39 | 25 0.12
Snow
Actual:
30 | 19 0.10
Average:
39 | 25 0.12
Snow
Actual:
35 | 18 0.00
Average:
39 | 24 0.12
Partly Cloudy
Actual:
38 | 29 0.00
Average:
38 | 24 0.12
Partly Cloudy
Actual:
43 | 29 0.00
Average:
38 | 24 0.12
Partly Cloudy
Actual:
50 | 28 0.00
Average:
38 | 24 0.12
 

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

2010 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 56 51 46 54 47 43 96 90 83 30.31 29.94 29.67 10 8 2 30 16 43 0.38 Rain
2 51 44 36 41 27 23 79 62 45 30.04 29.94 29.71 10 10 9 25 14 33 T  
3 41 38 34 25 23 21 69 59 48 29.99 29.90 29.77 10 10 10 17 12 23 0.00  
4 43 38 32 24 21 19 64 55 45 29.75 29.65 29.58 10 10 10 21 14 28 0.00  
5 36 33 29 19 18 13 63 55 47 29.58 29.55 29.51 10 10 10 21 11 26 0.00  
6 35 31 27 18 15 14 63 52 40 29.48 29.32 29.21 10 10 10 28 19 39 0.00  
7 37 33 28 17 15 14 63 50 37 29.57 29.40 29.28 10 10 8 23 15 32 0.00  
8 34 30 25 15 9 5 58 45 32 29.98 29.77 29.58 10 10 9 25 17 33 0.00  
9 29 24 19 9 6 3 57 46 35 30.36 30.16 29.98 10 10 9 20 13 28 0.00  
10 28 21 14 17 7 3 64 51 38 30.45 30.39 30.30 10 10 9 17 7 22 0.00  
11 45 37 28 29 25 19 78 62 45 30.28 30.24 30.21 10 10 8 15 5 20 T  
12 53 42 30 52 43 28 93 84 75 30.23 29.77 29.31 10 6 2 30 15 43 1.15 Rain
13 57 47 37 55 43 31 100 89 77 29.20 29.12 29.06 10 9 2 21 12 30 0.17 Rain
14 37 29 21 29 16 6 82 66 50 29.52 29.36 29.12 10 10 9 23 13 31 T Snow
15 23 21 18 11 5 2 54 50 45 29.67 29.59 29.47 10 10 6 26 16 33 T Snow
16 34 27 20 16 12 11 73 56 38 29.79 29.76 29.69 10 10 9 20 10 25 T  
17 36 29 21 17 14 13 74 56 38 30.04 29.88 29.76 10 10 9 17 7 28 0.00  
18 38 31 24 26 22 18 85 69 52 30.11 30.07 30.04 10 10 10 10 4 14 0.00  
19 37 31 25 23 20 16 81 63 44 30.08 29.99 29.86 10 10 8 14 8 17 T  
20 33 30 26 23 20 15 84 69 53 29.86 29.75 29.66 10 5 1 23 15 31 0.19 Snow
21 41 34 27 25 22 16 78 66 54 29.72 29.64 29.59 10 8 2 26 19 38 0.01 Snow
22 39 36 32 29 27 24 85 72 59 29.71 29.64 29.57 10 6 2 21 15 29 0.03 Snow
23 40 36 31 29 26 21 85 70 54 29.82 29.63 29.56 10 6 2 25 18 32 0.07 Snow
24 38 33 27 21 16 13 69 55 40 29.98 29.93 29.84 10 10 10 22 14 28 0.00  
25 31 27 23 17 14 12 63 56 49 30.00 29.97 29.94 10 10 9 17 6 21 0.00  
26 32 28 23 31 23 16 100 79 58 30.00 29.70 29.16 10 2 0 41 19 51 0.91 Fog , Snow
27 30 25 19 29 21 6 100 78 56 29.36 28.97 28.82 10 3 0 40 29 55 0.10 Fog , Snow
28 35 27 18 13 6 1 61 45 29 29.76 29.56 29.38 10 10 2 35 21 46 0.00 Snow
29 38 34 29 24 21 15 69 60 50 30.08 29.91 29.77 10 10 10 21 10 26 0.00  
30 43 36 29 24 22 19 69 58 46 30.18 30.13 30.09 10 10 10 14 8 20 0.00  
31 50 39 28 34 28 20 75 65 55 30.13 30.09 30.04 10 10 9 15 6 20 0.00