Weather History for Boston, MA

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Week of December 23, 2012 through December 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 47 °F 39 °F 35 °F
Mean Temperature 39 °F 34 °F 31 °F
Min Temperature 31 °F 28 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 34 31 26 217
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 45 °F 24 °F 12 °F
Precipitation  
Precipitation 1.67 in 0.37 in 0.00 in 2.60 in
Snowdepth 9.0 in 3.0 in 0.0 in -
Wind  
Wind 45 mph 13 mph 0 mph
Gust Wind 54 mph 26 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.32 in 29.88 in 29.22 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 24, 2012 Rise Set
Actual Time 7:11 AM EST 4:16 PM EST
Civil Twilight 6:39 AM EST 4:48 PM EST
Nautical Twilight 6:04 AM EST 5:23 PM EST
Astronomical Twilight 5:29 AM EST 5:58 PM EST
Moon 1:43 PM EST (12/24) 3:45 AM EST (12/24)
Length of Visible Light 10h 08m
Length of Day
9h 04m
Waxing Gibbous, 88% of the Moon is Illuminated
Dec 24
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

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  
23 38 34 29 22 18 13 56 48 40 29.87 29.80 29.66 10 10 10 23 13 30 0.00  
24 40 36 31 22 18 15 61 49 37 30.06 30.01 29.88 10 10 10 18 8 25 0.00  
25 35 32 28 27 24 16 78 65 51 30.23 30.07 29.99 10 9 2 14 8 20 0.01 Snow
26 39 31 23 34 22 12 85 69 53 30.32 30.21 29.93 10 9 4 36 14 44 0.23 Rain , Snow
27 47 39 30 45 37 27 96 91 85 29.88 29.46 29.22 10 4 1 45 24 54 1.67 Rain , Snow
28 37 33 28 25 21 17 78 65 52 30.01 29.88 29.64 10 10 10 24 14 35 0.00  
29 37 33 29 34 27 22 92 78 63 30.01 29.71 29.39 10 6 0 30 10 37 0.69 Fog , Rain , Snow