Weather History for Boston, MA

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Week of December 15, 2013 through December 21, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 54 °F 40 °F 28 °F
Mean Temperature 48 °F 33 °F 19 °F
Min Temperature 41 °F 24 °F 9 °F
Degree Days  
Heating Degree Days (base 65) 46 32 17 227
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 46 °F 23 °F -3 °F
Precipitation  
Precipitation 0.64 in 0.23 in 0.00 in 1.17 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 41 mph 12 mph 0 mph
Gust Wind 52 mph 25 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 29.95 in 29.39 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 18, 2013 Rise Set
Actual Time 7:08 AM EST 4:13 PM EST
Civil Twilight 6:36 AM EST 4:45 PM EST
Nautical Twilight 6:00 AM EST 5:20 PM EST
Astronomical Twilight 5:26 AM EST 5:54 PM EST
Moon 5:44 PM EST (12/18) 7:44 AM EST (12/18)
Length of Visible Light 10h 08m
Length of Day
9h 04m
Full, 98% of the Moon is Illuminated
Dec 18
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Daily Weather History & Observations

2013 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  
15 38 31 23 37 27 18 100 82 63 30.09 29.62 29.39 10 4 0 41 19 52 0.64 Fog , Rain , Snow
16 30 25 20 21 11 5 75 55 35 30.22 29.97 29.75 10 9 4 25 14 31 T Snow
17 28 19 9 25 12 -3 96 73 49 30.29 30.12 29.95 10 4 0 22 10 30 0.53 Fog , Snow
18 36 28 19 19 17 14 84 64 44 30.08 29.94 29.86 10 10 7 18 13 24 T  
19 43 35 27 26 22 19 69 56 43 30.12 30.05 29.96 10 10 10 25 12 35 0.00  
20 51 42 32 34 30 25 82 66 50 30.13 30.02 29.91 10 10 7 17 8 24 0.00  
21 54 48 41 46 41 33 89 78 67 29.96 29.92 29.88 10 10 9 17 11 23 0.00