Weather History for Boston, MA

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Week of January 9, 2011 through January 15, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 35 °F 32 °F 25 °F
Mean Temperature 32 °F 27 °F 22 °F
Min Temperature 28 °F 22 °F 15 °F
Degree Days  
Heating Degree Days (base 65) 43 38 33 266
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 32 °F 17 °F 7 °F
Precipitation  
Precipitation 1.40 in 0.38 in 0.00 in 1.53 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 36 mph 14 mph 0 mph
Gust Wind 46 mph 26 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.26 in 29.92 in 29.17 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Jan. 14, 2011 Rise Set
Actual Time 7:11 AM EST 4:35 PM EST
Civil Twilight 6:40 AM EST 5:06 PM EST
Nautical Twilight 6:05 AM EST 5:41 PM EST
Astronomical Twilight 5:31 AM EST 6:14 PM EST
Moon 11:50 AM EST (1/14) 2:08 AM EST (1/14)
Length of Visible Light 10h 26m
Length of Day
9h 24m
Waxing Gibbous, 71% of the Moon is Illuminated
Jan 14
Waxing Gibbous
Jan 19
Full
Jan 26
Last Quarter
Feb 2
New
Feb 11
First Quarter

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
9 35 30 25 25 19 13 85 68 51 29.88 29.59 29.34 10 8 0 25 17 35 0.13 Fog , Snow
10 35 29 23 16 13 8 60 52 44 30.14 30.02 29.90 10 10 10 23 16 31 0.00  
11 31 26 21 25 18 10 78 68 57 30.26 30.14 29.93 10 10 8 15 7 20 T  
12 35 32 28 32 27 22 96 84 72 29.91 29.43 29.17 10 2 0 36 24 46 1.40 Fog , Snow
13 31 26 21 21 15 10 69 59 49 30.18 29.97 29.63 10 10 9 25 17 35 T  
14 25 22 18 12 10 9 67 61 55 30.26 30.23 30.19 10 10 9 17 9 22 0.00  
15 33 24 15 27 14 7 85 70 55 30.24 30.07 29.83 10 10 8 17 10 23 T Snow