Weather History for Boston, MA

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Week of September 23, 2012 through September 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 74 °F 67 °F 57 °F
Mean Temperature 67 °F 61 °F 56 °F
Min Temperature 59 °F 54 °F 49 °F
Degree Days  
Heating Degree Days (base 65) 9 5 0 32
Cooling Degree Days (base 65) 2 0 0 2
Growing Degree Days (base 50) 16 10 6 72
Dew Point  
Dew Point 64 °F 50 °F 35 °F
Precipitation  
Precipitation 0.79 in 0.14 in 0.00 in 0.83 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 25 mph 10 mph 0 mph
Gust Wind 36 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 30.06 in 29.80 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 29, 2012 Rise Set
Actual Time 6:39 AM EDT 6:28 PM EDT
Civil Twilight 6:11 AM EDT 6:56 PM EDT
Nautical Twilight 5:38 AM EDT 7:28 PM EDT
Astronomical Twilight 5:05 AM EDT 8:01 PM EDT
Moon 5:58 PM EDT (9/29) 6:07 AM EDT (9/29)
Length of Visible Light 12h 44m
Length of Day
11h 48m
Full, 100% of the Moon is Illuminated
Sep 29
Full
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
23 71 64 56 64 50 39 93 63 33 30.09 29.94 29.80 10 10 4 18 11 29 0.02 Rain
24 67 59 51 42 39 35 68 51 34 30.13 30.09 30.06 10 10 10 16 9 23 0.00  
25 73 61 49 52 44 39 72 55 38 30.17 30.14 30.10 10 10 10 25 14 36 0.00  
26 74 67 59 62 59 53 87 76 64 30.14 30.06 30.00 10 10 10 21 12 26 T  
27 69 62 55 62 52 42 93 66 39 30.25 30.14 30.00 10 10 10 17 9 22 0.00  
28 58 56 54 56 53 50 93 85 77 30.25 30.14 29.98 10 8 3 23 10 28 0.79 Rain
29 57 56 54 56 53 51 93 87 80 29.96 29.92 29.88 10 8 2 21 8 24 0.02 Rain