Boston, MA

2:09 PM EDT on August 30, 2016 (GMT -0400)
Logan International

Weather History for KBOS - May, 2012

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Week of May 6, 2012 through May 12, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 80 °F 64 °F 54 °F
Mean Temperature 65 °F 57 °F 50 °F
Min Temperature 56 °F 50 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 15 8 0 57
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 15 6 0 44
Dew Point  
Dew Point 59 °F 44 °F 26 °F
Precipitation  
Precipitation 0.85 in 0.18 in 0.00 in 1.27 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 25 mph 10 mph 0 mph
Gust Wind 33 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.16 in 29.92 in 29.40 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

May. 12, 2012 Rise Set
Actual Time 5:25 AM EDT 7:56 PM EDT
Civil Twilight 4:53 AM EDT 8:28 PM EDT
Nautical Twilight 4:13 AM EDT 9:08 PM EDT
Astronomical Twilight 3:29 AM EDT 9:53 PM EDT
Moon 1:06 AM EDT (5/12) 12:03 PM EDT (5/12)
Length of Visible Light 15h 34m
Length of Day
14h 30m
Waning Gibbous, 53% of the Moon is Illuminated
May 12
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
6 54 50 46 49 42 35 100 75 50 30.16 30.11 30.08 10 8 0 12 7 14 0.00 Fog
7 59 54 48 47 43 37 80 66 51 30.15 30.12 30.10 10 10 10 17 9 21 0.00  
8 58 54 50 53 45 36 93 72 50 30.11 30.01 29.89 10 9 5 25 11 32 0.16 Rain
9 63 60 56 59 57 54 97 91 84 29.89 29.74 29.60 10 9 5 14 8 17 0.26 Rain
10 67 59 50 57 51 38 100 74 47 29.68 29.49 29.40 10 5 1 23 12 32 0.85 Rain
11 64 56 47 41 36 29 71 50 28 30.04 29.86 29.69 10 10 10 23 10 33 0.00  
12 80 65 50 43 35 26 59 39 19 30.14 30.08 30.03 10 10 10 23 10 30 0.00