Weather History for Chatham, MA

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Week of December 23, 2012 through December 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 52 °F 42 °F 37 °F
Mean Temperature 42 °F 36 °F 32 °F
Min Temperature 35 °F 30 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 32 29 22 203
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 52 °F 29 °F 16 °F
Precipitation  
Precipitation 1.21 in 0.34 in 0.00 in 2.38 in
Snowdepth - - - -
Wind  
Wind 33 mph 8 mph 0 mph
Gust Wind 54 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.30 in 29.85 in 29.19 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Dec. 29, 2012 Rise Set
Actual Time 7:06 AM EST 4:18 PM EST
Civil Twilight 6:35 AM EST 4:49 PM EST
Nautical Twilight 6:00 AM EST 5:24 PM EST
Astronomical Twilight 5:26 AM EST 5:58 PM EST
Moon 5:49 PM EST (12/29) 7:36 AM EST (12/29)
Length of Visible Light 10h 14m
Length of Day
9h 11m
Full, 98% of the Moon is Illuminated
Dec 29
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 39 34 30 25 20 16 72 56 41 29.89 29.83 29.68 10 10 10 14 8 26 0.00  
24 39 34 28 27 22 19 79 64 47 30.09 30.03 29.91 10 10 10 7 3 18 0.00  
25 44 40 35 43 37 30 96 90 79 30.19 30.03 29.96 10 9 2 10 3 25 0.13 Rain
26 39 34 30 36 29 25 89 74 62 30.30 30.20 29.92 10 9 4 24 6 33 0.22 Rain
27 52 42 33 52 42 29 100 92 85 29.90 29.42 29.22 8 4 1 33 17 54 0.82 Rain , Snow
28 37 32 28 30 24 23 85 71 57 30.01 29.84 29.57 10 10 7 14 10 26 0.00 Snow
29 42 34 26 39 31 22 96 85 70 30.03 29.61 29.19 10 6 1 22 6 34 1.21 Rain , Snow