Weather History for Portsmouth, NH

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Week of December 11, 2011 through December 17, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 51 °F 44 °F 36 °F
Mean Temperature 43 °F 36 °F 30 °F
Min Temperature 36 °F 27 °F 21 °F
Degree Days  
Heating Degree Days (base 65) 36 29 22 206
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 47 °F 24 °F 3 °F
Precipitation  
Precipitation 0.04 in 0.01 in 0.00 in 0.05 in
Snowdepth - - - -
Wind  
Wind 24 mph 7 mph 0 mph
Gust Wind 39 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.61 in 30.22 in 29.59 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 16, 2011 Rise Set
Actual Time 7:08 AM EST 4:09 PM EST
Civil Twilight 6:35 AM EST 4:41 PM EST
Nautical Twilight 6:00 AM EST 5:17 PM EST
Astronomical Twilight 5:25 AM EST 5:52 PM EST
Moon 10:48 PM EST (12/16) 10:44 AM EST (12/16)
Length of Visible Light 10h 05m
Length of Day
9h 00m
Waning Gibbous, 65% of the Moon is Illuminated
Dec 16
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full

Daily Weather History & Observations

2011 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  
11 36 30 23 20 15 12 77 58 38 30.61 30.55 30.43 10 10 10 9 5 - 0.00  
12 47 36 24 18 14 10 69 45 26 30.54 30.47 30.38 10 10 10 8 5 - 0.00  
13 46 34 21 26 20 13 82 61 37 30.36 30.32 30.29 10 10 10 7 3 - 0.00  
14 40 36 31 29 28 26 85 70 59 30.43 30.39 30.34 10 10 10 8 5 - 0.00  
15 51 42 34 47 39 30 93 82 69 30.31 29.94 29.64 10 9 6 15 9 22 0.04 Rain
16 50 43 36 47 32 24 90 61 42 30.05 29.82 29.59 10 10 7 24 12 39 0.01 Rain
17 39 32 23 29 17 3 87 59 35 30.17 30.07 30.01 10 10 10 15 7 18 0.00