Weather History for Portsmouth, NH

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Week of December 16, 2012 through December 22, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 51 °F 39 °F 24 °F
Mean Temperature 44 °F 34 °F 23 °F
Min Temperature 36 °F 29 °F 22 °F
Degree Days  
Heating Degree Days (base 65) 42 31 22 215
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 52 °F 31 °F 8 °F
Precipitation  
Precipitation 1.41 in 0.37 in 0.00 in 2.62 in
Snowdepth 2.0 in 1.3 in 1.0 in -
Wind  
Wind 36 mph 10 mph 0 mph
Gust Wind 58 mph 26 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.37 in 29.76 in 29.09 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 19, 2012 Rise Set
Actual Time 7:10 AM EST 4:10 PM EST
Civil Twilight 6:38 AM EST 4:43 PM EST
Nautical Twilight 6:02 AM EST 5:19 PM EST
Astronomical Twilight 5:27 AM EST 5:53 PM EST
Moon 11:08 AM EST (12/19) 11:46 PM EST (12/19)
Length of Visible Light 10h 04m
Length of Day
8h 59m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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  
16 24 23 22 20 16 8 89 74 53 30.37 30.26 30.15 10 6 1 10 8 - 0.11 Snow
17 33 28 23 33 27 21 99 93 88 30.14 30.01 29.88 3 2 1 13 8 - 0.21 Rain , Snow
18 49 41 33 49 43 34 100 99 93 29.83 29.49 29.37 6 2 0 17 11 24 1.41 Fog , Rain
19 41 38 35 39 36 33 100 89 71 30.03 29.66 29.41 10 8 4 18 11 28 0.09 Rain
20 39 34 29 34 31 27 99 84 62 30.21 30.12 30.04 10 10 7 7 4 - 0.00 Rain
21 51 44 36 52 41 32 100 87 68 30.04 29.44 29.09 10 6 1 36 14 58 0.80 Rain
22 39 33 26 32 21 12 80 62 45 29.59 29.35 29.19 10 10 10 23 12 33 0.00