Weather History for Portsmouth, NH

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Week of February 12, 2012 through February 18, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 50 °F 41 °F 23 °F
Mean Temperature 42 °F 32 °F 17 °F
Min Temperature 32 °F 23 °F 9 °F
Degree Days  
Heating Degree Days (base 65) 48 33 24 234
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 40 °F 19 °F -8 °F
Precipitation  
Precipitation 0.03 in 0.00 in 0.00 in 0.03 in
Snowdepth - - - -
Wind  
Wind 20 mph 6 mph 0 mph
Gust Wind 30 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 29.96 in 29.55 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Feb. 15, 2012 Rise Set
Actual Time 6:41 AM EST 5:13 PM EST
Civil Twilight 6:12 AM EST 5:43 PM EST
Nautical Twilight 5:39 AM EST 6:16 PM EST
Astronomical Twilight 5:06 AM EST 6:49 PM EST
Moon 1:36 AM EST (2/15) 11:01 AM EST (2/15)
Length of Visible Light 11h 30m
Length of Day
10h 32m
Last Quarter, 39% of the Moon is Illuminated
Feb 15
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
12 23 17 11 10 -3 -8 56 43 33 29.87 29.69 29.55 10 10 10 20 14 30 0.00  
13 40 24 9 16 9 -4 57 47 29 29.97 29.84 29.75 10 10 10 17 8 23 0.00  
14 40 30 21 20 16 12 75 53 35 30.11 30.06 29.97 10 10 10 8 4 - 0.00  
15 41 35 29 29 26 19 88 71 57 30.23 30.17 30.10 10 10 7 6 1 - 0.00 Rain
16 45 36 26 37 31 25 100 83 53 30.27 30.16 30.03 10 7 2 10 4 - 0.03 Rain
17 50 42 32 40 33 19 100 79 41 30.03 29.91 29.82 10 6 1 14 6 - 0.00 Rain
18 45 38 30 26 19 14 73 52 30 29.93 29.88 29.82 10 10 10 15 8 24 0.00