Weather History for Portsmouth, NH

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Week of September 22, 2013 through September 28, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 72 °F 66 °F 61 °F
Mean Temperature 62 °F 56 °F 52 °F
Min Temperature 52 °F 47 °F 43 °F
Degree Days  
Heating Degree Days (base 65) 12 9 2 60
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 6 2 43
Dew Point  
Dew Point 65 °F 47 °F 38 °F
Precipitation  
Precipitation 0.64 in 0.09 in 0.00 in 0.64 in
Snowdepth - - - -
Wind  
Wind 21 mph 7 mph 0 mph
Gust Wind 28 mph 21 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 29.99 in 29.59 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 22, 2013 Rise Set
Actual Time 6:30 AM EDT 6:40 PM EDT
Civil Twilight 6:02 AM EDT 7:08 PM EDT
Nautical Twilight 5:29 AM EDT 7:41 PM EDT
Astronomical Twilight 4:55 AM EDT 8:15 PM EDT
Moon 8:21 PM EDT (9/22) 9:53 AM EDT (9/22)
Length of Visible Light 13h 06m
Length of Day
12h 09m
Waning Gibbous, 89% of the Moon is Illuminated
Sep 22
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
22 72 62 52 65 57 42 98 80 47 29.80 29.66 29.59 10 9 2 21 11 28 0.64 Rain , Thunderstorm
23 61 52 44 41 39 38 79 63 45 29.99 29.90 29.82 10 10 10 18 10 22 0.00  
24 64 54 43 46 41 38 88 69 41 29.97 29.89 29.82 10 10 10 15 8 - 0.00  
25 62 52 43 50 45 42 98 76 54 29.99 29.92 29.88 10 10 10 10 4 - 0.00  
26 64 56 47 50 47 44 88 69 52 30.14 30.05 30.00 10 10 10 10 5 - 0.00  
27 67 59 52 52 50 48 99 72 54 30.26 30.20 30.14 10 10 10 8 6 - 0.00  
28 70 58 48 55 51 48 100 84 52 30.34 30.29 30.26 10 8 0 12 4 - 0.00 Fog