Weather History for Portsmouth, NH

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Saturday, September 14, 2013

  Actual Average Record
Temperature  
Mean Temperature 61 °F -  
Max Temperature 68 °F 71 °F 86 °F (1976)
Min Temperature 52 °F 53 °F 32 °F (1978)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 11 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 80    
Maximum Humidity 100    
Minimum Humidity 57    
Precipitation  
Precipitation 0.12 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 6 mph (West)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Rain    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 14, 2013 Rise Set
Actual Time 6:22 AM EDT 6:54 PM EDT
Civil Twilight 5:53 AM EDT 7:23 PM EDT
Nautical Twilight 5:19 AM EDT 7:56 PM EDT
Astronomical Twilight 4:44 AM EDT 8:31 PM EDT
Moon 3:39 PM EDT (9/14) 12:43 AM EDT (9/14)
Length of Visible Light 13h 29m
Length of Day
12h 32m
Waxing Gibbous, 72% of the Moon is Illuminated
Sep 14
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 57.6 °F 54.1 °F 88% 29.75 in 10.0 mi WNW 6.9 mph - N/A   Overcast
1:58 AM 57.4 °F 54.0 °F 88% 29.77 in 10.0 mi West 4.6 mph - N/A   Overcast
2:58 AM 57.7 °F 54.0 °F 87% 29.77 in 10.0 mi WNW 3.5 mph - N/A   Overcast
3:58 AM 57.9 °F 54.0 °F 87% 29.78 in 10.0 mi West 8.1 mph - N/A   Overcast
4:23 AM 57.2 °F 53.6 °F 88% 29.77 in 7.0 mi West 4.6 mph - N/A Rain Light Rain
4:43 AM 57.2 °F 53.6 °F 88% 29.78 in 3.0 mi West 5.8 mph - N/A Rain Light Rain
4:58 AM 56.5 °F 54.7 °F 94% 29.79 in 3.0 mi WNW 5.8 mph - 0.09 in Rain Light Rain
5:21 AM 55.4 °F 55.4 °F 100% 29.79 in 10.0 mi North 2.3 mph - N/A   Mostly Cloudy
5:58 AM 56.3 °F 54.9 °F 95% 29.81 in 10.0 mi West 5.8 mph - 0.02 in   Mostly Cloudy
6:58 AM 56.8 °F 54.9 °F 93% 29.83 in 10.0 mi West 4.6 mph - N/A Rain Light Rain Showers
7:28 AM 57.2 °F 55.4 °F 94% 29.81 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
7:58 AM 57.4 °F 55.2 °F 92% 29.85 in 10.0 mi WNW 4.6 mph - 0.01 in   Overcast
8:58 AM 58.6 °F 55.4 °F 89% 29.87 in 10.0 mi WNW 5.8 mph - N/A   Overcast
9:58 AM 61.0 °F 55.4 °F 82% 29.88 in 10.0 mi WNW 4.6 mph - N/A   Overcast
10:58 AM 63.3 °F 55.2 °F 75% 29.89 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
11:58 AM 65.3 °F 54.7 °F 68% 29.89 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
12:58 PM 68.2 °F 54.1 °F 61% 29.89 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
1:58 PM 68.2 °F 53.8 °F 60% 29.89 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
2:58 PM 68.5 °F 52.9 °F 57% 29.89 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
3:58 PM 66.7 °F 53.2 °F 62% 29.90 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
4:58 PM 66.6 °F 52.2 °F 60% 29.92 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
5:58 PM 63.1 °F 50.2 °F 63% 29.94 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
6:58 PM 59.7 °F 50.0 °F 70% 29.97 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
7:58 PM 57.6 °F 49.3 °F 74% 30.00 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
8:58 PM 55.9 °F 49.5 °F 79% 30.02 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
9:58 PM 56.5 °F 50.0 °F 79% 30.03 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
10:58 PM 54.1 °F 49.5 °F 84% 30.03 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
11:58 PM 52.7 °F 50.2 °F 91% 30.04 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy