Weather History for Portsmouth, NH

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Sunday, September 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 72 °F 68 °F 89 °F (1980)
Min Temperature 52 °F 49 °F 31 °F (1973)
Degree Days  
Heating Degree Days 2    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 80    
Maximum Humidity 98    
Minimum Humidity 47    
Precipitation  
Precipitation 0.64 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.66 in    
Wind  
Wind Speed 11 mph (SW)    
Max Wind Speed 21 mph    
Max Gust Speed 28 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
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. 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

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 64.4 °F 63.9 °F 98% 29.72 in 10.0 mi SE 8.1 mph - N/A   Overcast
1:58 AM 65.1 °F 64.0 °F 96% 29.68 in 10.0 mi SSE 8.1 mph - N/A   Overcast
2:58 AM 65.1 °F 63.7 °F 95% 29.65 in 10.0 mi SSE 12.7 mph - N/A   Overcast
3:50 AM 66.2 °F 64.4 °F 94% 29.63 in 10.0 mi SSE 12.7 mph - N/A Rain Light Rain
3:58 AM 66.0 °F 64.2 °F 94% 29.63 in 7.0 mi SSE 12.7 mph - 0.01 in Rain Light Rain
4:13 AM 66.2 °F 64.4 °F 94% 29.62 in 7.0 mi SSE 12.7 mph - N/A Rain Light Rain
4:28 AM 66.2 °F 64.4 °F 94% 29.61 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
4:31 AM 66.2 °F 64.4 °F 94% 29.60 in 10.0 mi SSE 10.4 mph - N/A   Overcast
4:58 AM 65.5 °F 64.6 °F 97% 29.62 in 10.0 mi SSE 9.2 mph - 0.00 in   Overcast
5:48 AM 66.2 °F 64.4 °F 94% 29.59 in 10.0 mi SE 11.5 mph - N/A Rain Light Rain
5:58 AM 65.7 °F 64.4 °F 96% 29.59 in 10.0 mi SE 13.8 mph - 0.01 in Rain Light Rain
6:16 AM 66.2 °F 64.4 °F 94% 29.59 in 2.5 mi South 20.7 mph 27.6 mph N/A Rain , Thunderstorm Rain
6:58 AM 65.1 °F 64.2 °F 97% 29.62 in 3.0 mi West 10.4 mph - 0.51 in Rain Rain
7:58 AM 62.4 °F 61.5 °F 97% 29.64 in 6.0 mi WSW 6.9 mph - 0.07 in Rain Light Rain
8:58 AM 62.4 °F 61.9 °F 98% 29.65 in 10.0 mi SW 4.6 mph - 0.04 in   Overcast
9:58 AM 63.1 °F 61.3 °F 94% 29.66 in 10.0 mi WSW 6.9 mph - N/A   Overcast
10:58 AM 64.4 °F 60.8 °F 88% 29.65 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
11:58 AM 65.7 °F 59.2 °F 80% 29.65 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
12:58 PM 70.3 °F 56.8 °F 62% 29.65 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
1:58 PM 71.1 °F 52.3 °F 52% 29.64 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
2:58 PM 72.7 °F 51.1 °F 47% 29.65 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
3:58 PM 69.8 °F 48.6 °F 47% 29.65 in 10.0 mi West 10.4 mph 20.7 mph N/A   Mostly Cloudy
4:58 PM 68.7 °F 48.9 °F 49% 29.66 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
5:58 PM 65.3 °F 49.3 °F 56% 29.68 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
6:58 PM 61.3 °F 50.0 °F 66% 29.71 in 10.0 mi NW 13.8 mph 19.6 mph N/A   Mostly Cloudy
7:58 PM 58.8 °F 47.5 °F 66% 29.74 in 10.0 mi WNW 12.7 mph 23.0 mph N/A   Mostly Cloudy
8:58 PM 56.1 °F 44.1 °F 64% 29.77 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
9:58 PM 54.7 °F 44.2 °F 68% 29.78 in 10.0 mi WNW 13.8 mph - N/A   Clear
10:58 PM 53.4 °F 43.2 °F 68% 29.80 in 10.0 mi WNW 12.7 mph - N/A   Clear
11:58 PM 52.0 °F 41.5 °F 68% 29.80 in 10.0 mi WNW 13.8 mph - N/A   Clear