Weather History for Portsmouth, NH

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Friday, August 30, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F -  
Max Temperature 84 °F 75 °F 93 °F (1973)
Min Temperature 62 °F 56 °F 33 °F (1982)
Cooling Degree Days 8    
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 77    
Maximum Humidity 94    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 4 mph (WSW)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
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

Aug. 30, 2013 Rise Set
Actual Time 6:05 AM EDT 7:21 PM EDT
Civil Twilight 5:36 AM EDT 7:50 PM EDT
Nautical Twilight 5:00 AM EDT 8:25 PM EDT
Astronomical Twilight 4:23 AM EDT 9:02 PM EDT
Moon 12:36 AM EDT (8/30) 3:39 PM EDT (8/30)
Length of Visible Light 14h 14m
Length of Day
13h 15m
Waning Crescent, 29% of the Moon is Illuminated
Aug 30
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 62.4 °F - 58.6 °F 87% 30.02 in 10.0 mi NW 1.2 mph - N/A   Overcast
1:13 AM 62.6 °F - 59.0 °F 88% 30.01 in 10.0 mi West 3.5 mph - N/A   Overcast
1:58 AM 62.6 °F - 58.8 °F 87% 30.01 in 10.0 mi West 5.8 mph - N/A   Overcast
2:58 AM 62.6 °F - 59.2 °F 89% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
3:13 AM 62.6 °F - 59.0 °F 88% 29.98 in 10.0 mi West 1.2 mph - N/A   Overcast
3:58 AM 62.2 °F - 59.4 °F 90% 29.97 in 10.0 mi West 1.2 mph - N/A   Overcast
4:28 AM 62.6 °F - 59.0 °F 88% 29.96 in 10.0 mi WNW 2.3 mph - N/A   Overcast
4:58 AM 62.2 °F - 59.7 °F 91% 29.97 in 10.0 mi West 2.3 mph - N/A   Overcast
5:47 AM 62.6 °F - 60.8 °F 94% 29.96 in 10.0 mi WSW 1.2 mph - N/A   Overcast
5:58 AM 62.1 °F - 60.1 °F 93% 29.97 in 10.0 mi West 2.3 mph - N/A   Overcast
6:28 AM 62.6 °F - 59.0 °F 88% 29.96 in 10.0 mi SW 2.3 mph - N/A   Overcast
6:41 AM 62.6 °F - 59.0 °F 88% 29.96 in 10.0 mi SSW 3.5 mph - N/A   Overcast
6:58 AM 62.1 °F - 59.5 °F 91% 29.97 in 10.0 mi SSW 4.6 mph - N/A   Overcast
7:58 AM 63.1 °F - 59.4 °F 87% 29.97 in 10.0 mi SW 3.5 mph - N/A   Overcast
8:58 AM 64.6 °F - 59.2 °F 83% 29.97 in 10.0 mi WSW 8.1 mph - N/A   Overcast
9:58 AM 67.3 °F - 59.9 °F 77% 29.95 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
10:58 AM 71.4 °F - 61.5 °F 71% 29.92 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
11:58 AM 74.1 °F - 62.2 °F 66% 29.91 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
12:58 PM 77.2 °F - 63.5 °F 63% 29.88 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
1:58 PM 81.1 °F 82.8 °F 64.6 °F 57% 29.85 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
2:58 PM 84.0 °F 85.6 °F 64.6 °F 52% 29.84 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
3:58 PM 83.5 °F 84.9 °F 64.2 °F 52% 29.83 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
4:58 PM 83.3 °F 84.8 °F 64.6 °F 53% 29.81 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
5:58 PM 82.2 °F 84.0 °F 64.9 °F 56% 29.80 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
6:58 PM 79.0 °F - 65.1 °F 62% 29.80 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
7:58 PM 75.9 °F - 65.1 °F 69% 29.81 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
8:58 PM 74.8 °F - 65.7 °F 73% 29.81 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
9:58 PM 73.4 °F - 65.1 °F 75% 29.81 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
10:58 PM 73.2 °F - 65.7 °F 77% 29.80 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
11:58 PM 73.6 °F - 66.0 °F 77% 29.80 in 10.0 mi SW 6.9 mph - N/A   Overcast