Weather History for Portsmouth, NH

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Friday, August 10, 2012

  Actual Average Record
Temperature  
Mean Temperature 72 °F -  
Max Temperature 78 °F 79 °F 94 °F (1973)
Min Temperature 68 °F 61 °F 45 °F (1974)
Cooling Degree Days 8    
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 95    
Maximum Humidity 100    
Minimum Humidity 81    
Precipitation  
Precipitation 0.65 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 7 mph (ESE)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 3 miles    
Events Fog , 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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Date:

Astronomy

Aug. 10, 2012 Rise Set
Actual Time 5:44 AM EDT 7:52 PM EDT
Civil Twilight 5:12 AM EDT 8:23 PM EDT
Nautical Twilight 4:34 AM EDT 9:01 PM EDT
Astronomical Twilight 3:52 AM EDT 9:43 PM EDT
Moon No Moon Rise 2:32 PM EDT (8/10)
Length of Visible Light 15h 10m
Length of Day
14h 08m
Last Quarter, 42% of the Moon is Illuminated
Aug 10
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 71.6 °F 68.9 °F 91% 29.90 in 7.0 mi South 3.5 mph - N/A   Mostly Cloudy
1:55 AM 70.3 °F 68.7 °F 95% 29.90 in 7.0 mi East 4.6 mph - N/A   Mostly Cloudy
2:55 AM 69.1 °F 68.2 °F 97% 29.90 in 7.0 mi ESE 4.6 mph - N/A   Scattered Clouds
3:19 AM 68.0 °F 68.0 °F 100% 29.91 in 4.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
3:43 AM 68.0 °F 68.0 °F 100% 29.91 in 2.0 mi NNE 4.6 mph - N/A   Overcast
3:55 AM 68.9 °F 68.5 °F 99% 29.91 in 1.5 mi ENE 4.6 mph - N/A   Overcast
4:25 AM 69.8 °F 68.0 °F 94% 29.91 in 0.8 mi East 4.6 mph - N/A   Overcast
4:37 AM 69.8 °F 68.0 °F 94% 29.91 in 0.8 mi East 4.6 mph - N/A   Overcast
4:55 AM 69.1 °F 68.7 °F 99% 29.91 in 0.8 mi ESE 4.6 mph - N/A   Overcast
5:17 AM 69.8 °F 68.0 °F 94% 29.92 in 1.0 mi ESE 3.5 mph - N/A   Overcast
5:34 AM 69.8 °F 69.8 °F 100% 29.92 in 1.2 mi SE 3.5 mph - N/A   Overcast
5:55 AM 69.3 °F 68.9 °F 99% 29.92 in 1.5 mi ESE 4.6 mph - N/A   Mostly Cloudy
6:28 AM 69.8 °F 68.0 °F 94% 29.93 in 1.2 mi SE 4.6 mph - N/A   Overcast
6:38 AM 69.8 °F 68.0 °F 94% 29.93 in 1.2 mi Calm Calm - N/A   Overcast
6:45 AM 69.8 °F 68.0 °F 94% 29.93 in 0.5 mi Variable 3.5 mph - N/A Fog Fog
6:55 AM 69.3 °F 69.1 °F 99% 29.93 in 0.2 mi SE 3.5 mph - N/A Fog Fog
7:16 AM 69.8 °F 69.8 °F 100% 29.92 in 0.8 mi ESE 3.5 mph - N/A   Mist
7:41 AM 69.8 °F 69.8 °F 100% 29.94 in 1.2 mi Variable 4.6 mph - N/A   Overcast
7:55 AM 70.9 °F 70.5 °F 99% 29.94 in 1.2 mi ESE 4.6 mph - N/A   Overcast
8:30 AM 71.6 °F 71.6 °F 100% 29.94 in 2.0 mi ESE 5.8 mph - N/A   Overcast
8:55 AM 73.6 °F 71.1 °F 92% 29.94 in 3.0 mi SSE 6.9 mph - N/A   Overcast
9:18 AM 75.2 °F 71.6 °F 89% 29.93 in 6.0 mi SE 4.6 mph - N/A   Mostly Cloudy
9:55 AM 76.1 °F 70.9 °F 84% 29.93 in 6.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
10:55 AM 77.2 °F 71.2 °F 82% 29.94 in 7.0 mi ESE 9.2 mph - N/A   Overcast
11:55 AM 77.2 °F 70.9 °F 81% 29.93 in 7.0 mi ESE 11.5 mph - N/A   Mostly Cloudy
12:36 PM 75.2 °F 71.6 °F 89% 29.92 in 7.0 mi SE 13.8 mph - N/A   Overcast
12:55 PM 74.3 °F 71.1 °F 90% 29.91 in 7.0 mi SE 15.0 mph 20.7 mph N/A   Overcast
1:55 PM 75.0 °F 70.7 °F 86% 29.91 in 7.0 mi SE 16.1 mph - N/A   Overcast
2:55 PM 74.1 °F 70.2 °F 87% 29.90 in 7.0 mi SE 15.0 mph - N/A   Overcast
3:55 PM 74.5 °F 69.8 °F 85% 29.89 in 7.0 mi SE 15.0 mph - N/A   Overcast
4:41 PM 73.4 °F 69.8 °F 88% 29.88 in 7.0 mi SE 17.3 mph 21.9 mph N/A Rain Light Rain
4:55 PM 72.1 °F 69.8 °F 92% 29.88 in 6.0 mi SE 16.1 mph 23.0 mph 0.00 in Rain Light Rain
5:28 PM 71.6 °F 69.8 °F 94% 29.88 in 2.0 mi SE 16.1 mph - N/A Rain Light Rain
5:55 PM 70.5 °F 70.2 °F 99% 29.88 in 2.0 mi SE 11.5 mph - 0.08 in Rain Light Rain
6:34 PM 69.8 °F 69.8 °F 100% 29.87 in 1.5 mi ESE 12.7 mph - N/A Rain Light Rain
6:55 PM 70.0 °F 69.6 °F 99% 29.87 in 1.5 mi ESE 11.5 mph - 0.09 in Rain Light Rain
7:38 PM 69.8 °F 68.0 °F 94% 29.87 in 2.0 mi SE 12.7 mph - N/A Rain Light Rain
7:55 PM 68.7 °F 68.5 °F 99% 29.86 in 1.5 mi ESE 16.1 mph - 0.14 in Rain Rain
8:39 PM 68.0 °F 68.0 °F 100% 29.84 in 1.0 mi East 15.0 mph - N/A Rain Heavy Rain
8:48 PM 68.0 °F 68.0 °F 100% 29.84 in 3.0 mi East 13.8 mph 21.9 mph N/A Rain Light Rain
8:55 PM 69.1 °F 68.7 °F 99% 29.83 in 4.0 mi East 8.1 mph 21.9 mph 0.32 in Rain Light Rain
9:45 PM 69.8 °F 69.8 °F 100% 29.82 in 1.2 mi East 9.2 mph - N/A   Overcast
9:55 PM 69.4 °F 69.1 °F 99% 29.81 in 1.2 mi East 9.2 mph - 0.02 in   Overcast
10:55 PM 69.8 °F 69.4 °F 99% 29.80 in 1.5 mi ESE 8.1 mph - N/A   Overcast
11:55 PM 70.3 °F 70.0 °F 99% 29.79 in 1.8 mi SE 4.6 mph - N/A   Overcast