Weather History for Portsmouth, NH

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Saturday, October 1, 2011

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 64 °F 63 °F 81 °F (1988)
Min Temperature 55 °F 43 °F 27 °F (1989)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 98    
Maximum Humidity 100    
Minimum Humidity 92    
Precipitation  
Precipitation 0.05 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.68 in    
Wind  
Wind Speed 5 mph (NE)    
Max Wind Speed 16 mph    
Max Gust Speed 22 mph    
Visibility 4 miles    
Events Fog , 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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Date:

Astronomy

Oct. 01, 2011 Rise Set
Actual Time 6:40 AM EDT 6:25 PM EDT
Civil Twilight 6:11 AM EDT 6:53 PM EDT
Nautical Twilight 5:38 AM EDT 7:26 PM EDT
Astronomical Twilight 5:05 AM EDT 7:59 PM EDT
Moon 11:52 AM EDT (10/1) 9:10 PM EDT (10/1)
Length of Visible Light 12h 41m
Length of Day
11h 44m
Waxing Crescent, 24% of the Moon is Illuminated
Oct 1
Waxing Crescent
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 62.2 °F 61.2 °F 96% 29.69 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:13 AM 62.6 °F 60.8 °F 94% 29.68 in 7.0 mi Calm Calm - N/A   Overcast
1:55 AM 63.3 °F 62.4 °F 97% 29.69 in 7.0 mi NNE 3.5 mph - N/A   Overcast
2:03 AM 62.6 °F 62.6 °F 100% 29.70 in 7.0 mi Calm Calm - N/A Rain Light Rain Showers
2:15 AM 62.6 °F 62.6 °F 100% 29.69 in 5.0 mi ENE 3.5 mph - N/A Rain , Thunderstorm Light Rain Showers
2:35 AM 62.6 °F 62.6 °F 100% 29.69 in 5.0 mi Calm Calm - N/A Rain Light Rain Showers
2:49 AM 62.6 °F 62.6 °F 100% 29.68 in 6.0 mi NNE 4.6 mph - N/A Rain Light Rain Showers
2:55 AM 63.1 °F 62.8 °F 99% 29.67 in 6.0 mi North 3.5 mph - 0.03 in Rain Light Rain Showers
3:21 AM 62.6 °F 62.6 °F 100% 29.66 in 7.0 mi NE 5.8 mph - N/A   Overcast
3:55 AM 62.6 °F 62.2 °F 99% 29.66 in 3.0 mi Calm Calm - 0.00 in   Overcast
4:22 AM 62.6 °F 62.6 °F 100% 29.66 in 3.0 mi Variable 4.6 mph - N/A   Overcast
4:34 AM 62.6 °F 62.6 °F 100% 29.66 in 1.5 mi NE 3.5 mph - N/A   Overcast
4:41 AM 62.6 °F 62.6 °F 100% 29.66 in 0.8 mi NNE 3.5 mph - N/A   Overcast
4:55 AM 62.8 °F 62.4 °F 99% 29.66 in 0.8 mi NNE 5.8 mph - N/A   Overcast
5:18 AM 62.6 °F 62.6 °F 100% 29.66 in 0.5 mi NE 9.2 mph - N/A Fog Fog
5:34 AM 62.6 °F 62.6 °F 100% 29.65 in 0.2 mi NE 6.9 mph - N/A Fog Fog
5:55 AM 62.8 °F 62.4 °F 99% 29.65 in 0.5 mi NNE 8.1 mph - N/A Fog Fog
6:08 AM 62.6 °F 62.6 °F 100% 29.65 in 1.5 mi NNE 6.9 mph - N/A   Overcast
6:55 AM 63.0 °F 62.6 °F 99% 29.66 in 3.0 mi ENE 8.1 mph - N/A   Overcast
7:31 AM 62.6 °F 62.6 °F 100% 29.65 in 5.0 mi NNE 5.8 mph - N/A   Overcast
7:55 AM 62.6 °F 61.7 °F 97% 29.64 in 6.0 mi NNE 6.9 mph - N/A   Overcast
8:55 AM 62.2 °F 61.3 °F 97% 29.63 in 7.0 mi ENE 11.5 mph - N/A   Overcast
9:05 AM 62.6 °F 60.8 °F 94% 29.63 in 10.0 mi NE 13.8 mph - N/A Rain Light Rain
9:39 AM 62.6 °F 60.8 °F 94% 29.61 in 10.0 mi NE 10.4 mph - N/A   Overcast
9:55 AM 62.4 °F 61.0 °F 95% 29.63 in 10.0 mi NNE 6.9 mph - 0.01 in   Overcast
10:55 AM 63.1 °F 61.7 °F 95% 29.64 in 10.0 mi NNE 8.1 mph - N/A   Overcast
11:55 AM 64.2 °F 61.9 °F 92% 29.64 in 10.0 mi NE 9.2 mph - N/A   Overcast
12:55 PM 64.0 °F 62.6 °F 95% 29.63 in 2.0 mi NE 6.9 mph - N/A   Overcast
1:32 PM 64.4 °F 62.6 °F 94% 29.62 in 1.5 mi NE 8.1 mph - N/A   Light Drizzle
1:55 PM 63.3 °F 63.0 °F 99% 29.62 in 1.5 mi NE 8.1 mph - 0.00 in   Light Drizzle
2:55 PM 64.0 °F 63.7 °F 99% 29.62 in 1.5 mi NNE 9.2 mph - 0.00 in   Overcast
3:55 PM 64.4 °F 64.0 °F 99% 29.63 in 1.2 mi NNE 4.6 mph - N/A   Overcast
4:55 PM 64.2 °F 64.0 °F 99% 29.65 in 1.2 mi NNE 4.6 mph - N/A   Overcast
5:55 PM 64.2 °F 63.9 °F 99% 29.67 in 1.2 mi North 5.8 mph - N/A   Overcast
6:55 PM 63.9 °F 63.7 °F 99% 29.69 in 1.0 mi NNE 4.6 mph - N/A   Overcast
7:15 PM 64.4 °F 64.4 °F 100% 29.70 in 0.5 mi NE 4.6 mph - N/A Fog Fog
7:47 PM 64.4 °F 64.4 °F 100% 29.70 in 1.0 mi NNE 6.9 mph - N/A   Mist
7:55 PM 64.0 °F 63.7 °F 99% 29.70 in 1.5 mi NNE 6.9 mph - N/A   Overcast
8:19 PM 64.4 °F 64.4 °F 100% 29.72 in 1.5 mi ENE 5.8 mph - N/A   Overcast
8:55 PM 63.7 °F 63.3 °F 99% 29.74 in 1.0 mi NE 6.9 mph - N/A   Overcast
9:32 PM 62.6 °F 62.6 °F 100% 29.76 in 2.5 mi NE 12.7 mph - N/A   Overcast
9:55 PM 59.5 °F 59.2 °F 99% 29.76 in 3.0 mi NNE 12.7 mph - N/A   Overcast
10:04 PM 59.0 °F 59.0 °F 100% 29.77 in 3.0 mi NNE 15.0 mph 20.7 mph N/A   Light Drizzle
10:19 PM 57.2 °F 57.2 °F 100% 29.77 in 4.0 mi NNE 15.0 mph 21.9 mph N/A   Overcast
10:42 PM 57.2 °F 57.2 °F 100% 29.77 in 5.0 mi NE 12.7 mph - N/A   Overcast
10:55 PM 57.4 °F 57.0 °F 99% 29.78 in 6.0 mi NNE 11.5 mph 21.9 mph 0.01 in   Overcast
11:55 PM 55.8 °F 55.4 °F 99% 29.79 in 4.0 mi NE 16.1 mph - N/A   Overcast