Weather History for Portsmouth, NH

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Saturday, September 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 67 °F 68 °F 89 °F (1980)
Min Temperature 53 °F 49 °F 31 °F (1973)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 76    
Precipitation  
Precipitation 0.02 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 6 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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Date:

Astronomy

Sep. 22, 2012 Rise Set
Actual Time 6:31 AM EDT 6:39 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 1:55 PM EDT (9/22) 11:32 PM EDT (9/22)
Length of Visible Light 13h 05m
Length of Day
12h 08m
Waxing Crescent, 48% of the Moon is Illuminated
Sep 22
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:27 AM 55.4 °F 53.6 °F 94% 30.05 in 2.0 mi NNW 8.1 mph - N/A   Light Drizzle
12:55 AM 54.1 °F 53.2 °F 97% 30.05 in 1.2 mi North 9.2 mph - 0.00 in Rain Light Rain
1:55 AM 54.5 °F 54.0 °F 98% 30.03 in 1.2 mi NNE 6.9 mph - 0.01 in   Light Drizzle
2:55 AM 54.7 °F 54.1 °F 98% 30.01 in 4.0 mi North 5.8 mph - 0.00 in   Overcast
3:42 AM 53.6 °F 53.6 °F 100% 30.00 in 6.0 mi NNW 9.2 mph - N/A   Overcast
3:55 AM 54.5 °F 53.4 °F 96% 30.00 in 7.0 mi NNW 8.1 mph - N/A   Overcast
4:24 AM 53.6 °F 53.6 °F 100% 30.01 in 5.0 mi North 6.9 mph - N/A   Overcast
4:38 AM 53.6 °F 53.6 °F 100% 30.00 in 1.2 mi North 6.9 mph - N/A   Overcast
4:55 AM 54.3 °F 53.1 °F 95% 29.99 in 1.2 mi North 4.6 mph - N/A   Overcast
5:08 AM 53.6 °F 53.6 °F 100% 29.99 in 3.0 mi NNW 4.6 mph - N/A   Overcast
5:35 AM 53.6 °F 53.6 °F 100% 29.98 in 3.0 mi NNW 4.6 mph - N/A   Overcast
5:42 AM 53.6 °F 53.6 °F 100% 29.98 in 1.0 mi NNW 4.6 mph - N/A Rain Light Rain
5:55 AM 54.1 °F 53.2 °F 97% 29.98 in 0.8 mi NW 6.9 mph - 0.01 in Rain Light Rain
6:55 AM 54.1 °F 53.8 °F 99% 29.99 in 1.0 mi NW 5.8 mph - 0.00 in   Overcast
7:55 AM 55.0 °F 54.7 °F 99% 29.98 in 1.0 mi NNW 4.6 mph - N/A   Overcast
8:18 AM 55.4 °F 55.4 °F 100% 29.97 in 2.0 mi NNW 4.6 mph - N/A   Overcast
8:55 AM 55.9 °F 55.4 °F 98% 29.98 in 1.0 mi NW 4.6 mph - 0.00 in   Light Drizzle
9:55 AM 56.8 °F 56.3 °F 98% 29.97 in 0.8 mi West 6.9 mph - 0.00 in   Light Drizzle
10:15 AM 57.2 °F 57.2 °F 100% 29.96 in 1.5 mi WNW 4.6 mph - N/A   Overcast
10:28 AM 57.2 °F 57.2 °F 100% 29.96 in 4.0 mi WNW 6.9 mph - N/A   Overcast
10:55 AM 58.3 °F 56.7 °F 94% 29.95 in 4.0 mi Variable 3.5 mph - 0.00 in   Overcast
11:55 AM 60.6 °F 58.3 °F 92% 29.93 in 10.0 mi WSW 3.5 mph - N/A   Overcast
12:55 PM 61.5 °F 58.1 °F 89% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
1:55 PM 64.4 °F 58.6 °F 82% 29.89 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
2:29 PM 66.2 °F 59.0 °F 78% 29.88 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
2:55 PM 66.4 °F 59.0 °F 77% 29.87 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
3:55 PM 66.2 °F 58.5 °F 76% 29.86 in 10.0 mi SE 9.2 mph - N/A   Partly Cloudy
4:55 PM 65.1 °F 58.3 °F 78% 29.86 in 10.0 mi SE 10.4 mph - N/A   Partly Cloudy
5:55 PM 63.9 °F 57.9 °F 81% 29.86 in 10.0 mi SE 8.1 mph - N/A   Clear
6:55 PM 60.8 °F 57.6 °F 89% 29.86 in 10.0 mi SE 8.1 mph - N/A   Partly Cloudy
7:55 PM 59.5 °F 57.6 °F 93% 29.85 in 10.0 mi SE 9.2 mph - N/A   Partly Cloudy
8:55 PM 59.0 °F 57.9 °F 96% 29.84 in 10.0 mi SSE 6.9 mph - N/A   Partly Cloudy
9:55 PM 59.0 °F 57.6 °F 95% 29.85 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
10:55 PM 59.4 °F 57.7 °F 94% 29.85 in 10.0 mi SE 6.9 mph - N/A   Scattered Clouds
11:21 PM 60.8 °F 57.2 °F 88% 29.82 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
11:55 PM 61.5 °F 58.3 °F 89% 29.83 in 10.0 mi SSE 3.5 mph - N/A   Overcast