Weather History for Portsmouth, NH

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Friday, October 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 45 °F -  
Max Temperature 54 °F 59 °F 79 °F (1995)
Min Temperature 36 °F 41 °F 25 °F (1982)
Degree Days  
Heating Degree Days 20    
Moisture  
Dew Point 31 °F    
Average Humidity 59    
Maximum Humidity 81    
Minimum Humidity 37    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 28 mph    
Visibility 10 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

Oct. 12, 2012 Rise Set
Actual Time 6:53 AM EDT 6:04 PM EDT
Civil Twilight 6:25 AM EDT 6:33 PM EDT
Nautical Twilight 5:52 AM EDT 7:06 PM EDT
Astronomical Twilight 5:19 AM EDT 7:38 PM EDT
Moon 3:28 AM EDT (10/12) 4:16 PM EDT (10/12)
Length of Visible Light 12h 07m
Length of Day
11h 10m
Waning Crescent, 11% of the Moon is Illuminated
Oct 12
Waning Crescent
Oct 15
New
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 42.1 °F - 34.3 °F 74% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:55 AM 45.5 °F 41.3 °F 34.9 °F 66% 30.04 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
2:55 AM 46.9 °F - 34.7 °F 62% 30.01 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
3:55 AM 45.5 °F 40.3 °F 34.5 °F 65% 29.99 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
4:55 AM 45.7 °F 40.2 °F 34.9 °F 66% 29.98 in 10.0 mi SW 11.5 mph 17.3 mph N/A   Mostly Cloudy
5:55 AM 45.0 °F 39.7 °F 34.9 °F 68% 29.97 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
6:55 AM 44.8 °F 39.9 °F 34.9 °F 68% 29.97 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
7:55 AM 46.4 °F 42.9 °F 36.1 °F 67% 29.98 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
8:55 AM 48.7 °F - 36.9 °F 64% 30.01 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
9:17 AM 48.2 °F - 37.4 °F 66% 30.02 in 10.0 mi West 9.2 mph - N/A Rain Light Rain
9:55 AM 46.6 °F - 40.6 °F 80% 30.04 in 7.0 mi West 10.4 mph - 0.00 in Rain Light Rain
10:44 AM 44.6 °F 40.2 °F 39.2 °F 81% 30.05 in 10.0 mi West 8.1 mph 18.4 mph N/A   Overcast
10:55 AM 45.7 °F 42.0 °F 39.6 °F 79% 30.05 in 10.0 mi West 6.9 mph - 0.01 in   Overcast
11:55 AM 48.0 °F - 40.6 °F 76% 30.06 in 10.0 mi WSW 8.1 mph - N/A   Overcast
12:55 PM 48.9 °F - 33.4 °F 55% 30.06 in 10.0 mi NW 12.7 mph 21.9 mph N/A   Overcast
1:55 PM 52.0 °F - 31.3 °F 45% 30.06 in 10.0 mi NNW 19.6 mph 24.2 mph N/A   Mostly Cloudy
2:55 PM 53.2 °F - 27.3 °F 37% 30.08 in 10.0 mi NW 16.1 mph 26.5 mph N/A   Mostly Cloudy
3:55 PM 52.3 °F - 26.6 °F 37% 30.11 in 10.0 mi NW 19.6 mph 26.5 mph N/A   Scattered Clouds
4:55 PM 48.6 °F - 25.5 °F 41% 30.13 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
5:55 PM 46.8 °F - 23.7 °F 40% 30.17 in 10.0 mi NW 16.1 mph 27.6 mph N/A   Partly Cloudy
6:55 PM 43.7 °F 37.7 °F 24.8 °F 47% 30.21 in 10.0 mi NW 11.5 mph 24.2 mph N/A   Partly Cloudy
7:55 PM 42.3 °F 34.4 °F 22.6 °F 46% 30.25 in 10.0 mi WNW 16.1 mph 27.6 mph N/A   Partly Cloudy
8:55 PM 40.3 °F 33.0 °F 20.8 °F 46% 30.28 in 10.0 mi WNW 12.7 mph - N/A   Partly Cloudy
9:55 PM 38.1 °F 32.3 °F 21.9 °F 52% 30.32 in 10.0 mi WNW 8.1 mph - N/A   Clear
10:55 PM 37.0 °F 29.8 °F 22.8 °F 56% 30.33 in 10.0 mi West 10.4 mph - N/A   Clear
11:55 PM 36.0 °F 30.3 °F 23.2 °F 60% 30.35 in 10.0 mi WNW 6.9 mph - N/A   Clear