Weather History for Portsmouth, NH

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Wednesday, December 28, 2011

  Actual Average Record
Temperature  
Mean Temperature 38 °F -  
Max Temperature 51 °F 34 °F 57 °F (1982)
Min Temperature 25 °F 19 °F -3 °F (1989)
Degree Days  
Heating Degree Days 26    
Moisture  
Dew Point 35 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 50    
Precipitation  
Precipitation 0.02 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.31 in    
Wind  
Wind Speed 15 mph (SW)    
Max Wind Speed 26 mph    
Max Gust Speed 39 mph    
Visibility 8 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

Dec. 28, 2011 Rise Set
Actual Time 7:14 AM EST 4:15 PM EST
Civil Twilight 6:41 AM EST 4:47 PM EST
Nautical Twilight 6:05 AM EST 5:23 PM EST
Astronomical Twilight 5:31 AM EST 5:58 PM EST
Moon 9:32 AM EST (12/28) 8:55 PM EST (12/28)
Length of Visible Light 10h 06m
Length of Day
9h 01m
Waxing Crescent, 18% of the Moon is Illuminated
Dec 28
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 51.6 °F - 50.7 °F 97% 29.30 in 6.0 mi SSE 26.5 mph 39.1 mph 0.02 in Rain Light Rain
1:55 AM 51.6 °F - 51.3 °F 99% 29.27 in 3.0 mi SSE 20.7 mph 29.9 mph 0.00 in Rain Light Rain
2:32 AM 51.8 °F - 51.8 °F 100% 29.26 in 4.0 mi South 12.7 mph - N/A   Overcast
2:55 AM 51.1 °F - 50.9 °F 99% 29.24 in 2.0 mi SSE 10.4 mph - 0.00 in   Overcast
3:30 AM 50.0 °F - 50.0 °F 100% 29.23 in 0.5 mi SSE 6.9 mph - N/A Fog Fog
3:37 AM 50.0 °F - 50.0 °F 100% 29.23 in 0.4 mi SSE 8.1 mph - N/A Fog Fog
3:45 AM 50.0 °F - 50.0 °F 100% 29.22 in 0.1 mi SE 9.2 mph - N/A Fog Fog
3:55 AM 50.2 °F - 50.0 °F 99% 29.22 in 0.1 mi SE 8.1 mph - N/A Fog Fog
4:26 AM 50.0 °F - 50.0 °F 100% 29.21 in 5.0 mi South 5.8 mph - N/A   Scattered Clouds
4:55 AM 48.9 °F - 48.6 °F 99% 29.21 in 7.0 mi South 4.6 mph - N/A   Mostly Cloudy
5:36 AM 50.0 °F - 50.0 °F 100% 29.23 in 8.0 mi SW 8.1 mph - N/A   Mostly Cloudy
5:55 AM 49.5 °F - 49.1 °F 99% 29.24 in 8.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
6:55 AM 48.2 °F - 43.3 °F 83% 29.24 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
7:34 AM 48.2 °F - 42.8 °F 82% 29.25 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
7:55 AM 46.6 °F - 37.9 °F 72% 29.26 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
8:55 AM 45.1 °F 39.5 °F 35.4 °F 69% 29.27 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
9:55 AM 46.4 °F 41.9 °F 34.7 °F 64% 29.28 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
10:55 AM 46.6 °F - 32.0 °F 57% 29.26 in 10.0 mi West 15.0 mph 25.3 mph N/A   Scattered Clouds
11:55 AM 47.1 °F - 31.1 °F 54% 29.25 in 10.0 mi WSW 16.1 mph 24.2 mph N/A   Mostly Cloudy
12:55 PM 45.0 °F 38.2 °F 29.8 °F 55% 29.26 in 10.0 mi WSW 15.0 mph 20.7 mph N/A   Mostly Cloudy
1:55 PM 43.9 °F 35.9 °F 28.0 °F 54% 29.27 in 10.0 mi West 18.4 mph 26.5 mph N/A   Mostly Cloudy
2:55 PM 41.9 °F 33.4 °F 26.6 °F 55% 29.30 in 10.0 mi West 18.4 mph 28.8 mph N/A   Mostly Cloudy
3:55 PM 38.7 °F 29.8 °F 23.5 °F 55% 29.33 in 10.0 mi West 16.1 mph 31.1 mph N/A   Scattered Clouds
4:55 PM 36.0 °F 27.5 °F 20.3 °F 53% 29.37 in 10.0 mi West 12.7 mph 25.3 mph N/A   Scattered Clouds
5:55 PM 33.8 °F 23.2 °F 18.5 °F 54% 29.40 in 10.0 mi West 17.3 mph 25.3 mph N/A   Mostly Cloudy
6:55 PM 32.7 °F 20.7 °F 16.9 °F 52% 29.43 in 10.0 mi West 20.7 mph 29.9 mph N/A   Mostly Cloudy
7:55 PM 31.1 °F 19.7 °F 15.3 °F 52% 29.46 in 10.0 mi West 17.3 mph 24.2 mph N/A   Mostly Cloudy
8:55 PM 29.1 °F 17.1 °F 15.8 °F 58% 29.49 in 10.0 mi West 17.3 mph 24.2 mph N/A   Scattered Clouds
9:55 PM 27.7 °F 14.5 °F 11.7 °F 51% 29.52 in 10.0 mi WNW 19.6 mph 34.5 mph N/A   Partly Cloudy
10:55 PM 26.4 °F 13.6 °F 10.9 °F 52% 29.54 in 10.0 mi West 17.3 mph 28.8 mph N/A   Clear
11:55 PM 25.7 °F 12.3 °F 9.3 °F 50% 29.56 in 10.0 mi West 18.4 mph 32.2 mph N/A   Clear