Weather History for Portsmouth, NH

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Tuesday, January 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 24 °F -  
Max Temperature 34 °F 34 °F 56 °F (2011)
Min Temperature 15 °F 20 °F -2 °F (1997)
Degree Days  
Heating Degree Days 40    
Moisture  
Dew Point 11 °F    
Average Humidity 52    
Maximum Humidity 70    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 3.00 in    
Sea Level Pressure  
Sea Level Pressure 29.76 in    
Wind  
Wind Speed 12 mph (West)    
Max Wind Speed 22 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
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

Jan. 01, 2013 Rise Set
Actual Time 7:14 AM EST 4:19 PM EST
Civil Twilight 6:42 AM EST 4:51 PM EST
Nautical Twilight 6:06 AM EST 5:27 PM EST
Astronomical Twilight 5:32 AM EST 6:01 PM EST
Moon 8:54 PM EST (1/1) 9:18 AM EST (1/1)
Length of Visible Light 10h 08m
Length of Day
9h 04m
Waning Gibbous, 83% of the Moon is Illuminated
Jan 1
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 31.5 °F 24.9 °F 19.9 °F 62% 29.70 in 10.0 mi Variable 6.9 mph - N/A   Overcast
1:55 AM 32.2 °F 23.8 °F 20.1 °F 61% 29.70 in 10.0 mi SW 10.4 mph - N/A   Overcast
2:55 AM 31.5 °F 24.2 °F 20.3 °F 63% 29.68 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
3:55 AM 31.6 °F 23.7 °F 21.0 °F 65% 29.67 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
4:55 AM 32.4 °F 24.6 °F 22.1 °F 66% 29.67 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
5:55 AM 32.2 °F 25.8 °F 22.8 °F 68% 29.68 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
6:55 AM 31.8 °F 27.3 °F 23.2 °F 70% 29.70 in 10.0 mi WSW 4.6 mph - N/A   Partly Cloudy
7:55 AM 33.3 °F 25.7 °F 20.3 °F 59% 29.71 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
8:55 AM 33.4 °F 22.7 °F 14.9 °F 47% 29.71 in 10.0 mi WNW 17.3 mph - N/A   Partly Cloudy
9:55 AM 34.3 °F 23.2 °F 13.8 °F 43% 29.73 in 10.0 mi West 19.6 mph 26.5 mph N/A   Mostly Cloudy
10:55 AM 31.3 °F 18.5 °F 15.8 °F 53% 29.75 in 10.0 mi NW 21.9 mph 26.5 mph N/A   Mostly Cloudy
11:55 AM 31.1 °F 19.7 °F 13.8 °F 49% 29.75 in 10.0 mi WNW 17.3 mph 26.5 mph N/A   Mostly Cloudy
12:55 PM 30.0 °F 18.3 °F 11.1 °F 45% 29.73 in 10.0 mi West 17.3 mph 28.8 mph N/A   Scattered Clouds
1:55 PM 29.7 °F 17.8 °F 10.8 °F 45% 29.72 in 10.0 mi West 17.3 mph 27.6 mph N/A   Partly Cloudy
2:55 PM 29.5 °F 16.2 °F 7.9 °F 40% 29.73 in 10.0 mi WNW 21.9 mph 26.5 mph N/A   Partly Cloudy
3:55 PM 27.9 °F 14.7 °F 6.4 °F 40% 29.75 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Partly Cloudy
4:55 PM 24.8 °F 11.9 °F 6.6 °F 46% 29.78 in 10.0 mi NW 16.1 mph 25.3 mph N/A   Partly Cloudy
5:55 PM 23.0 °F 9.2 °F 2.3 °F 41% 29.81 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Partly Cloudy
6:55 PM 21.2 °F 7.8 °F 2.5 °F 44% 29.85 in 10.0 mi WNW 15.0 mph 24.2 mph N/A   Partly Cloudy
7:55 PM 19.8 °F 5.9 °F 3.0 °F 48% 29.87 in 10.0 mi WNW 15.0 mph 19.6 mph N/A   Partly Cloudy
8:55 PM 18.5 °F 4.3 °F 0.7 °F 46% 29.88 in 10.0 mi WNW 15.0 mph - N/A   Clear
9:55 PM 17.1 °F 3.6 °F -0.9 °F 45% 29.89 in 10.0 mi WNW 12.7 mph - N/A   Clear
10:55 PM 15.8 °F 4.2 °F -1.5 °F 47% 29.91 in 10.0 mi West 9.2 mph - N/A   Clear
11:55 PM 15.1 °F 2.5 °F -1.8 °F 47% 29.90 in 10.0 mi WNW 10.4 mph 17.3 mph N/A   Clear