Weather History for Portsmouth, NH

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Friday, December 28, 2012

  Actual Average Record
Temperature  
Mean Temperature 30 °F -  
Max Temperature 34 °F 34 °F 57 °F (1982)
Min Temperature 25 °F 19 °F -3 °F (1989)
Degree Days  
Heating Degree Days 36    
Moisture  
Dew Point 21 °F    
Average Humidity 69    
Maximum Humidity 82    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 11 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 25 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

Dec. 28, 2012 Rise Set
Actual Time 7:14 AM EST 4:16 PM EST
Civil Twilight 6:41 AM EST 4:48 PM EST
Nautical Twilight 6:06 AM EST 5:24 PM EST
Astronomical Twilight 5:31 AM EST 5:58 PM EST
Moon 4:51 PM EST (12/28) 7:05 AM EST (12/28)
Length of Visible Light 10h 06m
Length of Day
9h 01m
Full, 100% of the Moon is Illuminated
Dec 28
Full
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 22.9 °F 25.0 °F 77% 29.61 in 10.0 mi NW 10.4 mph - N/A   Overcast
1:55 AM 29.7 °F 20.1 °F 24.8 °F 82% 29.65 in 10.0 mi West 11.5 mph - N/A   Overcast
2:55 AM 28.2 °F 17.7 °F 22.3 °F 78% 29.67 in 10.0 mi West 12.7 mph 19.6 mph N/A   Overcast
3:55 AM 27.7 °F 15.6 °F 20.7 °F 75% 29.70 in 10.0 mi WNW 16.1 mph 23.0 mph N/A   Overcast
4:55 AM 27.0 °F 16.1 °F 20.1 °F 75% 29.73 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
5:55 AM 26.6 °F 15.2 °F 19.4 °F 74% 29.76 in 10.0 mi WNW 13.8 mph - N/A   Mostly Cloudy
6:55 AM 25.9 °F 16.6 °F 18.5 °F 74% 29.78 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
7:55 AM 26.6 °F 18.2 °F 18.7 °F 72% 29.80 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
8:55 AM 28.9 °F 19.8 °F 19.6 °F 68% 29.84 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
9:55 AM 31.1 °F 21.9 °F 21.0 °F 66% 29.86 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
10:55 AM 33.3 °F 24.6 °F 21.6 °F 62% 29.85 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
11:55 AM 34.2 °F 25.2 °F 22.1 °F 61% 29.85 in 10.0 mi WNW 12.7 mph - N/A   Partly Cloudy
12:55 PM 34.9 °F 24.6 °F 21.7 °F 59% 29.85 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Partly Cloudy
1:55 PM 34.3 °F 25.5 °F 21.7 °F 60% 29.87 in 10.0 mi West 12.7 mph 21.9 mph N/A   Partly Cloudy
2:55 PM 33.6 °F 24.6 °F 20.7 °F 59% 29.89 in 10.0 mi WNW 12.7 mph 20.7 mph N/A   Partly Cloudy
3:55 PM 32.2 °F 24.4 °F 20.3 °F 62% 29.91 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
4:55 PM 29.7 °F 24.7 °F 19.8 °F 67% 29.93 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
5:55 PM 29.7 °F 22.0 °F 20.3 °F 68% 29.96 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
6:55 PM 29.1 °F 23.0 °F 20.5 °F 70% 29.96 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
7:55 PM 28.8 °F 20.9 °F 20.5 °F 71% 29.96 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
8:55 PM 29.8 °F 23.0 °F 20.7 °F 69% 29.99 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
9:55 PM 28.8 °F 20.2 °F 19.9 °F 70% 29.98 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
10:55 PM 28.2 °F 20.2 °F 19.8 °F 71% 29.98 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
11:55 PM 28.9 °F 21.1 °F 19.8 °F 69% 29.98 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy