Weather History for Portsmouth, NH

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Saturday, December 15, 2012

  Actual Average Record
Temperature  
Mean Temperature 32 °F -  
Max Temperature 40 °F 38 °F 63 °F (1975)
Min Temperature 24 °F 23 °F -1 °F (1980)
Degree Days  
Heating Degree Days 32    
Moisture  
Dew Point 17 °F    
Average Humidity 53    
Maximum Humidity 72    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 7 mph (North)    
Max Wind Speed 12 mph    
Max Gust Speed -    
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. 15, 2012 Rise Set
Actual Time 7:08 AM EST 4:09 PM EST
Civil Twilight 6:35 AM EST 4:41 PM EST
Nautical Twilight 5:59 AM EST 5:17 PM EST
Astronomical Twilight 5:25 AM EST 5:52 PM EST
Moon 8:55 AM EST (12/15) 7:12 PM EST (12/15)
Length of Visible Light 10h 05m
Length of Day
9h 00m
Waxing Crescent, 8% of the Moon is Illuminated
Dec 15
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
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 38.3 °F 33.9 °F 25.7 °F 61% 30.16 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
1:55 AM 32.7 °F 23.9 °F 24.6 °F 72% 30.18 in 10.0 mi NW 11.5 mph - N/A   Partly Cloudy
2:55 AM 33.3 °F 25.7 °F 22.3 °F 64% 30.18 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
3:55 AM 34.0 °F 27.2 °F 21.6 °F 60% 30.19 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
4:55 AM 34.3 °F 29.2 °F 20.3 °F 57% 30.22 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
5:55 AM 32.5 °F 26.2 °F 20.5 °F 61% 30.25 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
6:55 AM 31.5 °F 24.9 °F 19.9 °F 62% 30.27 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
7:55 AM 32.5 °F 26.2 °F 19.9 °F 60% 30.30 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
8:55 AM 35.2 °F 28.8 °F 19.8 °F 53% 30.31 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
9:55 AM 36.0 °F 29.0 °F 19.0 °F 50% 30.32 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
10:55 AM 37.6 °F 30.5 °F 19.0 °F 47% 30.30 in 10.0 mi NNW 10.4 mph - N/A   Clear
11:55 AM 39.4 °F 36.1 °F 18.3 °F 43% 30.29 in 10.0 mi NNW 4.6 mph - N/A   Partly Cloudy
12:55 PM 40.1 °F 36.9 °F 17.6 °F 40% 30.29 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
1:55 PM 38.5 °F 34.1 °F 14.7 °F 38% 30.28 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
2:55 PM 36.3 °F 30.8 °F 11.7 °F 36% 30.29 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
3:55 PM 33.4 °F 26.6 °F 10.4 °F 38% 30.30 in 10.0 mi East 8.1 mph - N/A   Partly Cloudy
4:55 PM 31.6 °F 25.1 °F 12.6 °F 45% 30.32 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
5:55 PM 29.8 °F 23.9 °F 14.4 °F 53% 30.32 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
6:55 PM 29.8 °F 23.9 °F 13.8 °F 51% 30.33 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
7:55 PM 27.9 °F 20.6 °F 11.8 °F 51% 30.35 in 10.0 mi NNE 6.9 mph - N/A   Partly Cloudy
8:55 PM 27.3 °F 19.1 °F 14.0 °F 57% 30.35 in 10.0 mi NNE 8.1 mph - N/A   Scattered Clouds
9:33 PM 26.6 °F 19.1 °F 14.0 °F 59% 30.36 in 10.0 mi NNE 6.9 mph - N/A   Scattered Clouds
9:55 PM 26.2 °F 18.6 °F 14.5 °F 61% 30.37 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
10:55 PM 25.0 °F 14.8 °F 10.8 °F 55% 30.37 in 10.0 mi NNE 10.4 mph - N/A   Overcast
11:55 PM 24.3 °F 15.4 °F 8.8 °F 52% 30.36 in 10.0 mi NNE 8.1 mph - N/A   Overcast