Weather History for Portsmouth, NH

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Sunday, December 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 22 °F -  
Max Temperature 26 °F 34 °F 65 °F (1984)
Min Temperature 18 °F 19 °F -1 °F (1987)
Degree Days  
Heating Degree Days 43    
Moisture  
Dew Point 15 °F    
Average Humidity 70    
Maximum Humidity 93    
Minimum Humidity 50    
Precipitation  
Precipitation 0.02 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 4.00 in    
Sea Level Pressure  
Sea Level Pressure 29.60 in    
Wind  
Wind Speed 16 mph (WNW)    
Max Wind Speed 25 mph    
Max Gust Speed 40 mph    
Visibility 9 miles    
Events Snow    
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. 30, 2012 Rise Set
Actual Time 7:14 AM EST 4:17 PM EST
Civil Twilight 6:42 AM EST 4:49 PM EST
Nautical Twilight 6:06 AM EST 5:25 PM EST
Astronomical Twilight 5:32 AM EST 6:00 PM EST
Moon 6:49 PM EST (12/30) 8:18 AM EST (12/30)
Length of Visible Light 10h 07m
Length of Day
9h 02m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
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
12:11 AM 26.6 °F 12.7 °F 23.0 °F 86% 29.43 in 1.0 mi NNW 20.7 mph 28.8 mph N/A Snow Light Snow
12:27 AM 24.8 °F 10.3 °F 23.0 °F 93% 29.42 in 1.5 mi NNW 20.7 mph - N/A Snow Light Snow
12:55 AM 25.3 °F 11.0 °F 21.7 °F 86% 29.43 in 2.0 mi NNW 20.7 mph 28.8 mph 0.01 in Snow Light Snow
1:27 AM 24.8 °F 10.3 °F 21.2 °F 86% 29.43 in 2.5 mi NNW 20.7 mph - N/A Snow Light Snow
1:55 AM 25.5 °F 12.0 °F 21.7 °F 86% 29.43 in 3.0 mi NNW 18.4 mph - 0.01 in Snow Light Snow
2:55 AM 25.7 °F 13.5 °F 21.0 °F 82% 29.43 in 10.0 mi NW 15.0 mph - 0.00 in Snow Light Snow
3:20 AM 26.6 °F 16.8 °F 21.2 °F 80% 29.44 in 10.0 mi NW 10.4 mph - N/A   Overcast
3:35 AM 26.6 °F 17.5 °F 21.2 °F 80% 29.44 in 10.0 mi NW 9.2 mph - N/A Snow Light Snow
3:55 AM 26.2 °F 19.6 °F 22.3 °F 85% 29.44 in 10.0 mi NW 5.8 mph - 0.00 in Snow Light Snow
4:17 AM 24.8 °F 19.1 °F 21.2 °F 86% 29.44 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
4:55 AM 25.2 °F 19.5 °F 22.6 °F 90% 29.46 in 10.0 mi West 4.6 mph - 0.00 in   Overcast
5:37 AM 26.6 °F 19.1 °F 23.0 °F 86% 29.48 in 10.0 mi West 6.9 mph - N/A   Overcast
5:55 AM 26.2 °F 17.8 °F 22.3 °F 85% 29.49 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
6:44 AM 26.6 °F 16.8 °F 19.4 °F 74% 29.51 in 10.0 mi WNW 10.4 mph - N/A Snow Light Snow Showers
6:55 AM 26.8 °F 15.4 °F 20.1 °F 76% 29.52 in 10.0 mi WNW 13.8 mph - 0.00 in Snow Light Snow Showers
7:13 AM 26.6 °F 17.5 °F 19.4 °F 74% 29.53 in 10.0 mi WNW 9.2 mph - N/A   Overcast
7:55 AM 25.7 °F 15.1 °F 18.0 °F 73% 29.55 in 10.0 mi WNW 11.5 mph - 0.00 in   Overcast
8:55 AM 24.3 °F 12.2 °F 14.7 °F 67% 29.57 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Mostly Cloudy
9:55 AM 24.1 °F 8.0 °F 12.7 °F 62% 29.60 in 10.0 mi WNW 25.3 mph 32.2 mph N/A   Mostly Cloudy
10:55 AM 24.8 °F 10.3 °F 12.2 °F 59% 29.62 in 10.0 mi WNW 20.7 mph 31.1 mph N/A   Mostly Cloudy
11:55 AM 24.4 °F 9.5 °F 12.4 °F 60% 29.61 in 10.0 mi WNW 21.9 mph 33.4 mph N/A   Overcast
12:55 PM 25.0 °F 11.7 °F 12.6 °F 59% 29.62 in 10.0 mi WNW 17.3 mph 26.5 mph N/A   Overcast
1:55 PM 25.0 °F 11.7 °F 10.8 °F 55% 29.64 in 10.0 mi WNW 17.3 mph 39.1 mph N/A   Mostly Cloudy
2:55 PM 23.9 °F 7.8 °F 11.1 °F 58% 29.67 in 10.0 mi WNW 25.3 mph 40.3 mph N/A   Mostly Cloudy
3:55 PM 24.8 °F 11.9 °F 8.4 °F 50% 29.70 in 10.0 mi WNW 16.1 mph 23.0 mph N/A   Mostly Cloudy
4:55 PM 22.5 °F 6.9 °F 7.7 °F 53% 29.74 in 10.0 mi WNW 21.9 mph 36.8 mph N/A   Partly Cloudy
5:55 PM 21.2 °F 7.3 °F 7.3 °F 55% 29.79 in 10.0 mi WNW 16.1 mph 29.9 mph N/A   Partly Cloudy
6:55 PM 20.1 °F 5.0 °F 7.0 °F 57% 29.82 in 10.0 mi WNW 18.4 mph 32.2 mph N/A   Clear
7:55 PM 19.0 °F 3.2 °F 5.7 °F 56% 29.86 in 10.0 mi WNW 19.6 mph 29.9 mph N/A   Clear
8:55 PM 18.7 °F 3.1 °F 5.0 °F 55% 29.88 in 10.0 mi West 18.4 mph 29.9 mph N/A   Clear
9:55 PM 18.0 °F 2.2 °F 4.5 °F 56% 29.89 in 10.0 mi WNW 18.4 mph 28.8 mph N/A   Clear
10:55 PM 18.0 °F 4.2 °F 4.1 °F 55% 29.90 in 10.0 mi WNW 13.8 mph - N/A   Clear
11:55 PM 18.3 °F 3.1 °F 4.3 °F 54% 29.90 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Clear