Weather History for Portsmouth, NH

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Sunday, February 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 22 °F -  
Max Temperature 29 °F 34 °F 60 °F (1981)
Min Temperature 15 °F 19 °F -7 °F (1979)
Degree Days  
Heating Degree Days 43    
Moisture  
Dew Point 9 °F    
Average Humidity 63    
Maximum Humidity 86    
Minimum Humidity 37    
Precipitation  
Precipitation 0.09 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.45 in    
Wind  
Wind Speed 19 mph (WNW)    
Max Wind Speed 32 mph    
Max Gust Speed 43 mph    
Visibility 6 miles    
Events Fog , 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

Feb. 17, 2013 Rise Set
Actual Time 6:37 AM EST 5:17 PM EST
Civil Twilight 6:08 AM EST 5:46 PM EST
Nautical Twilight 5:35 AM EST 6:19 PM EST
Astronomical Twilight 5:02 AM EST 6:52 PM EST
Moon 10:16 AM EST (2/17) 12:22 AM EST (2/17)
Length of Visible Light 11h 37m
Length of Day
10h 39m
Waxing Crescent, 49% of the Moon is Illuminated
Feb 17
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 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 29.3 °F 18.2 °F 5.5 °F 37% 29.69 in 10.0 mi North 15.0 mph 23.0 mph N/A   Overcast
1:55 AM 28.6 °F 18.2 °F 5.9 °F 38% 29.68 in 10.0 mi North 12.7 mph - N/A   Overcast
2:55 AM 27.7 °F 15.2 °F 5.0 °F 38% 29.64 in 10.0 mi North 17.3 mph - N/A   Overcast
3:55 AM 27.0 °F 16.1 °F 5.4 °F 40% 29.61 in 10.0 mi North 12.7 mph - N/A   Overcast
4:35 AM 26.6 °F 13.1 °F 8.6 °F 47% 29.59 in 4.0 mi North 19.6 mph 33.4 mph N/A Snow Light Snow
4:55 AM 25.2 °F 11.6 °F 11.8 °F 57% 29.57 in 10.0 mi North 18.4 mph 28.8 mph 0.00 in Snow Light Snow
5:31 AM 23.0 °F 7.2 °F 15.8 °F 74% 29.55 in 2.5 mi NW 23.0 mph 31.1 mph N/A Snow Light Snow
5:55 AM 22.8 °F 7.7 °F 17.2 °F 79% 29.53 in 2.0 mi NW 20.7 mph - 0.00 in Snow Light Snow
6:55 AM 22.3 °F 7.4 °F 17.4 °F 82% 29.48 in 1.2 mi NW 19.6 mph 25.3 mph 0.00 in Snow Light Snow
7:55 AM 21.0 °F 7.6 °F 16.7 °F 83% 29.44 in 1.2 mi WNW 15.0 mph 25.3 mph 0.01 in Snow Light Snow
8:55 AM 20.5 °F 6.9 °F 16.2 °F 83% 29.40 in 1.2 mi WNW 15.0 mph - 0.01 in Snow Light Snow
9:14 AM 21.2 °F 7.8 °F 15.8 °F 80% 29.39 in 0.8 mi WNW 15.0 mph 24.2 mph N/A Snow Light Snow
9:55 AM 20.3 °F 4.4 °F 16.2 °F 84% 29.36 in 0.8 mi WNW 20.7 mph 27.6 mph 0.02 in Snow Light Snow
10:22 AM 19.4 °F 3.6 °F 15.8 °F 86% 29.35 in 0.5 mi WNW 19.6 mph 33.4 mph N/A Fog , Snow Snow
10:55 AM 20.1 °F 4.6 °F 15.8 °F 83% 29.34 in 0.8 mi WNW 19.6 mph 26.5 mph 0.02 in Snow Light Snow
11:55 AM 19.9 °F 3.9 °F 15.4 °F 83% 29.32 in 0.8 mi NW 20.7 mph 27.6 mph 0.01 in Snow Light Snow
12:11 PM 19.4 °F 5.0 °F 15.8 °F 86% 29.32 in 0.5 mi WNW 16.1 mph 24.2 mph N/A Snow Snow
12:55 PM 19.8 °F 4.1 °F 15.3 °F 83% 29.31 in 0.8 mi WNW 19.6 mph 27.6 mph 0.02 in Snow Light Snow
1:55 PM 21.0 °F 5.0 °F 13.6 °F 73% 29.30 in 1.2 mi WNW 21.9 mph 33.4 mph 0.00 in Snow Light Snow
2:12 PM 21.2 °F 3.9 °F 12.2 °F 68% 29.30 in 4.0 mi West 26.5 mph 34.5 mph N/A Snow Light Snow
2:55 PM 20.8 °F 3.7 °F 8.4 °F 59% 29.31 in 10.0 mi West 25.3 mph 36.8 mph 0.00 in Snow Light Snow
3:11 PM 21.2 °F 5.2 °F 6.8 °F 54% 29.32 in 10.0 mi WNW 21.9 mph 35.7 mph N/A   Overcast
3:55 PM 20.3 °F 2.3 °F 4.1 °F 50% 29.34 in 10.0 mi West 27.6 mph 38.0 mph 0.00 in   Overcast
4:55 PM 19.8 °F 2.9 °F 2.7 °F 48% 29.37 in 10.0 mi West 23.0 mph 40.3 mph N/A   Overcast
5:55 PM 19.0 °F 1.0 °F 2.8 °F 49% 29.39 in 10.0 mi WNW 26.5 mph 41.4 mph N/A   Overcast
6:55 PM 17.6 °F -0.6 °F 2.7 °F 52% 29.43 in 10.0 mi West 25.3 mph 39.1 mph N/A   Overcast
7:55 PM 17.1 °F -2.0 °F 1.2 °F 50% 29.46 in 8.0 mi WNW 27.6 mph 38.0 mph N/A   Overcast
8:55 PM 16.9 °F -0.9 °F 1.6 °F 51% 29.50 in 8.0 mi West 23.0 mph 36.8 mph N/A   Overcast
9:55 PM 16.5 °F -1.4 °F 1.2 °F 51% 29.53 in 8.0 mi West 23.0 mph 42.6 mph N/A   Overcast
10:55 PM 15.8 °F -3.1 °F 0.9 °F 52% 29.55 in 8.0 mi West 25.3 mph 41.4 mph N/A   Overcast
11:55 PM 15.8 °F -5.0 °F 0.1 °F 50% 29.55 in 8.0 mi West 32.2 mph 41.4 mph N/A   Overcast