Weather History for Portsmouth, NH

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 25 °F -  
Max Temperature 28 °F 35 °F 59 °F (1997)
Min Temperature 22 °F 19 °F -7 °F (1978)
Degree Days  
Heating Degree Days 40    
Moisture  
Dew Point 10 °F    
Average Humidity 53    
Maximum Humidity 67    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 14 mph (WNW)    
Max Wind Speed 21 mph    
Max Gust Speed 26 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

Feb. 21, 2013 Rise Set
Actual Time 6:31 AM EST 5:22 PM EST
Civil Twilight 6:02 AM EST 5:51 PM EST
Nautical Twilight 5:29 AM EST 6:24 PM EST
Astronomical Twilight 4:57 AM EST 6:57 PM EST
Moon 1:30 PM EST (2/21) 3:38 AM EST (2/21)
Length of Visible Light 11h 48m
Length of Day
10h 50m
Waxing Gibbous, 83% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

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 25.9 °F 14.8 °F 13.3 °F 59% 29.72 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
1:55 AM 25.5 °F 15.5 °F 13.1 °F 59% 29.72 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
2:55 AM 25.3 °F 13.1 °F 13.3 °F 60% 29.71 in 10.0 mi West 15.0 mph - N/A   Scattered Clouds
3:55 AM 25.0 °F 13.6 °F 12.6 °F 59% 29.72 in 10.0 mi West 12.7 mph 19.6 mph N/A   Mostly Cloudy
4:55 AM 24.4 °F 13.0 °F 10.8 °F 56% 29.74 in 10.0 mi West 12.7 mph 25.3 mph N/A   Scattered Clouds
5:55 AM 23.7 °F 11.5 °F 8.6 °F 53% 29.76 in 10.0 mi West 13.8 mph 25.3 mph N/A   Mostly Cloudy
6:55 AM 22.8 °F 9.9 °F 7.5 °F 52% 29.77 in 10.0 mi West 15.0 mph 23.0 mph N/A   Mostly Cloudy
7:55 AM 22.6 °F 8.7 °F 7.0 °F 51% 29.78 in 10.0 mi West 17.3 mph 25.3 mph N/A   Mostly Cloudy
8:55 AM 23.7 °F 10.5 °F 7.0 °F 49% 29.78 in 10.0 mi WNW 16.1 mph 23.0 mph N/A   Scattered Clouds
9:55 AM 23.9 °F 9.9 °F 6.4 °F 47% 29.78 in 10.0 mi WNW 18.4 mph 23.0 mph N/A   Partly Cloudy
10:55 AM 25.2 °F 11.2 °F 7.9 °F 48% 29.79 in 10.0 mi NW 19.6 mph 26.5 mph N/A   Partly Cloudy
11:55 AM 26.8 °F 14.5 °F 7.2 °F 44% 29.80 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Scattered Clouds
12:55 PM 27.3 °F 13.6 °F 9.9 °F 48% 29.79 in 10.0 mi NW 20.7 mph 26.5 mph N/A   Mostly Cloudy
1:55 PM 28.2 °F 17.2 °F 10.2 °F 47% 29.81 in 10.0 mi WNW 13.8 mph - N/A   Mostly Cloudy
2:55 PM 26.8 °F 14.9 °F 8.8 °F 47% 29.83 in 10.0 mi NW 15.0 mph 23.0 mph N/A   Overcast
3:55 PM 27.3 °F 15.6 °F 10.0 °F 48% 29.86 in 10.0 mi WNW 15.0 mph 21.9 mph N/A   Overcast
4:55 PM 27.5 °F 17.4 °F 10.4 °F 49% 29.91 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
5:55 PM 26.4 °F 16.0 °F 10.0 °F 50% 29.95 in 10.0 mi WNW 11.5 mph 21.9 mph N/A   Scattered Clouds
6:55 PM 25.2 °F 13.3 °F 10.0 °F 53% 29.99 in 10.0 mi WNW 13.8 mph - N/A   Scattered Clouds
7:55 PM 25.2 °F 14.4 °F 10.8 °F 54% 30.03 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
8:55 PM 25.5 °F 14.9 °F 12.0 °F 57% 30.07 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
9:55 PM 26.1 °F 15.0 °F 14.4 °F 61% 30.09 in 10.0 mi NW 12.7 mph - N/A   Clear
10:55 PM 25.7 °F 15.7 °F 14.0 °F 61% 30.12 in 10.0 mi NW 10.4 mph - N/A   Clear
11:55 PM 24.3 °F 14.6 °F 14.5 °F 67% 30.17 in 10.0 mi West 9.2 mph - N/A   Clear