Weather History for Portsmouth, NH

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Wednesday, February 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 12 °F -  
Max Temperature 25 °F 33 °F 63 °F (1981)
Min Temperature 0 °F 17 °F -8 °F (1979)
Degree Days  
Heating Degree Days 52    
Moisture  
Dew Point -4 °F    
Average Humidity 48    
Maximum Humidity 71    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 7.00 in    
Sea Level Pressure  
Sea Level Pressure 30.49 in    
Wind  
Wind Speed 5 mph (WSW)    
Max Wind Speed 8 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

Feb. 12, 2014 Rise Set
Actual Time 6:45 AM EST 5:10 PM EST
Civil Twilight 6:15 AM EST 5:39 PM EST
Nautical Twilight 5:42 AM EST 6:13 PM EST
Astronomical Twilight 5:09 AM EST 6:46 PM EST
Moon 3:20 PM EST (2/12) 5:01 AM EST (2/12)
Length of Visible Light 11h 24m
Length of Day
10h 25m
Waxing Gibbous, 95% of the Moon is Illuminated
Feb 12
Waxing Gibbous
Feb 14
Full
Feb 22
Last Quarter
Mar 1
New
Mar 8
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 8.4 °F -3.9 °F -6.7 °F 50% 30.44 in 10.0 mi WNW 8.1 mph - N/A   Clear
1:58 AM 6.8 °F -4.8 °F -8.3 °F 50% 30.44 in 10.0 mi WNW 6.9 mph - N/A   Clear
2:58 AM 5.5 °F -5.0 °F -8.3 °F 53% 30.44 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:58 AM 5.2 °F -5.4 °F -7.6 °F 56% 30.45 in 10.0 mi West 5.8 mph - N/A   Clear
4:58 AM 3.9 °F -6.9 °F -7.6 °F 59% 30.48 in 10.0 mi West 5.8 mph - N/A   Clear
5:58 AM 2.1 °F - -7.8 °F 63% 30.50 in 10.0 mi NW 2.3 mph - N/A   Clear
6:58 AM -0.6 °F -8.5 °F -8.0 °F 71% 30.52 in 10.0 mi WSW 3.5 mph - N/A   Clear
7:58 AM 3.9 °F - -3.6 °F 71% 30.54 in 10.0 mi WNW 1.2 mph - N/A   Clear
8:58 AM 7.7 °F 1.0 °F -3.5 °F 60% 30.54 in 10.0 mi NNW 3.5 mph - N/A   Clear
9:58 AM 12.2 °F - -4.5 °F 47% 30.57 in 10.0 mi NNW 2.3 mph - N/A   Clear
10:58 AM 14.9 °F 5.0 °F -4.5 °F 42% 30.57 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
11:58 AM 21.2 °F - -5.4 °F 31% 30.54 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:58 PM 25.0 °F - -9.0 °F 22% 30.52 in 10.0 mi WSW 2.3 mph - N/A   Scattered Clouds
1:58 PM 24.8 °F 20.5 °F -8.1 °F 23% 30.51 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
2:58 PM 24.6 °F 18.8 °F -9.2 °F 22% 30.49 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
3:58 PM 22.8 °F 13.6 °F -2.2 °F 34% 30.50 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
4:58 PM 21.0 °F 13.4 °F -2.2 °F 36% 30.47 in 10.0 mi SE 5.8 mph - N/A   Overcast
5:58 PM 20.5 °F 15.6 °F -2.2 °F 37% 30.48 in 10.0 mi South 3.5 mph - N/A   Overcast
6:58 PM 18.1 °F 11.3 °F -4.0 °F 38% 30.48 in 10.0 mi South 4.6 mph - N/A   Overcast
7:58 PM 16.0 °F 10.4 °F -2.2 °F 45% 30.47 in 10.0 mi SE 3.5 mph - N/A   Overcast
8:58 PM 15.6 °F - 2.5 °F 56% 30.46 in 10.0 mi WSW 2.3 mph - N/A   Mostly Cloudy
9:58 PM 13.6 °F - 3.6 °F 64% 30.46 in 10.0 mi SW 2.3 mph - N/A   Mostly Cloudy
10:58 PM 14.9 °F 9.2 °F 3.6 °F 61% 30.44 in 10.0 mi WSW 3.5 mph - N/A   Overcast
11:58 PM 11.7 °F - 2.7 °F 67% 30.44 in 10.0 mi WSW 2.3 mph - N/A   Overcast