Weather History for Portsmouth, NH

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Thursday, April 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 44 °F -  
Max Temperature 53 °F 55 °F 92 °F (1976)
Min Temperature 36 °F 35 °F 24 °F (1979)
Degree Days  
Heating Degree Days 22    
Moisture  
Dew Point 32 °F    
Average Humidity 57    
Maximum Humidity 78    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.33 in    
Wind  
Wind Speed 7 mph (SE)    
Max Wind Speed 20 mph    
Max Gust Speed 23 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

Apr. 18, 2013 Rise Set
Actual Time 5:56 AM EDT 7:29 PM EDT
Civil Twilight 5:26 AM EDT 7:59 PM EDT
Nautical Twilight 4:50 AM EDT 8:35 PM EDT
Astronomical Twilight 4:11 AM EDT 9:14 PM EDT
Moon 12:03 PM EDT (4/18) 1:44 AM EDT (4/18)
Length of Visible Light 14h 33m
Length of Day
13h 33m
First Quarter, 51% of the Moon is Illuminated
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New
May 18
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 43.2 °F - 25.5 °F 50% 30.36 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 41.5 °F - 31.3 °F 67% 30.38 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 39.2 °F - 31.5 °F 74% 30.37 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 39.4 °F 37.2 °F 32.9 °F 78% 30.40 in 10.0 mi NNW 3.5 mph - N/A   Clear
4:55 AM 37.0 °F 34.5 °F 28.6 °F 71% 30.43 in 10.0 mi North 3.5 mph - N/A   Clear
5:55 AM 36.7 °F 34.1 °F 27.7 °F 70% 30.43 in 10.0 mi NE 3.5 mph - N/A   Clear
7:55 AM 46.6 °F - 30.9 °F 54% 30.45 in 10.0 mi East 10.4 mph - N/A   Partly Cloudy
8:55 AM 47.8 °F - 29.7 °F 49% 30.46 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
9:55 AM 49.5 °F - 31.5 °F 50% 30.45 in 10.0 mi ESE 12.7 mph - N/A   Mostly Cloudy
10:55 AM 51.1 °F - 27.0 °F 39% 30.44 in 10.0 mi SSE 17.3 mph 23.0 mph N/A   Scattered Clouds
11:55 AM 51.1 °F - 28.4 °F 42% 30.43 in 10.0 mi SE 16.1 mph - N/A   Mostly Cloudy
12:55 PM 51.8 °F - 28.6 °F 41% 30.39 in 10.0 mi SE 19.6 mph - N/A   Mostly Cloudy
1:55 PM 51.3 °F - 33.1 °F 50% 30.37 in 10.0 mi ESE 16.1 mph - N/A   Mostly Cloudy
2:55 PM 50.7 °F - 33.8 °F 52% 30.34 in 10.0 mi ESE 18.4 mph - N/A   Mostly Cloudy
3:55 PM 51.8 °F - 35.4 °F 54% 30.30 in 10.0 mi SE 18.4 mph - N/A   Mostly Cloudy
4:55 PM 48.9 °F - 36.3 °F 62% 30.28 in 10.0 mi SE 16.1 mph - N/A   Overcast
5:55 PM 49.6 °F - 37.8 °F 64% 30.26 in 10.0 mi SE 15.0 mph - N/A   Overcast
6:55 PM 50.2 °F - 36.9 °F 60% 30.22 in 10.0 mi SE 15.0 mph - N/A   Overcast
7:55 PM 51.4 °F - 33.3 °F 50% 30.21 in 10.0 mi SSE 13.8 mph - N/A   Mostly Cloudy
8:55 PM 51.6 °F - 33.1 °F 49% 30.21 in 10.0 mi SE 10.4 mph - N/A   Overcast
9:55 PM 51.3 °F - 31.8 °F 47% 30.19 in 10.0 mi SSE 11.5 mph - N/A   Overcast
10:55 PM 48.9 °F - 36.1 °F 61% 30.18 in 10.0 mi SE 8.1 mph - N/A   Scattered Clouds
11:22 PM 48.2 °F - 37.4 °F 66% 30.17 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
11:55 PM 49.1 °F - 39.0 °F 68% 30.17 in 10.0 mi SE 6.9 mph - N/A   Overcast