Weather History for Portsmouth, NH

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Friday, May 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 78 °F -  
Max Temperature 93 °F 66 °F 94 °F (1987)
Min Temperature 63 °F 48 °F 36 °F (1990)
Cooling Degree Days 13    
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 63    
Maximum Humidity 99    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 5 mph (WSW)    
Max Wind Speed 10 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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Astronomy

May. 31, 2013 Rise Set
Actual Time 5:07 AM EDT 8:15 PM EDT
Civil Twilight 4:32 AM EDT 8:49 PM EDT
Nautical Twilight 3:48 AM EDT 9:34 PM EDT
Astronomical Twilight 2:55 AM EDT 10:27 PM EDT
Moon 12:41 AM EDT (5/31) 12:26 PM EDT (5/31)
Length of Visible Light 16h 17m
Length of Day
15h 08m
Waning Gibbous, 51% of the Moon is Illuminated
May 31
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 66.2 °F - 65.8 °F 99% 30.04 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
1:58 AM 66.0 °F - 65.8 °F 99% 30.03 in 10.0 mi WSW 2.3 mph - N/A   Partly Cloudy
2:58 AM 63.5 °F - 63.1 °F 99% 30.03 in 10.0 mi WNW 4.6 mph - 0.00 in   Clear
3:58 AM 64.4 °F - 64.0 °F 99% 30.04 in 10.0 mi Calm Calm - N/A   Clear
4:58 AM 64.2 °F - 63.9 °F 99% 30.05 in 10.0 mi WNW 2.3 mph - N/A   Partly Cloudy
5:58 AM 64.2 °F - 64.0 °F 99% 30.05 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
6:58 AM 68.5 °F - 65.5 °F 90% 30.07 in 7.0 mi West 5.8 mph - N/A   Partly Cloudy
7:58 AM 74.3 °F - 66.0 °F 75% 30.07 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
8:58 AM 79.3 °F - 66.4 °F 64% 30.07 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
9:58 AM 84.0 °F 85.8 °F 65.3 °F 53% 30.05 in 10.0 mi WSW 10.4 mph - N/A   Partly Cloudy
10:58 AM 87.1 °F 89.2 °F 65.8 °F 49% 30.04 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
11:58 AM 89.2 °F 90.9 °F 64.8 °F 44% 30.02 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
12:58 PM 90.5 °F 92.2 °F 64.6 °F 42% 30.00 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
1:58 PM 91.8 °F 91.9 °F 61.3 °F 36% 29.98 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
2:58 PM 93.2 °F 93.3 °F 61.2 °F 34% 29.97 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
3:58 PM 93.2 °F 92.6 °F 59.4 °F 32% 29.95 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
4:58 PM 92.7 °F 92.5 °F 60.8 °F 34% 29.93 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
5:58 PM 91.6 °F 92.0 °F 62.2 °F 37% 29.91 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
6:58 PM 89.2 °F 89.9 °F 63.0 °F 41% 29.91 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
7:58 PM 85.3 °F 86.6 °F 63.9 °F 49% 29.91 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
8:58 PM 82.4 °F 83.9 °F 64.4 °F 54% 29.92 in 10.0 mi SSW 3.5 mph - N/A   Clear
9:58 PM 78.3 °F - 65.1 °F 64% 29.94 in 10.0 mi SSW 5.8 mph - N/A   Clear
10:58 PM 78.1 °F - 64.8 °F 63% 29.95 in 10.0 mi WSW 3.5 mph - N/A   Clear
11:58 PM 77.2 °F - 65.3 °F 67% 29.95 in 10.0 mi SW 4.6 mph - N/A   Clear