Weather History for Portsmouth, NH

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Friday, September 6, 2013

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 69 °F 74 °F 91 °F (1983)
Min Temperature 45 °F 54 °F 35 °F (1989)
Degree Days  
Heating Degree Days 8    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 41 °F    
Average Humidity 57    
Maximum Humidity 85    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.16 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

Sep. 06, 2013 Rise Set
Actual Time 6:13 AM EDT 7:08 PM EDT
Civil Twilight 5:44 AM EDT 7:37 PM EDT
Nautical Twilight 5:09 AM EDT 8:12 PM EDT
Astronomical Twilight 4:33 AM EDT 8:48 PM EDT
Moon 7:25 AM EDT (9/6) 7:27 PM EDT (9/6)
Length of Visible Light 13h 53m
Length of Day
12h 55m
New Moon, 1% of the Moon is Illuminated
Sep 6
New Moon
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 52.2 °F - 39.2 °F 61% 30.16 in 10.0 mi North 6.9 mph - N/A   Clear
1:58 AM 49.1 °F - 40.8 °F 73% 30.17 in 10.0 mi NW 4.6 mph - N/A   Clear
2:58 AM 47.7 °F - 41.5 °F 79% 30.17 in 10.0 mi WSW 2.3 mph - N/A   Clear
3:58 AM 46.6 °F - 41.7 °F 83% 30.18 in 10.0 mi West 4.6 mph - N/A   Clear
4:58 AM 45.3 °F 44.0 °F 40.5 °F 83% 30.20 in 10.0 mi WNW 3.5 mph - N/A   Clear
5:58 AM 45.1 °F 42.8 °F 40.6 °F 84% 30.21 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:58 AM 45.7 °F 44.4 °F 41.4 °F 85% 30.22 in 10.0 mi WNW 3.5 mph - N/A   Clear
7:58 AM 51.3 °F - 42.6 °F 72% 30.23 in 10.0 mi WNW 3.5 mph - N/A   Clear
8:58 AM 56.3 °F - 42.6 °F 60% 30.23 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
9:58 AM 61.2 °F - 42.4 °F 50% 30.24 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
10:58 AM 63.5 °F - 38.1 °F 39% 30.23 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
11:58 AM 64.6 °F - 37.6 °F 37% 30.22 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
12:58 PM 66.7 °F - 35.6 °F 32% 30.20 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
1:58 PM 66.6 °F - 37.9 °F 35% 30.18 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
2:58 PM 68.5 °F - 39.4 °F 34% 30.16 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
3:58 PM 68.7 °F - 39.7 °F 35% 30.13 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
4:58 PM 68.9 °F - 38.3 °F 33% 30.12 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
5:58 PM 67.5 °F - 41.0 °F 38% 30.11 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
6:58 PM 64.2 °F - 43.0 °F 46% 30.10 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
7:58 PM 59.7 °F - 45.0 °F 58% 30.10 in 10.0 mi SW 2.3 mph - N/A   Partly Cloudy
8:58 PM 58.8 °F - 42.6 °F 55% 30.10 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy
9:58 PM 56.3 °F - 43.9 °F 63% 30.09 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
10:58 PM 54.9 °F - 44.4 °F 68% 30.08 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
11:58 PM 54.3 °F - 45.1 °F 71% 30.07 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy