Weather History for Portsmouth, NH

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Thursday, August 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 72 °F -  
Max Temperature 84 °F 79 °F 94 °F (1983)
Min Temperature 62 °F 61 °F 47 °F (1995)
Cooling Degree Days 8    
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 76    
Maximum Humidity 92    
Minimum Humidity 61    
Precipitation  
Precipitation 0.05 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 6 mph (South)    
Max Wind Speed 12 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
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

Aug. 08, 2013 Rise Set
Actual Time 5:41 AM EDT 7:55 PM EDT
Civil Twilight 5:10 AM EDT 8:26 PM EDT
Nautical Twilight 4:31 AM EDT 9:05 PM EDT
Astronomical Twilight 3:48 AM EDT 9:48 PM EDT
Moon 7:29 AM EDT (8/8) 8:27 PM EDT (8/8)
Length of Visible Light 15h 16m
Length of Day
14h 13m
Waxing Crescent, 3% of the Moon is Illuminated
Aug 8
Waxing Crescent
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New

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 63.7 °F - 52.2 °F 66% 30.12 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
1:58 AM 64.4 °F - 53.4 °F 67% 30.11 in 10.0 mi South 5.8 mph - N/A   Overcast
2:58 AM 64.8 °F - 53.8 °F 68% 30.10 in 10.0 mi SSE 5.8 mph - N/A   Overcast
3:58 AM 64.9 °F - 54.7 °F 69% 30.09 in 10.0 mi SE 5.8 mph - N/A   Overcast
4:13 AM 64.4 °F - 55.4 °F 73% 30.08 in 10.0 mi SSE 4.6 mph - N/A   Overcast
4:24 AM 64.4 °F - 55.4 °F 73% 30.07 in 10.0 mi SSE 4.6 mph - N/A Rain Light Rain Showers
4:49 AM 62.6 °F - 57.2 °F 82% 30.06 in 5.0 mi SSE 4.6 mph - N/A Rain , Thunderstorm Rain Showers
4:58 AM 62.1 °F - 58.6 °F 89% 30.07 in 7.0 mi SSE 3.5 mph - 0.05 in Rain , Thunderstorm Light Rain Showers
5:07 AM 62.6 °F - 59.0 °F 88% 30.06 in 10.0 mi SE 5.8 mph - N/A   Overcast
5:58 AM 62.6 °F - 60.3 °F 92% 30.07 in 10.0 mi SSE 3.5 mph - 0.00 in   Overcast
6:58 AM 63.5 °F - 60.8 °F 91% 30.07 in 10.0 mi SE 2.3 mph - N/A   Overcast
7:58 AM 65.1 °F - 61.3 °F 88% 30.08 in 10.0 mi SSE 2.3 mph - N/A   Overcast
8:58 AM 68.9 °F - 63.9 °F 84% 30.07 in 10.0 mi South 6.9 mph - N/A   Overcast
9:13 AM 69.8 °F - 64.4 °F 83% 30.05 in 10.0 mi South 5.8 mph - N/A   Overcast
9:58 AM 70.3 °F - 65.3 °F 84% 30.07 in 10.0 mi SSW 5.8 mph - N/A   Overcast
10:58 AM 72.5 °F - 66.4 °F 81% 30.06 in 10.0 mi SW 8.1 mph - N/A   Overcast
11:58 AM 75.7 °F - 67.6 °F 76% 30.04 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
12:58 PM 79.2 °F - 68.0 °F 69% 30.04 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
1:13 PM 80.6 °F 83.2 °F 68.0 °F 65% 30.03 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
1:58 PM 82.0 °F 85.3 °F 68.7 °F 64% 30.02 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
2:58 PM 83.3 °F 86.6 °F 68.4 °F 61% 30.02 in 10.0 mi SW 10.4 mph 19.6 mph N/A   Mostly Cloudy
3:58 PM 82.9 °F 86.5 °F 69.1 °F 63% 30.01 in 10.0 mi SSW 11.5 mph 17.3 mph N/A   Mostly Cloudy
4:58 PM 81.9 °F 84.8 °F 68.0 °F 63% 30.01 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
5:58 PM 80.1 °F 82.6 °F 67.6 °F 66% 30.00 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
6:58 PM 78.6 °F - 68.5 °F 71% 29.99 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
8:58 PM 73.8 °F - 68.4 °F 83% 30.02 in 10.0 mi South 6.9 mph - N/A   Overcast
9:58 PM 73.4 °F - 68.4 °F 84% 30.03 in 10.0 mi South 6.9 mph - N/A   Overcast
10:58 PM 72.1 °F - 68.4 °F 88% 30.02 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy