Weather History for Portsmouth, NH

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Wednesday, August 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 68 °F -  
Max Temperature 81 °F 77 °F 93 °F (1976)
Min Temperature 56 °F 58 °F 36 °F (1982)
Cooling Degree Days 3    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 69    
Maximum Humidity 96    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 3 mph (South)    
Max Wind Speed 13 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

Aug. 22, 2012 Rise Set
Actual Time 5:57 AM EDT 7:34 PM EDT
Civil Twilight 5:27 AM EDT 8:04 PM EDT
Nautical Twilight 4:50 AM EDT 8:40 PM EDT
Astronomical Twilight 4:11 AM EDT 9:18 PM EDT
Moon 11:44 AM EDT (8/22) 10:01 PM EDT (8/22)
Length of Visible Light 14h 36m
Length of Day
13h 36m
Waxing Crescent, 29% of the Moon is Illuminated
Aug 22
Waxing Crescent
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 63.1 °F - 62.1 °F 96% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:55 AM 61.5 °F - 59.7 °F 94% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:55 AM 60.6 °F - 57.6 °F 90% 30.09 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:55 AM 59.2 °F - 55.9 °F 89% 30.10 in 10.0 mi West 3.5 mph - N/A   Clear
4:55 AM 57.9 °F - 55.6 °F 92% 30.11 in 10.0 mi NW 4.6 mph - N/A   Clear
5:55 AM 56.1 °F - 54.5 °F 94% 30.11 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
6:55 AM 59.4 °F - 56.5 °F 90% 30.13 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
7:55 AM 63.5 °F - 57.0 °F 79% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:55 AM 69.3 °F - 59.4 °F 71% 30.14 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
9:55 AM 73.8 °F - 59.9 °F 62% 30.14 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
10:55 AM 75.6 °F - 57.7 °F 54% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:55 AM 79.0 °F - 55.0 °F 44% 30.14 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
12:55 PM 80.8 °F 80.4 °F 53.6 °F 39% 30.13 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
1:55 PM 78.4 °F - 58.5 °F 50% 30.12 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
2:55 PM 78.3 °F - 59.2 °F 52% 30.11 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
3:55 PM 79.3 °F - 57.7 °F 47% 30.09 in 10.0 mi SSE 10.4 mph - N/A   Scattered Clouds
4:55 PM 78.3 °F - 56.5 °F 47% 30.09 in 10.0 mi SSE 12.7 mph - N/A   Scattered Clouds
5:55 PM 75.7 °F - 57.2 °F 52% 30.09 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
6:55 PM 72.9 °F - 58.6 °F 61% 30.09 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
7:55 PM 68.7 °F - 58.3 °F 69% 30.09 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
8:55 PM 66.9 °F - 57.0 °F 70% 30.10 in 10.0 mi SSE 5.8 mph - N/A   Clear
9:55 PM 65.5 °F - 57.2 °F 75% 30.11 in 10.0 mi SSE 4.6 mph - N/A   Clear
10:55 PM 65.7 °F - 56.3 °F 72% 30.11 in 10.0 mi SSW 3.5 mph - N/A   Clear
11:55 PM 64.4 °F - 55.4 °F 73% 30.10 in 10.0 mi Calm Calm - N/A   Clear