Weather History for Portsmouth, NH

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Sunday, October 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 51 °F -  
Max Temperature 58 °F 61 °F 85 °F (1990)
Min Temperature 44 °F 42 °F 20 °F (1984)
Degree Days  
Heating Degree Days 14    
Growing Degree Days 1 (Base 50)    
Moisture  
Dew Point 42 °F    
Average Humidity 72    
Maximum Humidity 93    
Minimum Humidity 52    
Precipitation  
Precipitation 0.21 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 4 mph (WSW)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Rain    
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

Oct. 07, 2012 Rise Set
Actual Time 6:48 AM EDT 6:13 PM EDT
Civil Twilight 6:19 AM EDT 6:41 PM EDT
Nautical Twilight 5:46 AM EDT 7:14 PM EDT
Astronomical Twilight 5:13 AM EDT 7:47 PM EDT
Moon 11:15 PM EDT (10/7) 1:29 PM EDT (10/7)
Length of Visible Light 12h 21m
Length of Day
11h 25m
Waning Gibbous, 56% of the Moon is Illuminated
Oct 7
Waning Gibbous
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

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 50.7 °F - 43.9 °F 77% 29.92 in 10.0 mi West 4.6 mph - N/A   Clear
1:55 AM 47.5 °F - 43.7 °F 87% 29.94 in 10.0 mi SW 4.6 mph - N/A   Clear
2:55 AM 47.7 °F - 42.6 °F 83% 29.95 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
3:55 AM 45.9 °F 43.6 °F 40.3 °F 81% 29.97 in 10.0 mi WSW 4.6 mph - N/A   Partly Cloudy
4:55 AM 46.2 °F - 39.2 °F 76% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:55 AM 44.2 °F 42.7 °F 39.6 °F 84% 30.00 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
6:55 AM 45.0 °F 42.6 °F 39.6 °F 81% 30.02 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
7:55 AM 48.2 °F - 43.0 °F 82% 30.04 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
8:55 AM 51.4 °F - 43.0 °F 73% 30.05 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
9:55 AM 54.9 °F - 41.9 °F 62% 30.05 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
10:55 AM 57.2 °F - 40.1 °F 53% 30.05 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
11:55 AM 58.5 °F - 40.8 °F 52% 30.04 in 10.0 mi WSW 5.8 mph - N/A   Overcast
12:55 PM 56.7 °F - 40.6 °F 55% 30.04 in 10.0 mi WSW 8.1 mph - N/A   Overcast
1:55 PM 56.1 °F - 39.7 °F 54% 30.04 in 10.0 mi WSW 5.8 mph - N/A   Overcast
2:55 PM 55.9 °F - 40.3 °F 56% 30.03 in 10.0 mi West 6.9 mph - N/A   Overcast
3:55 PM 55.4 °F - 39.0 °F 54% 30.03 in 10.0 mi WSW 5.8 mph - N/A   Overcast
4:55 PM 54.5 °F - 41.5 °F 62% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
5:55 PM 54.0 °F - 42.3 °F 65% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
6:55 PM 52.7 °F - 43.7 °F 71% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
7:55 PM 52.3 °F - 44.8 °F 75% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
8:55 PM 51.8 °F - 43.7 °F 74% 30.00 in 8.0 mi Calm Calm - N/A   Overcast
9:38 PM 51.8 °F - 44.6 °F 76% 30.03 in 8.0 mi SSW 8.1 mph - N/A Rain Light Rain
9:55 PM 51.3 °F - 45.5 °F 81% 30.04 in 8.0 mi SW 8.1 mph - 0.00 in Rain Light Rain
10:55 PM 50.0 °F - 46.9 °F 89% 30.05 in 7.0 mi WSW 5.8 mph - 0.04 in Rain Light Rain
11:55 PM 47.8 °F - 46.0 °F 93% 30.06 in 5.0 mi NW 5.8 mph - 0.17 in Rain Rain