Weather History for Portsmouth, NH

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Friday, December 23, 2011

  Actual Average Record
Temperature  
Mean Temperature 34 °F -  
Max Temperature 41 °F 35 °F 67 °F (1990)
Min Temperature 27 °F 20 °F -15 °F (1989)
Degree Days  
Heating Degree Days 30    
Moisture  
Dew Point 32 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 58    
Precipitation  
Precipitation 0.71 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 16 mph    
Max Gust Speed 28 mph    
Visibility 7 miles    
Events Rain , Snow    
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

Dec. 23, 2011 Rise Set
Actual Time 7:12 AM EST 4:12 PM EST
Civil Twilight 6:39 AM EST 4:44 PM EST
Nautical Twilight 6:04 AM EST 5:20 PM EST
Astronomical Twilight 5:29 AM EST 5:55 PM EST
Moon 5:58 AM EST (12/23) 3:17 PM EST (12/23)
Length of Visible Light 10h 04m
Length of Day
8h 59m
Waning Crescent, 1% of the Moon is Illuminated
Dec 23
Waning Crescent
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:22 AM 41.0 °F 38.0 °F 35.6 °F 81% 30.04 in 10.0 mi NNW 4.6 mph - N/A Rain Light Rain
12:55 AM 39.9 °F - 36.0 °F 86% 30.04 in 5.0 mi Calm Calm - 0.00 in Rain Light Rain
1:55 AM 39.6 °F - 38.3 °F 95% 30.00 in 4.0 mi Calm Calm - 0.06 in Rain Light Rain
2:39 AM 39.2 °F 35.9 °F 39.2 °F 100% 29.98 in 4.0 mi NE 4.6 mph - N/A Rain Rain
2:55 AM 39.7 °F 37.6 °F 39.0 °F 97% 29.98 in 4.0 mi ENE 3.5 mph - 0.13 in Rain Rain
3:55 AM 39.2 °F 37.0 °F 38.5 °F 97% 29.96 in 3.0 mi North 3.5 mph - 0.14 in Rain Rain
4:14 AM 39.2 °F 35.9 °F 37.4 °F 93% 29.95 in 4.0 mi North 4.6 mph - N/A Rain Rain
4:55 AM 37.4 °F 31.4 °F 36.3 °F 96% 29.93 in 3.0 mi NNW 8.1 mph - 0.14 in Rain Rain
5:11 AM 37.4 °F 30.8 °F 35.6 °F 93% 29.94 in 2.0 mi NNW 9.2 mph - N/A Rain Rain
5:55 AM 36.0 °F 33.3 °F 35.2 °F 97% 29.94 in 2.0 mi North 3.5 mph - 0.17 in Rain Rain
6:09 AM 35.6 °F 32.8 °F 35.6 °F 100% 29.94 in 3.0 mi North 3.5 mph - N/A Rain , Snow Light Rain
6:45 AM 35.6 °F 29.9 °F 35.6 °F 100% 29.94 in 2.0 mi NNW 6.9 mph - N/A Rain , Snow Light Rain
6:55 AM 34.9 °F 27.7 °F 34.0 °F 97% 29.92 in 2.0 mi North 9.2 mph - 0.05 in Rain , Snow Light Rain
7:19 AM 33.8 °F 27.0 °F 33.8 °F 100% 29.91 in 3.0 mi North 8.1 mph - N/A Rain Light Rain
7:55 AM 34.2 °F 26.8 °F 33.4 °F 97% 29.91 in 4.0 mi North 9.2 mph - 0.00 in Rain Light Rain
8:55 AM 34.5 °F 26.7 °F 33.8 °F 97% 29.91 in 3.0 mi NNW 10.4 mph - 0.02 in Rain Light Rain
9:55 AM 35.2 °F 28.1 °F 34.3 °F 97% 29.92 in 10.0 mi North 9.2 mph - 0.00 in   Overcast
10:55 AM 36.7 °F 29.9 °F 35.8 °F 97% 29.91 in 10.0 mi NNW 9.2 mph - N/A   Overcast
11:55 AM 36.7 °F 29.4 °F 35.8 °F 97% 29.89 in 10.0 mi NNW 10.4 mph - N/A   Overcast
12:55 PM 37.2 °F 31.2 °F 35.6 °F 94% 29.91 in 10.0 mi NW 8.1 mph - N/A   Overcast
1:55 PM 37.6 °F 34.0 °F 35.1 °F 91% 29.93 in 10.0 mi WNW 4.6 mph - N/A   Overcast
2:55 PM 38.3 °F 33.2 °F 35.2 °F 89% 29.94 in 10.0 mi West 6.9 mph - N/A   Overcast
3:15 PM 39.2 °F 34.2 °F 35.6 °F 87% 29.95 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
3:55 PM 37.8 °F 32.5 °F 34.3 °F 87% 29.96 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
4:55 PM 36.1 °F 29.3 °F 33.8 °F 91% 29.99 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
5:55 PM 37.0 °F 29.3 °F 29.1 °F 73% 30.01 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
6:55 PM 35.4 °F 27.3 °F 28.2 °F 75% 30.06 in 10.0 mi NW 11.5 mph 23.0 mph N/A   Partly Cloudy
7:55 PM 33.3 °F 23.2 °F 20.5 °F 59% 30.10 in 10.0 mi WNW 15.0 mph 27.6 mph N/A   Partly Cloudy
8:55 PM 31.3 °F 23.3 °F 19.0 °F 61% 30.13 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
9:55 PM 30.0 °F 18.7 °F 17.8 °F 60% 30.15 in 10.0 mi WNW 16.1 mph 21.9 mph N/A   Partly Cloudy
10:55 PM 28.4 °F 19.1 °F 15.3 °F 58% 30.17 in 10.0 mi NW 10.4 mph - N/A   Partly Cloudy
11:55 PM 27.0 °F 15.6 °F 14.2 °F 59% 30.17 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy