Weather History for Portsmouth, NH

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Wednesday, December 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 38 °F -  
Max Temperature 41 °F 37 °F 51 °F (1990)
Min Temperature 35 °F 22 °F -2 °F (1979)
Degree Days  
Heating Degree Days 27    
Moisture  
Dew Point 36 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 71    
Precipitation  
Precipitation 0.09 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.66 in    
Wind  
Wind Speed 11 mph (NW)    
Max Wind Speed 18 mph    
Max Gust Speed 28 mph    
Visibility 8 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

Dec. 19, 2012 Rise Set
Actual Time 7:10 AM EST 4:10 PM EST
Civil Twilight 6:38 AM EST 4:43 PM EST
Nautical Twilight 6:02 AM EST 5:19 PM EST
Astronomical Twilight 5:27 AM EST 5:53 PM EST
Moon 11:08 AM EST (12/19) 11:46 PM EST (12/19)
Length of Visible Light 10h 04m
Length of Day
8h 59m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 38.7 °F 32.4 °F 38.5 °F 99% 29.41 in 4.0 mi WNW 9.2 mph - 0.00 in   Overcast
1:30 AM 39.2 °F 33.6 °F 39.2 °F 100% 29.42 in 8.0 mi WNW 8.1 mph - N/A   Overcast
1:55 AM 38.7 °F 30.9 °F 37.9 °F 97% 29.42 in 10.0 mi NW 12.7 mph - N/A   Overcast
2:11 AM 39.2 °F 32.0 °F 37.4 °F 93% 29.43 in 10.0 mi NW 11.5 mph - N/A   Overcast
2:55 AM 38.8 °F 30.4 °F 37.0 °F 93% 29.43 in 10.0 mi NW 15.0 mph - N/A   Overcast
3:55 AM 38.3 °F 30.5 °F 36.1 °F 92% 29.44 in 10.0 mi NW 12.7 mph - N/A   Overcast
4:55 AM 38.7 °F 32.4 °F 36.0 °F 90% 29.45 in 10.0 mi WNW 9.2 mph - N/A   Overcast
5:05 AM 39.2 °F 33.6 °F 35.6 °F 87% 29.45 in 6.0 mi WNW 8.1 mph - N/A Rain Light Rain
5:55 AM 38.7 °F 31.8 °F 37.0 °F 94% 29.47 in 6.0 mi WNW 10.4 mph - 0.00 in Rain Light Rain
6:31 AM 39.2 °F 33.0 °F 37.4 °F 93% 29.48 in 5.0 mi WNW 9.2 mph - N/A Rain Light Rain
6:55 AM 38.7 °F 32.9 °F 37.9 °F 97% 29.49 in 4.0 mi WNW 8.1 mph - 0.01 in Rain Light Rain
7:55 AM 37.8 °F 28.6 °F 35.8 °F 93% 29.52 in 4.0 mi NW 16.1 mph - 0.02 in Rain Light Rain
8:25 AM 37.4 °F 27.8 °F 35.6 °F 93% 29.53 in 5.0 mi NW 17.3 mph - N/A Rain Light Rain
8:55 AM 37.6 °F 28.4 °F 35.8 °F 93% 29.54 in 6.0 mi NW 16.1 mph 21.9 mph 0.01 in Rain Light Rain
9:55 AM 38.1 °F 29.1 °F 35.2 °F 89% 29.57 in 10.0 mi NW 16.1 mph - 0.01 in Rain Light Rain
10:55 AM 39.9 °F 31.4 °F 37.2 °F 90% 29.58 in 10.0 mi NNW 16.1 mph - 0.00 in Rain Light Rain
11:15 AM 39.2 °F 29.8 °F 35.6 °F 87% 29.59 in 10.0 mi NNW 18.4 mph 26.5 mph N/A   Overcast
11:55 AM 39.7 °F 31.2 °F 34.7 °F 82% 29.61 in 10.0 mi North 16.1 mph 27.6 mph 0.00 in   Overcast
12:55 PM 41.0 °F 33.5 °F 34.3 °F 77% 29.64 in 10.0 mi NNW 13.8 mph - N/A   Overcast
1:55 PM 41.5 °F 33.2 °F 32.9 °F 71% 29.68 in 10.0 mi North 17.3 mph - N/A   Overcast
2:45 PM 41.0 °F 33.1 °F 35.6 °F 81% 29.71 in 10.0 mi NW 15.0 mph - N/A Rain Light Rain
2:55 PM 40.3 °F 33.0 °F 34.9 °F 81% 29.72 in 10.0 mi NW 12.7 mph - 0.00 in Rain Light Rain
3:19 PM 39.2 °F 31.2 °F 35.6 °F 87% 29.74 in 10.0 mi NW 13.8 mph - N/A   Overcast
3:55 PM 39.4 °F 32.3 °F 34.5 °F 83% 29.77 in 10.0 mi NW 11.5 mph - 0.00 in   Mostly Cloudy
4:55 PM 38.8 °F 31.6 °F 33.4 °F 81% 29.81 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
5:55 PM 39.2 °F 30.2 °F 33.1 °F 79% 29.84 in 10.0 mi NNW 17.3 mph - 0.00 in Rain Light Rain
6:55 PM 38.5 °F 31.1 °F 33.6 °F 83% 29.88 in 10.0 mi NNW 11.5 mph - 0.00 in Rain Light Rain
7:55 PM 37.6 °F 31.0 °F 33.8 °F 86% 29.93 in 7.0 mi NNW 9.2 mph - 0.00 in Rain Light Rain
8:55 PM 36.7 °F 29.4 °F 33.8 °F 89% 29.96 in 5.0 mi NNW 10.4 mph - 0.01 in Rain Light Rain
9:55 PM 36.5 °F - 35.2 °F 95% 29.98 in 7.0 mi North 2.3 mph - 0.02 in Rain Light Rain
10:55 PM 36.1 °F 33.5 °F 35.4 °F 97% 30.00 in 10.0 mi NE 3.5 mph - 0.00 in   Overcast
11:18 PM 35.6 °F 29.2 °F 33.8 °F 93% 30.01 in 5.0 mi NNE 8.1 mph - N/A Rain Light Rain
11:46 PM 35.6 °F 29.9 °F 33.8 °F 93% 30.02 in 10.0 mi North 6.9 mph - N/A   Overcast
11:55 PM 35.8 °F 30.1 °F 33.4 °F 91% 30.03 in 10.0 mi NNW 6.9 mph - 0.01 in   Overcast