Weather History for Portsmouth, NH

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Tuesday, December 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 41 °F -  
Max Temperature 49 °F 37 °F 54 °F (1984)
Min Temperature 33 °F 22 °F 3 °F (1988)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 43 °F    
Average Humidity 99    
Maximum Humidity 100    
Minimum Humidity 93    
Precipitation  
Precipitation 1.41 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 29.49 in    
Wind  
Wind Speed 11 mph (NNE)    
Max Wind Speed 17 mph    
Max Gust Speed 24 mph    
Visibility 2 miles    
Events Fog , 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. 18, 2012 Rise Set
Actual Time 7:10 AM EST 4:10 PM EST
Civil Twilight 6:37 AM EST 4:42 PM EST
Nautical Twilight 6:01 AM EST 5:18 PM EST
Astronomical Twilight 5:27 AM EST 5:53 PM EST
Moon 10:40 AM EST 10:42 PM EST
Length of Visible Light 10h 04m
Length of Day
9h 00m
Waxing Crescent, 34% of the Moon is Illuminated
Dec 18
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 33.8 °F 25.3 °F 33.6 °F 99% 29.83 in 3.0 mi North 11.5 mph - 0.01 in   Light Drizzle
1:55 AM 34.5 °F 26.7 °F 34.2 °F 99% 29.81 in 3.0 mi NNE 10.4 mph - 0.00 in Rain Light Rain
2:55 AM 35.4 °F 29.0 °F 35.2 °F 99% 29.75 in 3.0 mi NNE 8.1 mph - 0.05 in Rain Light Rain
3:55 AM 36.1 °F 28.7 °F 36.0 °F 99% 29.71 in 3.0 mi NNE 10.4 mph - 0.09 in Rain Rain
4:55 AM 36.7 °F 32.0 °F 36.3 °F 99% 29.68 in 2.0 mi North 5.8 mph - 0.27 in Rain Rain
5:55 AM 43.9 °F 38.8 °F 43.5 °F 99% 29.65 in 2.5 mi ENE 9.2 mph 21.9 mph 0.25 in Rain Light Rain
6:55 AM 45.0 °F 38.2 °F 44.6 °F 99% 29.62 in 2.5 mi ENE 15.0 mph 21.9 mph 0.18 in Rain Light Rain
7:55 AM 45.5 °F 38.3 °F 45.3 °F 99% 29.59 in 2.0 mi ENE 17.3 mph 24.2 mph 0.22 in Rain Rain
8:55 AM 46.2 °F 39.5 °F 46.0 °F 99% 29.55 in 3.0 mi East 16.1 mph - 0.20 in Rain Light Rain
9:29 AM 46.4 °F 40.4 °F 46.4 °F 100% 29.54 in 1.5 mi East 13.8 mph 20.7 mph N/A Rain Light Rain
9:55 AM 47.3 °F - 47.1 °F 99% 29.54 in 3.0 mi East 12.7 mph 19.6 mph 0.01 in Rain Light Rain
10:55 AM 48.6 °F - 48.2 °F 99% 29.49 in 3.0 mi East 12.7 mph 24.2 mph 0.01 in Rain Light Rain
11:55 AM 48.6 °F - 48.4 °F 99% 29.46 in 1.0 mi East 11.5 mph 19.6 mph 0.02 in Rain Light Rain
12:15 PM 48.2 °F - 48.2 °F 100% 29.45 in 0.6 mi East 11.5 mph - N/A Rain Light Rain
12:55 PM 48.9 °F - 48.7 °F 99% 29.42 in 0.8 mi East 10.4 mph 18.4 mph 0.07 in Rain Light Rain
1:55 PM 49.3 °F - 49.1 °F 99% 29.40 in 0.6 mi ENE 10.4 mph - 0.02 in   Light Drizzle
2:55 PM 48.9 °F - 48.7 °F 99% 29.40 in 0.5 mi NE 4.6 mph - 0.01 in Fog Light Drizzle
3:02 PM 48.2 °F - 48.2 °F 100% 29.40 in 0.2 mi NE 5.8 mph - N/A Fog Light Drizzle
3:55 PM 47.8 °F - 47.5 °F 99% 29.38 in 0.8 mi NW 9.2 mph - 0.00 in   Light Drizzle
4:31 PM 46.4 °F 41.5 °F 46.4 °F 100% 29.37 in 1.0 mi NW 10.4 mph - N/A   Light Drizzle
4:55 PM 44.8 °F 39.9 °F 44.6 °F 99% 29.37 in 1.0 mi NW 9.2 mph - 0.00 in   Overcast
5:44 PM 44.6 °F 41.4 °F 42.8 °F 93% 29.37 in 1.5 mi West 5.8 mph - N/A   Overcast
5:55 PM 43.5 °F 38.9 °F 43.2 °F 99% 29.38 in 1.5 mi WSW 8.1 mph - 0.00 in   Light Drizzle
6:55 PM 42.4 °F 37.0 °F 42.1 °F 99% 29.39 in 1.5 mi WSW 9.2 mph - 0.00 in   Light Drizzle
7:35 PM 42.8 °F 37.5 °F 42.8 °F 100% 29.39 in 2.0 mi West 9.2 mph - N/A   Light Drizzle
7:55 PM 42.1 °F 36.6 °F 41.7 °F 99% 29.38 in 2.0 mi WNW 9.2 mph - 0.00 in   Light Drizzle
8:55 PM 40.3 °F 34.4 °F 40.1 °F 99% 29.40 in 1.5 mi WNW 9.2 mph - 0.00 in   Light Drizzle
9:55 PM 39.4 °F 32.3 °F 39.2 °F 99% 29.40 in 5.0 mi WNW 11.5 mph - 0.00 in   Light Drizzle
10:44 PM 39.2 °F 32.5 °F 39.2 °F 100% 29.39 in 6.0 mi WNW 10.4 mph - N/A   Overcast
10:55 PM 39.2 °F 32.0 °F 39.0 °F 99% 29.40 in 6.0 mi NW 11.5 mph 18.4 mph 0.00 in   Overcast
11:55 PM 39.0 °F 32.8 °F 38.5 °F 98% 29.40 in 3.0 mi WNW 9.2 mph - 0.00 in   Light Drizzle