Weather History for Portsmouth, NH

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Tuesday, December 27, 2011

  Actual Average Record
Temperature  
Mean Temperature 36 °F -  
Max Temperature 50 °F 34 °F 50 °F (1973)
Min Temperature 23 °F 20 °F -1 °F (1993)
Degree Days  
Heating Degree Days 29    
Moisture  
Dew Point 32 °F    
Average Humidity 78    
Maximum Humidity 97    
Minimum Humidity 59    
Precipitation  
Precipitation 0.34 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 8 mph (SSE)    
Max Wind Speed 30 mph    
Max Gust Speed 43 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. 27, 2011 Rise Set
Actual Time 7:13 AM EST 4:14 PM EST
Civil Twilight 6:41 AM EST 4:47 PM EST
Nautical Twilight 6:05 AM EST 5:23 PM EST
Astronomical Twilight 5:30 AM EST 5:57 PM EST
Moon 9:03 AM EST (12/27) 7:50 PM EST (12/27)
Length of Visible Light 10h 05m
Length of Day
9h 00m
Waxing Crescent, 11% of the Moon is Illuminated
Dec 27
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
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 23.9 °F 18.0 °F 17.2 °F 76% 30.16 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
1:55 AM 24.1 °F 18.2 °F 17.2 °F 75% 30.14 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
2:55 AM 25.0 °F 20.7 °F 17.2 °F 72% 30.12 in 10.0 mi SW 3.5 mph - N/A   Clear
3:55 AM 25.3 °F 19.7 °F 18.3 °F 75% 30.12 in 10.0 mi SSW 4.6 mph - N/A   Clear
4:55 AM 25.3 °F 19.7 °F 18.9 °F 76% 30.09 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
5:55 AM 25.3 °F - 19.8 °F 79% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
6:55 AM 26.6 °F 18.2 °F 21.2 °F 80% 30.07 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
7:55 AM 28.2 °F 20.2 °F 22.3 °F 78% 30.06 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
8:55 AM 33.1 °F 25.5 °F 25.0 °F 72% 30.04 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
9:55 AM 37.6 °F 30.5 °F 27.3 °F 66% 30.04 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
10:55 AM 40.8 °F 34.5 °F 27.7 °F 60% 30.00 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
11:55 AM 41.4 °F 36.2 °F 28.0 °F 59% 29.95 in 10.0 mi South 8.1 mph - N/A   Overcast
12:55 PM 43.2 °F 37.9 °F 29.8 °F 59% 29.92 in 10.0 mi SSW 9.2 mph - N/A   Overcast
1:55 PM 43.2 °F 37.9 °F 30.4 °F 61% 29.89 in 10.0 mi South 9.2 mph - N/A   Overcast
2:55 PM 43.0 °F 39.5 °F 31.6 °F 64% 29.88 in 10.0 mi South 5.8 mph - N/A   Overcast
3:55 PM 40.8 °F 38.8 °F 32.0 °F 71% 29.86 in 10.0 mi SE 3.5 mph - N/A   Overcast
4:55 PM 40.8 °F - 32.5 °F 72% 29.83 in 10.0 mi Calm Calm - N/A   Overcast
5:07 PM 41.0 °F 39.0 °F 32.0 °F 70% 29.82 in 10.0 mi ESE 3.5 mph - N/A Rain Light Rain Showers
5:55 PM 41.0 °F 38.0 °F 37.2 °F 86% 29.78 in 8.0 mi ENE 4.6 mph - 0.00 in Rain Light Rain Showers
6:23 PM 42.8 °F 38.0 °F 39.2 °F 87% 29.77 in 5.0 mi ESE 8.1 mph - N/A Rain Light Rain
6:41 PM 44.6 °F 38.4 °F 42.8 °F 93% 29.75 in 6.0 mi ESE 12.7 mph - N/A Rain Light Rain
6:55 PM 45.0 °F 38.9 °F 43.3 °F 94% 29.74 in 5.0 mi ESE 12.7 mph - 0.01 in Rain Light Rain
7:55 PM 46.0 °F 39.6 °F 44.4 °F 94% 29.69 in 4.0 mi SE 15.0 mph - 0.07 in Rain Light Rain
8:28 PM 46.4 °F 40.4 °F 44.6 °F 93% 29.65 in 5.0 mi ESE 13.8 mph - N/A Rain Light Rain
8:55 PM 46.9 °F - 45.3 °F 94% 29.60 in 5.0 mi SE 20.7 mph 25.3 mph 0.08 in Rain Light Rain
9:55 PM 47.8 °F - 46.2 °F 94% 29.49 in 4.0 mi SE 23.0 mph 32.2 mph 0.05 in Rain Light Rain
10:55 PM 49.1 °F - 47.7 °F 95% 29.41 in 3.0 mi SE 29.9 mph 42.6 mph 0.06 in Rain Light Rain
11:55 PM 50.0 °F - 49.1 °F 97% 29.36 in 3.0 mi SSE 27.6 mph 38.0 mph 0.07 in Rain Light Rain