Weather History for Portland, ME

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Wednesday, December 25, 2013

  Actual Average Record
Temperature  
Mean Temperature 13 °F 26 °F  
Max Temperature 20 °F 34 °F 53 °F (1994)
Min Temperature 5 °F 17 °F -16 °F (1980)
Degree Days  
Heating Degree Days 52 39  
Month to date heating degree days 985 878  
Since 1 July heating degree days 2436 2369  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 454 359  
Moisture  
Dew Point 6 °F    
Average Humidity 75    
Maximum Humidity 88    
Minimum Humidity 61    
Precipitation  
Precipitation T in 0.13 in 1.87 in (1986)
Month to date precipitation 3.17 3.32  
Year to date precipitation 42.60 46.55  
Snow  
Snow T in 0.50 in 12.50 in (2002)
Month to date snowfall 22.9 9.9  
Since 1 July snowfall 23.4 11.8  
Snow Depth 7.00 in    
Sea Level Pressure  
Sea Level Pressure 30.44 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 25, 2013 Rise Set
Actual Time 7:13 AM EST 4:09 PM EST
Civil Twilight 6:40 AM EST 4:42 PM EST
Nautical Twilight 6:04 AM EST 5:18 PM EST
Astronomical Twilight 5:29 AM EST 5:53 PM EST
Moon No Moon Rise 11:21 AM EST (12/25)
Length of Visible Light 10h 02m
Length of Day
8h 56m
Waning Gibbous, 49% of the Moon is Illuminated
Dec 25
Waning Gibbous
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 24
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 14.0 °F 2.0 °F 7.0 °F 74% 30.21 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
1:51 AM 10.9 °F 0.2 °F 3.0 °F 70% 30.24 in 10.0 mi NNW 6.9 mph - N/A   Clear
2:51 AM 10.0 °F -2.9 °F 3.0 °F 73% 30.27 in 10.0 mi NW 9.2 mph - N/A   Clear
3:51 AM 10.0 °F -1.9 °F 1.9 °F 70% 30.29 in 10.0 mi NW 8.1 mph - N/A   Clear
4:51 AM 9.0 °F -2.2 °F 1.0 °F 70% 30.32 in 10.0 mi NW 6.9 mph - N/A   Clear
5:51 AM 8.1 °F -0.5 °F 1.0 °F 73% 30.35 in 10.0 mi West 4.6 mph - N/A   Clear
6:51 AM 6.1 °F -5.6 °F -0.9 °F 73% 30.39 in 10.0 mi West 6.9 mph - N/A   Clear
7:51 AM 6.1 °F -6.8 °F -0.9 °F 73% 30.42 in 10.0 mi WNW 8.1 mph - N/A   Clear
8:51 AM 9.0 °F -5.1 °F 1.0 °F 70% 30.45 in 10.0 mi NW 10.4 mph - N/A   Clear
9:51 AM 12.0 °F -2.7 °F 1.0 °F 61% 30.48 in 10.0 mi NW 12.7 mph 21.9 mph N/A   Clear
10:51 AM 14.0 °F -0.8 °F 3.9 °F 64% 30.47 in 10.0 mi NNW 13.8 mph - N/A   Clear
11:51 AM 16.0 °F 5.3 °F 6.1 °F 65% 30.47 in 10.0 mi NW 8.1 mph - N/A   Clear
12:51 PM 18.0 °F 7.7 °F 6.1 °F 60% 30.46 in 10.0 mi NW 8.1 mph - N/A   Clear
1:51 PM 19.0 °F 6.1 °F 9.0 °F 65% 30.47 in 10.0 mi North 12.7 mph - N/A   Clear
2:51 PM 19.0 °F 11.1 °F 9.0 °F 65% 30.49 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
3:51 PM 18.0 °F 9.8 °F 8.1 °F 65% 30.50 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
4:51 PM 16.0 °F 8.8 °F 8.1 °F 71% 30.53 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
5:51 PM 15.1 °F 9.4 °F 9.0 °F 77% 30.56 in 9.0 mi SW 3.5 mph - N/A   Partly Cloudy
6:51 PM 15.1 °F - 9.0 °F 77% 30.55 in 10.0 mi Calm Calm - N/A   Clear
7:51 PM 14.0 °F - 10.0 °F 84% 30.55 in 9.0 mi Calm Calm - N/A   Clear
8:51 PM 12.9 °F 6.9 °F 9.0 °F 84% 30.54 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
9:51 PM 14.0 °F - 10.0 °F 84% 30.55 in 8.0 mi Calm Calm - 0.00 in Snow Light Snow
10:51 PM 15.1 °F 7.7 °F 10.0 °F 80% 30.53 in 7.0 mi NW 4.6 mph - 0.00 in Snow Light Snow
11:51 PM 15.1 °F 9.4 °F 10.9 °F 84% 30.52 in 8.0 mi WNW 3.5 mph - 0.00 in Snow Light Snow