Weather History for Portland, ME

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Sunday, January 6, 2013

  Actual Average Record
Temperature  
Mean Temperature 27 °F 23 °F  
Max Temperature 37 °F 32 °F 67 °F (2007)
Min Temperature 16 °F 14 °F -12 °F (1996)
Degree Days  
Heating Degree Days 38 42  
Month to date heating degree days 267 250  
Since 1 July heating degree days 2617 2862  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 19 °F    
Average Humidity 72    
Maximum Humidity 84    
Minimum Humidity 59    
Precipitation  
Precipitation T in 0.12 in 1.35 in (2014)
Month to date precipitation T 0.68  
Year to date precipitation T 0.68  
Snow  
Snow 0.10 in 0.60 in 9.10 in (1944)
Month to date snowfall 0.1 3.7  
Since 1 July snowfall 27.8 18.8  
Snow Depth 9.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 4 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 06, 2013 Rise Set
Actual Time 7:14 AM EST 4:20 PM EST
Civil Twilight 6:42 AM EST 4:52 PM EST
Nautical Twilight 6:06 AM EST 5:28 PM EST
Astronomical Twilight 5:31 AM EST 6:03 PM EST
Moon 1:20 AM EST (1/6) 11:48 AM EST (1/6)
Length of Visible Light 10h 10m
Length of Day
9h 05m
Waning Crescent, 33% of the Moon is Illuminated
Jan 6
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
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 19.0 °F - 10.9 °F 71% 30.21 in 10.0 mi Calm Calm - N/A   Clear
1:51 AM 19.0 °F 11.1 °F 10.9 °F 71% 30.20 in 10.0 mi North 5.8 mph - N/A   Clear
2:51 AM 19.0 °F 12.3 °F 10.9 °F 71% 30.21 in 10.0 mi WNW 4.6 mph - N/A   Clear
3:51 AM 19.9 °F 14.9 °F 10.9 °F 68% 30.16 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
4:51 AM 19.0 °F 11.1 °F 12.0 °F 74% 30.13 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
5:51 AM 19.9 °F 12.1 °F 10.9 °F 68% 30.10 in 10.0 mi WNW 5.8 mph - N/A   Overcast
6:49 AM 21.2 °F 14.9 °F 12.2 °F 68% 30.08 in 5.0 mi West 4.6 mph - 0.00 in Snow Light Snow
6:51 AM 21.0 °F 14.6 °F 12.9 °F 71% 30.09 in 5.0 mi West 4.6 mph - 0.00 in Snow Light Snow
7:10 AM 21.0 °F 14.6 °F 14.0 °F 74% 30.08 in 4.0 mi NW 4.6 mph - 0.00 in Snow Light Snow
7:51 AM 21.0 °F - 15.1 °F 78% 30.06 in 5.0 mi Calm Calm - 0.00 in Snow Light Snow
8:51 AM 21.9 °F - 18.0 °F 85% 30.05 in 7.0 mi Calm Calm - 0.00 in Snow Light Snow
9:37 AM 24.1 °F - 18.0 °F 77% 30.04 in 10.0 mi Calm Calm - 0.00 in   Overcast
9:51 AM 24.1 °F - 18.0 °F 77% 30.04 in 10.0 mi Calm Calm - 0.00 in   Overcast
10:25 AM 26.1 °F - 19.0 °F 75% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
10:51 AM 28.0 °F - 19.9 °F 72% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:51 AM 32.0 °F 25.6 °F 23.0 °F 69% 29.94 in 10.0 mi SW 6.9 mph - N/A   Clear
12:51 PM 36.0 °F 29.6 °F 23.0 °F 59% 29.93 in 10.0 mi West 8.1 mph - N/A   Clear
1:51 PM 36.0 °F 27.1 °F 24.1 °F 62% 29.92 in 10.0 mi West 13.8 mph - N/A   Clear
2:51 PM 36.0 °F 27.5 °F 24.1 °F 62% 29.93 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
3:51 PM 36.0 °F 31.1 °F 24.1 °F 62% 29.92 in 10.0 mi West 5.8 mph - N/A   Clear
4:51 PM 34.0 °F 28.0 °F 23.0 °F 64% 29.92 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
5:51 PM 33.1 °F 30.0 °F 23.0 °F 66% 29.93 in 10.0 mi SW 3.5 mph - N/A   Scattered Clouds
6:51 PM 30.0 °F - 23.0 °F 75% 29.94 in 10.0 mi Calm Calm - N/A   Overcast
7:51 PM 30.9 °F - 23.0 °F 72% 29.94 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 PM 30.9 °F - 24.1 °F 76% 29.94 in 10.0 mi Calm Calm - N/A   Overcast
9:51 PM 30.9 °F 27.5 °F 24.1 °F 76% 29.93 in 10.0 mi WSW 3.5 mph - N/A   Overcast
10:51 PM 32.0 °F 28.7 °F 24.1 °F 73% 29.93 in 10.0 mi WSW 3.5 mph - N/A   Overcast
11:51 PM 30.0 °F 25.2 °F 24.1 °F 79% 29.94 in 10.0 mi NW 4.6 mph - N/A   Overcast