Weather History for Portland, ME

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Tuesday, February 14, 2012

  Actual Average Record
Temperature  
Mean Temperature 30 °F 25 °F  
Max Temperature 42 °F 34 °F 52 °F (1948)
Min Temperature 18 °F 16 °F -17 °F (2003)
Degree Days  
Heating Degree Days 35 40  
Month to date heating degree days 524 575  
Since 1 July heating degree days 3793 4511  
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 61    
Maximum Humidity 84    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in 0.12 in 2.27 in (1914)
Month to date precipitation 0.12 1.55  
Year to date precipitation 4.41 4.93  
Snow  
Snow 0.00 in 0.40 in 13.40 in (1914)
Month to date snowfall 1.2 6.3  
Since 1 July snowfall 28.6 40.6  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 5 mph (NNE)    
Max Wind Speed 12 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 14, 2012 Rise Set
Actual Time 6:41 AM EST 5:09 PM EST
Civil Twilight 6:12 AM EST 5:39 PM EST
Nautical Twilight 5:38 AM EST 6:12 PM EST
Astronomical Twilight 5:05 AM EST 6:45 PM EST
Moon 12:27 AM EST (2/14) 10:07 AM EST (2/14)
Length of Visible Light 11h 26m
Length of Day
10h 27m
Waning Gibbous, 50% of the Moon is Illuminated
Feb 14
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full

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 21.9 °F 17.2 °F 12.9 °F 68% 29.96 in 10.0 mi NNE 3.5 mph - N/A   Clear
1:51 AM 25.0 °F - 15.1 °F 66% 29.97 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 26.1 °F 20.5 °F 16.0 °F 66% 29.98 in 10.0 mi NNW 4.6 mph - N/A   Clear
3:51 AM 24.1 °F 16.0 °F 15.1 °F 69% 30.00 in 10.0 mi North 6.9 mph - N/A   Clear
4:51 AM 23.0 °F 13.1 °F 15.1 °F 72% 30.01 in 10.0 mi NNW 9.2 mph - N/A   Clear
5:51 AM 19.0 °F 9.0 °F 14.0 °F 81% 30.03 in 10.0 mi NNE 8.1 mph - N/A   Clear
6:51 AM 18.0 °F 9.8 °F 14.0 °F 84% 30.05 in 10.0 mi NE 5.8 mph - N/A   Clear
7:51 AM 21.9 °F 13.4 °F 17.1 °F 82% 30.07 in 10.0 mi NNE 6.9 mph - N/A   Clear
8:51 AM 27.0 °F 18.7 °F 19.0 °F 72% 30.09 in 10.0 mi NNE 8.1 mph - N/A   Scattered Clouds
9:51 AM 30.9 °F 22.8 °F 19.9 °F 64% 30.09 in 10.0 mi NNE 9.2 mph - N/A   Partly Cloudy
10:51 AM 36.0 °F 31.1 °F 19.0 °F 50% 30.08 in 10.0 mi Variable 5.8 mph - N/A   Overcast
11:51 AM 37.0 °F 32.4 °F 18.0 °F 46% 30.06 in 10.0 mi Variable 5.8 mph - N/A   Overcast
12:51 PM 37.9 °F 35.5 °F 18.0 °F 45% 30.05 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
1:51 PM 39.9 °F 37.8 °F 17.1 °F 40% 30.04 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
2:51 PM 39.9 °F 35.8 °F 15.1 °F 36% 30.03 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
3:51 PM 39.9 °F - 21.0 °F 47% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
4:51 PM 37.0 °F 34.5 °F 21.9 °F 54% 30.06 in 10.0 mi NE 3.5 mph - N/A   Clear
5:51 PM 36.0 °F 31.1 °F 23.0 °F 59% 30.07 in 10.0 mi NE 5.8 mph - N/A   Clear
6:51 PM 35.1 °F 29.3 °F 23.0 °F 61% 30.09 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
7:51 PM 34.0 °F 28.8 °F 23.0 °F 64% 30.09 in 10.0 mi NNE 5.8 mph - N/A   Clear
8:51 PM 30.9 °F 23.5 °F 23.0 °F 72% 30.09 in 10.0 mi NNE 8.1 mph - N/A   Scattered Clouds
9:51 PM 30.9 °F 23.5 °F 23.0 °F 72% 30.10 in 10.0 mi NNE 8.1 mph - N/A   Overcast
10:51 PM 32.0 °F 26.4 °F 24.1 °F 73% 30.10 in 10.0 mi NNE 5.8 mph - N/A   Overcast
11:51 PM 35.1 °F 30.1 °F 19.0 °F 52% 30.11 in 10.0 mi North 5.8 mph - N/A   Overcast