Weather History for Portland, ME

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Tuesday, February 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 37 °F 25 °F  
Max Temperature 45 °F 34 °F 51 °F (1984)
Min Temperature 29 °F 16 °F -13 °F (1959)
Degree Days  
Heating Degree Days 28 40  
Month to date heating degree days 505 495  
Since 1 July heating degree days 4076 4431  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 28 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 49    
Precipitation  
Precipitation 0.00 in 0.12 in 2.09 in (1881)
Month to date precipitation 3.02 1.32  
Year to date precipitation 4.38 4.70  
Snow  
Snow 0.00 in 0.40 in 12.70 in (1988)
Month to date snowfall 33.9 5.4  
Since 1 July snowfall 68.9 39.7  
Snow Depth 13.00 in    
Sea Level Pressure  
Sea Level Pressure 29.61 in    
Wind  
Wind Speed 9 mph (WSW)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 7 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 12, 2013 Rise Set
Actual Time 6:43 AM EST 5:07 PM EST
Civil Twilight 6:14 AM EST 5:37 PM EST
Nautical Twilight 5:40 AM EST 6:11 PM EST
Astronomical Twilight 5:07 AM EST 6:44 PM EST
Moon 7:32 AM EST (2/12) 8:12 PM EST (2/12)
Length of Visible Light 11h 23m
Length of Day
10h 24m
Waxing Crescent, 7% of the Moon is Illuminated
Feb 12
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 30.0 °F 26.5 °F 28.9 °F 96% 29.57 in 1.5 mi NW 3.5 mph - N/A   Overcast
1:00 AM 30.0 °F - 28.9 °F 96% 29.57 in 1.0 mi Calm Calm - N/A   Overcast
1:38 AM 30.0 °F 26.5 °F 28.9 °F 96% 29.54 in 0.8 mi East 3.5 mph - N/A   Overcast
1:51 AM 30.0 °F - 28.9 °F 96% 29.55 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
2:18 AM 30.0 °F 23.2 °F 28.9 °F 96% 29.54 in 1.2 mi South 6.9 mph - N/A   Overcast
2:20 AM 30.0 °F 23.2 °F 28.9 °F 96% 29.54 in 2.0 mi SSW 6.9 mph - N/A   Overcast
2:29 AM 30.0 °F 26.5 °F 28.9 °F 96% 29.54 in 4.0 mi SSW 3.5 mph - N/A   Overcast
2:51 AM 30.9 °F - 30.0 °F 96% 29.55 in 5.0 mi Calm Calm - N/A   Overcast
3:51 AM 30.0 °F 23.2 °F 28.0 °F 92% 29.54 in 4.0 mi North 6.9 mph - N/A   Mostly Cloudy
4:37 AM 30.0 °F - 27.0 °F 88% 29.55 in 1.8 mi Calm Calm - N/A   Overcast
4:40 AM 30.0 °F - 28.0 °F 92% 29.55 in 0.8 mi Calm Calm - N/A   Overcast
4:48 AM 28.4 °F 24.6 °F 28.4 °F 100% 29.55 in 0.2 mi West 3.5 mph - N/A Fog Light Freezing Fog
4:51 AM 28.9 °F - 28.0 °F 96% 29.56 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
5:16 AM 28.9 °F 23.9 °F 28.0 °F 96% 29.55 in 0.8 mi West 4.6 mph - N/A   Overcast
5:20 AM 30.0 °F 24.1 °F 28.0 °F 92% 29.55 in 1.5 mi West 5.8 mph - N/A   Overcast
5:28 AM 30.0 °F 24.1 °F 28.0 °F 92% 29.56 in 9.0 mi West 5.8 mph - N/A Fog Patches of Fog
5:51 AM 28.9 °F 22.8 °F 28.0 °F 96% 29.56 in 7.0 mi SW 5.8 mph - N/A   Overcast
6:51 AM 32.0 °F - 28.4 °F 87% 29.57 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:51 AM 35.1 °F 27.9 °F 28.9 °F 78% 29.59 in 10.0 mi WNW 9.2 mph - N/A   Clear
8:51 AM 36.0 °F 29.6 °F 28.9 °F 76% 29.58 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
9:51 AM 39.0 °F 30.3 °F 28.9 °F 67% 29.59 in 10.0 mi West 16.1 mph - N/A   Partly Cloudy
10:51 AM 41.0 °F 33.9 °F 28.0 °F 60% 29.60 in 10.0 mi West 12.7 mph 19.6 mph N/A   Scattered Clouds
11:51 AM 42.1 °F 33.6 °F 27.0 °F 55% 29.60 in 10.0 mi West 18.4 mph 24.2 mph N/A   Mostly Cloudy
12:51 PM 45.0 °F 38.2 °F 27.0 °F 49% 29.60 in 10.0 mi West 15.0 mph 25.3 mph N/A   Mostly Cloudy
1:51 PM 43.0 °F 35.4 °F 26.1 °F 51% 29.60 in 10.0 mi West 16.1 mph 27.6 mph N/A   Mostly Cloudy
2:51 PM 43.0 °F 37.2 °F 26.1 °F 51% 29.62 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
3:51 PM 42.1 °F 35.2 °F 26.1 °F 53% 29.63 in 10.0 mi West 12.7 mph 25.3 mph N/A   Clear
4:51 PM 41.0 °F 33.9 °F 27.0 °F 57% 29.65 in 10.0 mi West 12.7 mph - N/A   Overcast
5:51 PM 39.9 °F 33.9 °F 27.0 °F 60% 29.68 in 10.0 mi SW 9.2 mph - N/A   Overcast
6:51 PM 39.0 °F 34.0 °F 27.0 °F 62% 29.70 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
7:51 PM 37.9 °F 32.1 °F 27.0 °F 65% 29.71 in 10.0 mi WSW 8.1 mph - N/A   Clear
8:51 PM 36.0 °F 30.3 °F 26.1 °F 67% 29.75 in 10.0 mi WSW 6.9 mph - N/A   Clear
9:51 PM 36.0 °F 28.5 °F 27.0 °F 70% 29.79 in 10.0 mi WSW 10.4 mph - N/A   Clear
10:51 PM 36.0 °F 29.0 °F 26.1 °F 67% 29.76 in 10.0 mi West 9.2 mph - N/A   Clear
11:51 PM 36.0 °F 28.5 °F 26.1 °F 67% 29.75 in 10.0 mi West 10.4 mph - N/A   Clear