Weather History for Portland, ME

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Friday, February 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 33 °F 26 °F  
Max Temperature 44 °F 35 °F 51 °F (1967)
Min Temperature 21 °F 16 °F -31 °F (1943)
Degree Days  
Heating Degree Days 32 40  
Month to date heating degree days 597 615  
Since 1 July heating degree days 4168 4551  
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 79    
Maximum Humidity 92    
Minimum Humidity 65    
Precipitation  
Precipitation T in 0.12 in 1.80 in (1953)
Month to date precipitation 3.02 1.67  
Year to date precipitation 4.38 5.05  
Snow  
Snow 0.00 in 0.40 in 12.20 in (1950)
Month to date snowfall 33.9 6.7  
Since 1 July snowfall 68.9 41.0  
Snow Depth 9.00 in    
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 5 mph (SSW)    
Max Wind Speed 16 mph    
Max Gust Speed 22 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 15, 2013 Rise Set
Actual Time 6:39 AM EST 5:11 PM EST
Civil Twilight 6:10 AM EST 5:41 PM EST
Nautical Twilight 5:36 AM EST 6:14 PM EST
Astronomical Twilight 5:03 AM EST 6:48 PM EST
Moon 9:01 AM EST (2/15) 11:23 PM EST (2/15)
Length of Visible Light 11h 31m
Length of Day
10h 32m
Waxing Crescent, 30% of the Moon is Illuminated
Feb 15
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 21.9 °F 72% 29.98 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
1:51 AM 28.9 °F - 21.9 °F 75% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:51 AM 25.0 °F - 19.0 °F 78% 29.97 in 10.0 mi Calm Calm - N/A   Clear
3:51 AM 24.1 °F - 19.9 °F 84% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:51 AM 21.9 °F - 19.0 °F 89% 29.98 in 10.0 mi Calm Calm - N/A   Clear
5:51 AM 24.1 °F 18.2 °F 19.9 °F 84% 29.98 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
6:51 AM 24.1 °F 19.7 °F 19.9 °F 84% 29.97 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
7:51 AM 30.0 °F 24.1 °F 24.1 °F 79% 29.97 in 10.0 mi SW 5.8 mph - N/A   Overcast
8:51 AM 33.1 °F 27.7 °F 26.1 °F 75% 29.98 in 9.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
9:51 AM 35.1 °F 28.6 °F 27.0 °F 72% 29.97 in 9.0 mi SSW 8.1 mph - 0.00 in   Overcast
10:51 AM 37.9 °F 32.1 °F 28.0 °F 68% 29.97 in 9.0 mi SW 8.1 mph - 0.00 in   Mostly Cloudy
11:51 AM 39.9 °F 33.9 °F 30.9 °F 70% 29.94 in 9.0 mi South 9.2 mph - N/A   Partly Cloudy
12:51 PM 42.1 °F 36.1 °F 32.0 °F 67% 29.91 in 9.0 mi South 10.4 mph - N/A   Clear
1:51 PM 44.1 °F 39.5 °F 33.1 °F 65% 29.91 in 9.0 mi South 8.1 mph - N/A   Partly Cloudy
2:51 PM 44.1 °F 39.5 °F 33.1 °F 65% 29.91 in 9.0 mi South 8.1 mph 18.4 mph N/A   Clear
3:51 PM 43.0 °F 36.4 °F 34.0 °F 71% 29.89 in 9.0 mi South 12.7 mph - N/A   Clear
4:51 PM 42.1 °F 35.2 °F 34.0 °F 73% 29.90 in 10.0 mi South 12.7 mph - N/A   Clear
5:51 PM 42.1 °F 36.6 °F 34.0 °F 73% 29.90 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
6:51 PM 41.0 °F 37.1 °F 35.1 °F 79% 29.91 in 10.0 mi SSW 5.8 mph - N/A   Overcast
7:51 PM 39.9 °F 35.8 °F 34.0 °F 79% 29.92 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
8:51 PM 36.0 °F - 32.0 °F 86% 29.93 in 8.0 mi Calm Calm - N/A   Clear
9:51 PM 32.0 °F 27.5 °F 30.0 °F 92% 29.93 in 6.0 mi WNW 4.6 mph - N/A   Clear
10:51 PM 30.0 °F - 28.9 °F 96% 29.94 in 6.0 mi Calm Calm - N/A   Partly Cloudy
11:51 PM 28.9 °F 23.9 °F 27.0 °F 92% 29.94 in 5.0 mi WNW 4.6 mph - N/A   Scattered Clouds