Weather History for Portland, ME

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Saturday, March 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 31 °F 33 °F  
Max Temperature 37 °F 42 °F 59 °F (1973)
Min Temperature 24 °F 25 °F 5 °F (1956)
Degree Days  
Heating Degree Days 34 32  
Month to date heating degree days 472 542  
Since 1 July heating degree days 5071 5584  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 12 °F    
Average Humidity 55    
Maximum Humidity 78    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.14 in 3.30 in (1937)
Month to date precipitation 0.88 2.07  
Year to date precipitation 8.31 8.70  
Snow  
Snow 0.00 in 0.50 in 7.00 in (1899)
Month to date snowfall 3.6 7.7  
Since 1 July snowfall 88.2 54.1  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 20 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Mar. 16, 2013 Rise Set
Actual Time 6:51 AM EDT 6:48 PM EDT
Civil Twilight 6:22 AM EDT 7:17 PM EDT
Nautical Twilight 5:49 AM EDT 7:51 PM EDT
Astronomical Twilight 5:15 AM EDT 8:25 PM EDT
Moon 9:09 AM EDT No Moon Set
Length of Visible Light 12h 54m
Length of Day
11h 57m
Waxing Crescent, 23% of the Moon is Illuminated
Mar 16
Waxing Crescent
Mar 19
First Quarter
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 28.9 °F 22.8 °F 23.0 °F 78% 29.64 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
1:51 AM 30.0 °F 20.0 °F 17.1 °F 59% 29.65 in 10.0 mi WNW 12.7 mph - N/A   Clear
2:51 AM 28.9 °F 20.4 °F 14.0 °F 54% 29.68 in 10.0 mi NW 9.2 mph - N/A   Clear
3:51 AM 28.4 °F 19.1 °F 12.2 °F 51% 29.70 in 10.0 mi NW 10.4 mph - N/A   Clear
4:51 AM 28.0 °F 18.6 °F 12.0 °F 51% 29.73 in 10.0 mi NNW 10.4 mph - N/A   Clear
5:51 AM 26.1 °F 16.8 °F 12.9 °F 58% 29.75 in 10.0 mi NNW 9.2 mph - N/A   Clear
6:51 AM 25.0 °F 16.3 °F 12.9 °F 60% 29.79 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
7:51 AM 27.0 °F 21.6 °F 12.9 °F 56% 29.81 in 10.0 mi North 4.6 mph - N/A   Partly Cloudy
8:51 AM 28.4 °F 17.5 °F 12.2 °F 51% 29.81 in 10.0 mi North 13.8 mph - N/A   Partly Cloudy
9:51 AM 30.0 °F 21.7 °F 12.9 °F 49% 29.82 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
10:51 AM 30.9 °F 24.3 °F 12.0 °F 46% 29.81 in 10.0 mi NNW 6.9 mph - N/A   Scattered Clouds
11:51 AM 34.0 °F 27.2 °F 12.9 °F 42% 29.81 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
12:51 PM 34.0 °F 26.0 °F 12.9 °F 42% 29.80 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
1:51 PM 35.1 °F 28.6 °F 10.0 °F 35% 29.78 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
2:51 PM 35.1 °F - 10.0 °F 35% 29.77 in 10.0 mi Calm Calm - N/A   Overcast
3:51 PM 35.1 °F 28.6 °F 9.0 °F 34% 29.78 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
4:51 PM 34.0 °F 26.0 °F 10.0 °F 37% 29.77 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
5:51 PM 33.8 °F 25.8 °F 8.6 °F 35% 29.76 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
6:51 PM 32.0 °F 23.6 °F 10.0 °F 40% 29.79 in 10.0 mi WSW 10.4 mph - N/A   Partly Cloudy
7:51 PM 30.9 °F 24.3 °F 10.0 °F 42% 29.82 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
8:51 PM 30.0 °F 24.1 °F 10.9 °F 45% 29.84 in 10.0 mi North 5.8 mph - N/A   Partly Cloudy
9:51 PM 30.0 °F 23.2 °F 8.1 °F 40% 29.86 in 10.0 mi North 6.9 mph - N/A   Overcast
10:51 PM 28.9 °F 21.1 °F 9.0 °F 43% 29.87 in 10.0 mi North 8.1 mph - N/A   Overcast
11:51 PM 27.0 °F 21.6 °F 9.0 °F 47% 29.90 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds