Weather History for Portland, ME

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Saturday, September 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F 58 °F  
Max Temperature 68 °F 68 °F 89 °F (1965)
Min Temperature 55 °F 48 °F 27 °F (1962)
Degree Days  
Heating Degree Days 3 8  
Month to date heating degree days 89 100  
Since 1 July heating degree days 89 145  
Cooling Degree Days 0 0  
Month to date cooling degree days 21 27  
Year to date cooling degree days 492 355  
Growing Degree Days 11 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 85    
Maximum Humidity 93    
Minimum Humidity 76    
Precipitation  
Precipitation 0.01 in 0.13 in 1.21 in (1983)
Month to date precipitation 2.12 2.56  
Year to date precipitation 39.83 32.30  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 4 mph (North)    
Max Wind Speed 10 mph    
Max Gust Speed 14 mph    
Visibility 6 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 22, 2012 Rise Set
Actual Time 6:28 AM EDT 6:37 PM EDT
Civil Twilight 6:00 AM EDT 7:06 PM EDT
Nautical Twilight 5:26 AM EDT 7:39 PM EDT
Astronomical Twilight 4:52 AM EDT 8:14 PM EDT
Moon 1:55 PM EDT (9/22) 11:28 PM EDT (9/22)
Length of Visible Light 13h 06m
Length of Day
12h 08m
Waxing Crescent, 48% of the Moon is Illuminated
Sep 22
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:03 AM 57.2 °F 53.6 °F 88% 30.07 in 10.0 mi North 4.6 mph - N/A   Overcast
12:40 AM 55.4 °F 53.6 °F 94% 30.06 in 6.0 mi North 5.8 mph - 0.01 in Rain Light Rain
12:51 AM 55.0 °F 53.1 °F 93% 30.06 in 5.0 mi North 4.6 mph - 0.01 in Rain Light Rain
1:03 AM 55.4 °F 53.6 °F 94% 30.07 in 8.0 mi NNW 5.8 mph - 0.00 in   Overcast
1:51 AM 55.0 °F 53.1 °F 93% 30.05 in 10.0 mi North 5.8 mph - 0.00 in   Overcast
2:51 AM 55.0 °F 53.1 °F 93% 30.02 in 10.0 mi North 4.6 mph - N/A   Overcast
2:58 AM 55.4 °F 53.6 °F 94% 30.02 in 10.0 mi North 4.6 mph - N/A   Overcast
3:51 AM 55.0 °F 53.1 °F 93% 30.02 in 10.0 mi NNW 8.1 mph - N/A   Overcast
4:51 AM 55.9 °F 53.1 °F 90% 30.00 in 10.0 mi North 5.8 mph - N/A   Overcast
5:51 AM 55.9 °F 53.1 °F 90% 29.99 in 10.0 mi North 4.6 mph - N/A   Overcast
6:51 AM 55.9 °F 53.1 °F 90% 29.99 in 5.0 mi North 4.6 mph - 0.00 in Rain Light Rain
6:56 AM 55.4 °F 53.6 °F 94% 29.99 in 2.5 mi North 5.8 mph - 0.00 in Rain Light Rain
7:06 AM 55.4 °F 53.6 °F 94% 29.99 in 1.5 mi North 4.6 mph - 0.01 in Rain Light Rain
7:31 AM 55.4 °F 53.6 °F 94% 29.98 in 1.5 mi North 4.6 mph - 0.01 in   Overcast
7:51 AM 55.9 °F 54.0 °F 93% 29.98 in 1.5 mi NNW 3.5 mph - 0.01 in   Overcast
8:51 AM 57.0 °F 55.0 °F 93% 29.97 in 1.5 mi NNW 4.6 mph - N/A   Overcast
9:51 AM 59.0 °F 57.2 °F 94% 29.95 in 3.0 mi NNW 3.5 mph - N/A   Overcast
10:20 AM 59.0 °F 57.2 °F 94% 29.96 in 1.5 mi NNW 5.8 mph - N/A   Overcast
10:51 AM 59.0 °F 57.9 °F 96% 29.95 in 0.8 mi WNW 5.8 mph - N/A   Overcast
11:47 AM 62.6 °F 59.0 °F 88% 29.93 in 8.0 mi Calm Calm - N/A   Overcast
11:51 AM 62.1 °F 59.0 °F 90% 29.93 in 9.0 mi Calm Calm - N/A   Overcast
12:51 PM 63.0 °F 59.0 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
1:51 PM 64.9 °F 59.0 °F 81% 29.89 in 10.0 mi Calm Calm - N/A   Overcast
2:51 PM 66.9 °F 60.1 °F 79% 29.88 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:36 PM 68.0 °F 60.8 °F 78% 29.86 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
3:51 PM 68.0 °F 61.0 °F 78% 29.86 in 10.0 mi SSE 5.8 mph - N/A   Clear
4:51 PM 64.9 °F 59.0 °F 81% 29.86 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
5:31 PM 60.8 °F 57.2 °F 88% 29.86 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
5:51 PM 61.0 °F 57.9 °F 90% 29.86 in 7.0 mi South 5.8 mph - N/A   Overcast
6:36 PM 59.0 °F 57.2 °F 94% 29.86 in 5.0 mi South 6.9 mph - N/A   Overcast
6:51 PM 59.0 °F 57.0 °F 93% 29.86 in 5.0 mi South 8.1 mph - N/A   Overcast
7:51 PM 59.0 °F 57.0 °F 93% 29.87 in 1.5 mi Variable 4.6 mph - N/A   Overcast
8:51 PM 60.1 °F 57.9 °F 93% 29.86 in 2.0 mi South 5.8 mph - N/A   Overcast
9:51 PM 60.1 °F 57.9 °F 93% 29.86 in 2.0 mi SSW 4.6 mph - N/A   Overcast
10:51 PM 59.0 °F 57.9 °F 96% 29.86 in 1.0 mi East 3.5 mph - N/A   Overcast
10:59 PM 59.0 °F 57.2 °F 94% 29.85 in 0.5 mi East 3.5 mph - N/A Fog Fog
11:17 PM 59.0 °F 57.2 °F 94% 29.85 in 0.2 mi Calm Calm - N/A Fog Fog
11:33 PM 59.0 °F 57.2 °F 94% 29.85 in 3.0 mi Calm Calm - N/A   Overcast
11:38 PM 59.0 °F 57.2 °F 94% 29.85 in 2.0 mi Calm Calm - N/A   Overcast
11:51 PM 59.0 °F 57.9 °F 96% 29.85 in 3.0 mi Calm Calm - N/A   Overcast