Weather History for Portland, ME

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Friday, November 23, 2012

  Actual Average Record
Temperature  
Mean Temperature 42 °F 37 °F  
Max Temperature 52 °F 45 °F 70 °F (1999)
Min Temperature 31 °F 29 °F 7 °F (1978)
Degree Days  
Heating Degree Days 23 28  
Month to date heating degree days 568 562  
Since 1 July heating degree days 1103 1286  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 492 359  
Moisture  
Dew Point 39 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 71    
Precipitation  
Precipitation 0.00 in 0.16 in 2.08 in (1874)
Month to date precipitation 1.02 3.85  
Year to date precipitation 46.17 42.15  
Snow  
Snow 0.00 in 0.10 in 8.20 in (1943)
Month to date snowfall 2.8 1.0  
Since 1 July snowfall 2.8 1.0  
Since 1 September snowfall 2.8 1.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 24 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 23, 2012 Rise Set
Actual Time 6:45 AM EST 4:09 PM EST
Civil Twilight 6:14 AM EST 4:40 PM EST
Nautical Twilight 5:39 AM EST 5:16 PM EST
Astronomical Twilight 5:04 AM EST 5:50 PM EST
Moon 1:29 PM EST (11/23) 1:54 AM EST (11/23)
Length of Visible Light 10h 26m
Length of Day
9h 23m
Waxing Gibbous, 79% of the Moon is Illuminated
Nov 23
Waxing Gibbous
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New
Dec 20
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:03 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.12 in 2.0 mi SW 3.5 mph - N/A   Clear
12:11 AM 35.6 °F - 35.6 °F 100% 30.12 in 1.2 mi Calm Calm - N/A   Clear
12:26 AM 33.8 °F - 32.0 °F 93% 30.11 in 0.5 mi Calm Calm - N/A Fog Fog
12:30 AM 32.0 °F - 30.2 °F 93% 30.11 in 0.2 mi Calm Calm - N/A Fog Fog
12:45 AM 33.8 °F - 32.0 °F 93% 30.10 in 0.5 mi Calm Calm - N/A Fog Fog
12:51 AM 34.0 °F - 32.0 °F 92% 30.11 in 1.0 mi Calm Calm - N/A   Mist
1:00 AM 33.8 °F - 33.8 °F 100% 30.10 in 0.8 mi Calm Calm - N/A   Mist
1:32 AM 32.0 °F - 30.2 °F 93% 30.10 in 1.2 mi Calm Calm - N/A   Scattered Clouds
1:34 AM 32.0 °F - 30.2 °F 93% 30.10 in 2.5 mi Calm Calm - N/A   Scattered Clouds
1:41 AM 33.8 °F - 32.0 °F 93% 30.09 in 3.0 mi Calm Calm - N/A   Partly Cloudy
1:51 AM 33.1 °F - 32.0 °F 96% 30.09 in 3.0 mi Calm Calm - N/A   Partly Cloudy
2:51 AM 37.9 °F 33.5 °F 37.0 °F 97% 30.08 in 7.0 mi SW 5.8 mph - N/A   Clear
3:51 AM 37.9 °F 33.5 °F 37.0 °F 97% 30.06 in 8.0 mi SSW 5.8 mph - N/A   Clear
4:51 AM 37.9 °F 35.5 °F 36.0 °F 93% 30.05 in 5.0 mi SSW 3.5 mph - N/A   Clear
5:51 AM 37.9 °F 33.5 °F 37.0 °F 97% 30.04 in 5.0 mi SW 5.8 mph - N/A   Scattered Clouds
5:56 AM 37.4 °F 33.8 °F 37.4 °F 100% 30.03 in 2.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
5:58 AM 37.4 °F 33.8 °F 37.4 °F 100% 30.03 in 0.8 mi SSW 4.6 mph - N/A   Mist
6:18 AM 35.6 °F 32.8 °F 35.6 °F 100% 30.03 in 0.5 mi SSW 3.5 mph - N/A Fog Fog
6:32 AM 35.6 °F - 35.6 °F 100% 30.03 in 0.2 mi Calm Calm - N/A Fog Fog
6:51 AM 35.1 °F 31.0 °F 35.1 °F 100% 30.03 in 0.2 mi WSW 4.6 mph - N/A Fog Fog
7:51 AM 35.1 °F - 35.1 °F 100% 30.02 in 0.2 mi Calm Calm - N/A Fog Fog
8:28 AM 37.4 °F - 37.4 °F 100% 30.00 in 1.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 AM 39.9 °F - 39.0 °F 97% 30.00 in 4.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 39.2 °F - 39.2 °F 100% 29.99 in 5.0 mi Calm Calm - N/A   Scattered Clouds
9:51 AM 44.6 °F - 39.2 °F 81% 29.97 in 10.0 mi Calm Calm - N/A   Clear
10:51 AM 48.9 °F - 41.0 °F 74% 29.93 in 10.0 mi South 8.1 mph - N/A   Clear
11:51 AM 50.0 °F - 43.0 °F 77% 29.90 in 10.0 mi South 9.2 mph 18.4 mph N/A   Partly Cloudy
12:51 PM 52.0 °F - 43.0 °F 71% 29.87 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
1:51 PM 50.0 °F - 44.1 °F 80% 29.83 in 10.0 mi South 12.7 mph 19.6 mph N/A   Partly Cloudy
2:41 PM 48.2 °F - 42.8 °F 82% 29.81 in 10.0 mi South 13.8 mph 20.7 mph N/A   Mostly Cloudy
2:51 PM 48.0 °F - 44.1 °F 86% 29.82 in 8.0 mi South 10.4 mph 20.7 mph N/A   Mostly Cloudy
3:51 PM 48.0 °F - 44.1 °F 86% 29.80 in 8.0 mi South 10.4 mph - N/A   Overcast
4:51 PM 46.4 °F 41.5 °F 42.8 °F 87% 29.77 in 7.0 mi South 10.4 mph 16.1 mph N/A   Mostly Cloudy
5:51 PM 46.9 °F - 44.1 °F 90% 29.77 in 8.0 mi SSW 8.1 mph - N/A   Overcast
6:19 PM 48.2 °F - 44.6 °F 87% 29.75 in 10.0 mi South 6.9 mph - N/A   Overcast
6:51 PM 48.0 °F - 45.0 °F 89% 29.75 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
7:51 PM 48.0 °F - 45.0 °F 89% 29.73 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
8:51 PM 48.0 °F - 45.0 °F 89% 29.71 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
9:51 PM 46.9 °F - 43.0 °F 86% 29.68 in 10.0 mi SSW 6.9 mph - N/A   Clear
10:51 PM 46.9 °F - 43.0 °F 86% 29.65 in 10.0 mi South 6.9 mph - N/A   Overcast
11:51 PM 44.1 °F 42.5 °F 42.1 °F 93% 29.63 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy