Weather History for Portland, ME

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Monday, May 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F 57 °F  
Max Temperature 68 °F 67 °F 85 °F (1944)
Min Temperature 40 °F 48 °F 32 °F (1969)
Degree Days  
Heating Degree Days 11 8  
Month to date heating degree days 326 323  
Since 1 July heating degree days 6471 6971  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 36 °F    
Average Humidity 56    
Maximum Humidity 85    
Minimum Humidity 26    
Precipitation  
Precipitation 0.00 in 0.13 in 1.93 in (1890)
Month to date precipitation 4.39 3.50  
Year to date precipitation 15.62 18.69  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 98.0 62.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 10 mph (WNW)    
Max Wind Speed 23 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 27, 2013 Rise Set
Actual Time 5:05 AM EDT 8:11 PM EDT
Civil Twilight 4:30 AM EDT 8:46 PM EDT
Nautical Twilight 3:46 AM EDT 9:30 PM EDT
Astronomical Twilight 2:53 AM EDT 10:24 PM EDT
Moon 10:46 PM EDT 7:40 AM EDT
Length of Visible Light 16h 15m
Length of Day
15h 06m
Waning Gibbous, 91% of the Moon is Illuminated
May 27
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

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 45.0 °F 41.2 °F 36.0 °F 71% 30.01 in 10.0 mi WSW 6.9 mph - N/A   Clear
1:51 AM 44.1 °F 38.6 °F 36.0 °F 73% 30.03 in 10.0 mi West 10.4 mph - N/A   Clear
2:51 AM 41.0 °F 34.3 °F 36.0 °F 82% 30.03 in 10.0 mi West 11.5 mph - N/A   Clear
3:51 AM 39.9 °F 35.8 °F 35.1 °F 83% 30.04 in 10.0 mi WSW 5.8 mph - N/A   Clear
4:51 AM 39.9 °F 36.7 °F 35.1 °F 83% 30.06 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
5:51 AM 41.0 °F 39.0 °F 36.0 °F 82% 30.07 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
6:51 AM 44.1 °F 40.8 °F 37.0 °F 76% 30.07 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
7:51 AM 51.1 °F - 39.0 °F 63% 30.07 in 10.0 mi West 16.1 mph - N/A   Partly Cloudy
8:51 AM 55.9 °F - 39.9 °F 55% 30.07 in 10.0 mi WNW 11.5 mph - N/A   Clear
9:51 AM 60.1 °F - 41.0 °F 49% 30.06 in 10.0 mi West 8.1 mph - N/A   Clear
10:51 AM 62.1 °F - 36.0 °F 38% 30.06 in 10.0 mi WNW 11.5 mph - N/A   Clear
11:51 AM 63.0 °F - 35.1 °F 35% 30.06 in 10.0 mi NNW 18.4 mph 24.2 mph N/A   Scattered Clouds
12:51 PM 64.9 °F - 34.0 °F 32% 30.05 in 10.0 mi NW 19.6 mph 25.3 mph N/A   Partly Cloudy
1:51 PM 64.9 °F - 35.1 °F 33% 30.04 in 10.0 mi NW 12.7 mph 24.2 mph N/A   Partly Cloudy
2:51 PM 66.9 °F - 36.0 °F 32% 30.04 in 10.0 mi WNW 15.0 mph 23.0 mph N/A   Partly Cloudy
3:51 PM 66.9 °F - 35.1 °F 31% 30.04 in 10.0 mi NNW 13.8 mph 20.7 mph N/A   Clear
4:51 PM 66.9 °F - 34.0 °F 30% 30.04 in 10.0 mi NW 16.1 mph - N/A   Partly Cloudy
5:51 PM 66.9 °F - 30.9 °F 26% 30.05 in 10.0 mi NNW 15.0 mph 20.7 mph N/A   Clear
6:51 PM - - 46.4 °F N/A% 30.08 in - North - - N/A   Unknown
7:51 PM 60.1 °F - 34.0 °F 38% 30.10 in 10.0 mi NW 9.2 mph - N/A   Clear
8:51 PM 60.1 °F - 32.0 °F 35% 30.12 in 10.0 mi WNW 5.8 mph - N/A   Clear
9:51 PM 52.0 °F - 37.9 °F 59% 30.15 in 10.0 mi NNW 3.5 mph - N/A   Clear
10:51 PM 50.0 °F - 39.0 °F 66% 30.15 in 10.0 mi Calm Calm - N/A   Clear
11:51 PM 48.0 °F - 39.0 °F 71% 30.17 in 10.0 mi WNW 3.5 mph - N/A   Clear