Weather History for Portland, ME

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Wednesday, August 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 72 °F 69 °F  
Max Temperature 85 °F 79 °F 95 °F (1949)
Min Temperature 58 °F 59 °F 42 °F (1950)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 116 123  
Since 1 July heating degree days 0 17  
Cooling Degree Days 7 5  
Month to date cooling degree days 65 40  
Year to date cooling degree days 348 248  
Since 1 June cooling degree days 337 241  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 49    
Precipitation  
Precipitation 0.00 in 0.10 in 1.74 in (1874)
Month to date precipitation 0.77 0.84  
Year to date precipitation 32.27 27.44  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 08, 2012 Rise Set
Actual Time 5:38 AM EDT 7:54 PM EDT
Civil Twilight 5:06 AM EDT 8:26 PM EDT
Nautical Twilight 4:27 AM EDT 9:05 PM EDT
Astronomical Twilight 3:43 AM EDT 9:48 PM EDT
Moon 10:50 PM EDT (8/8) 12:36 PM EDT (8/8)
Length of Visible Light 15h 19m
Length of Day
14h 15m
Waning Gibbous, 61% of the Moon is Illuminated
Aug 8
Waning Gibbous
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 64.9 °F - 63.0 °F 93% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:51 AM 64.0 °F - 62.1 °F 93% 29.96 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:51 AM 63.0 °F - 61.0 °F 93% 29.95 in 10.0 mi Calm Calm - N/A   Clear
3:51 AM 61.0 °F - 60.1 °F 97% 29.95 in 10.0 mi SW 3.5 mph - N/A   Clear
4:51 AM 61.0 °F - 59.0 °F 93% 29.95 in 10.0 mi Calm Calm - N/A   Clear
5:51 AM 61.0 °F - 59.0 °F 93% 29.96 in 10.0 mi Calm Calm - N/A   Clear
6:51 AM 64.0 °F - 61.0 °F 90% 29.96 in 10.0 mi Calm Calm - N/A   Clear
7:51 AM 68.0 °F - 62.1 °F 81% 29.98 in 10.0 mi Calm Calm - N/A   Clear
8:51 AM 73.0 °F - 63.0 °F 71% 29.98 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:51 AM 75.9 °F - 63.0 °F 64% 29.98 in 10.0 mi Calm Calm - N/A   Clear
10:51 AM 81.0 °F 81.9 °F 62.1 °F 52% 29.98 in 10.0 mi Calm Calm - N/A   Clear
11:51 AM 82.0 °F 83.8 °F 64.9 °F 56% 29.97 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:51 PM 81.0 °F 83.0 °F 66.0 °F 60% 29.96 in 10.0 mi SSE 9.2 mph - N/A   Partly Cloudy
1:51 PM 79.0 °F - 64.0 °F 60% 29.96 in 10.0 mi SSE 6.9 mph - N/A   Partly Cloudy
2:51 PM 77.0 °F - 61.0 °F 58% 29.96 in 10.0 mi South 8.1 mph - N/A   Clear
3:51 PM 80.1 °F 80.7 °F 59.0 °F 48% 29.95 in 8.0 mi SSE 10.4 mph - N/A   Clear
4:51 PM 79.0 °F - 61.0 °F 54% 29.95 in 10.0 mi South 9.2 mph - N/A   Clear
5:51 PM 77.0 °F - 64.0 °F 64% 29.95 in 10.0 mi South 9.2 mph - N/A   Clear
6:51 PM 75.0 °F - 66.9 °F 76% 29.96 in 10.0 mi South 9.2 mph - N/A   Clear
7:51 PM 73.0 °F - 66.9 °F 81% 29.95 in 10.0 mi South 11.5 mph - N/A   Clear
8:51 PM 72.0 °F - 68.0 °F 87% 29.96 in 10.0 mi SSW 6.9 mph - N/A   Clear
9:51 PM 71.1 °F - 68.0 °F 90% 29.96 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:51 PM 70.0 °F - 66.9 °F 90% 29.96 in 9.0 mi Calm Calm - N/A   Clear
11:51 PM 69.1 °F - 66.9 °F 93% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy