Portland, ME

8:09 PM EDT on August 31, 2016 (GMT -0400)
Portland International

Weather History for KPWM - September, 2013

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Sunday, September 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 57 °F 63 °F  
Max Temperature 69 °F 73 °F 93 °F (1960)
Min Temperature 45 °F 53 °F 34 °F (1955)
Degree Days  
Heating Degree Days 8 3  
Month to date heating degree days 25 22  
Since 1 July heating degree days 43 67  
Cooling Degree Days 0 1  
Month to date cooling degree days 18 15  
Year to date cooling degree days 435 343  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 64    
Maximum Humidity 86    
Minimum Humidity 42    
Precipitation  
Precipitation 0.01 in 0.11 in 1.69 in (1913)
Month to date precipitation 2.68 0.83  
Year to date precipitation 30.90 30.57  
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 29.83 in    
Wind  
Wind Speed 11 mph (NW)    
Max Wind Speed 25 mph    
Max Gust Speed 34 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 08, 2013 Rise Set
Actual Time 6:12 AM EDT 7:03 PM EDT
Civil Twilight 5:43 AM EDT 7:32 PM EDT
Nautical Twilight 5:09 AM EDT 8:07 PM EDT
Astronomical Twilight 4:32 AM EDT 8:43 PM EDT
Moon 9:34 AM EDT (9/8) 8:28 PM EDT (9/8)
Length of Visible Light 13h 49m
Length of Day
12h 50m
Waxing Crescent, 11% of the Moon is Illuminated
Sep 8
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 62.1 °F 52.0 °F 70% 29.80 in 10.0 mi WSW 6.9 mph - 0.00 in   Clear
1:51 AM 62.1 °F 51.1 °F 67% 29.78 in 10.0 mi WSW 6.9 mph - N/A   Clear
2:51 AM 62.1 °F 51.1 °F 67% 29.77 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
3:51 AM 62.1 °F 50.0 °F 65% 29.75 in 10.0 mi WSW 5.8 mph - N/A   Overcast
4:51 AM 62.1 °F 50.0 °F 65% 29.74 in 10.0 mi SW 3.5 mph - N/A   Overcast
5:51 AM 61.0 °F 51.1 °F 70% 29.74 in 10.0 mi NW 4.6 mph - N/A   Overcast
6:51 AM 57.9 °F 53.1 °F 84% 29.74 in 10.0 mi West 4.6 mph - 0.01 in   Scattered Clouds
7:51 AM 60.1 °F 53.1 °F 78% 29.73 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
8:51 AM 63.0 °F 55.0 °F 75% 29.72 in 10.0 mi NNW 8.1 mph - N/A   Overcast
9:51 AM 64.0 °F 55.9 °F 75% 29.73 in 10.0 mi NW 6.9 mph - N/A   Overcast
10:51 AM 64.9 °F 57.0 °F 75% 29.74 in 10.0 mi North 11.5 mph - 0.00 in   Overcast
11:00 AM 64.0 °F 55.0 °F 73% 29.75 in 10.0 mi NNW 19.6 mph 26.5 mph N/A   Overcast
11:28 AM 64.9 °F 52.0 °F 63% 29.75 in 10.0 mi NNW 20.7 mph 29.9 mph N/A   Mostly Cloudy
11:51 AM 66.0 °F 51.1 °F 59% 29.77 in 10.0 mi NNW 20.7 mph 29.9 mph N/A   Scattered Clouds
12:51 PM 68.0 °F 44.1 °F 42% 29.78 in 10.0 mi NW 24.2 mph 32.2 mph N/A   Partly Cloudy
1:51 PM 66.9 °F 45.0 °F 45% 29.81 in 10.0 mi NNW 21.9 mph 28.8 mph N/A   Scattered Clouds
2:51 PM 64.9 °F 42.1 °F 43% 29.83 in 10.0 mi NNW 20.7 mph 31.1 mph N/A   Scattered Clouds
3:51 PM 64.0 °F 41.0 °F 43% 29.85 in 10.0 mi WNW 15.0 mph 24.2 mph N/A   Scattered Clouds
4:51 PM 63.0 °F 39.9 °F 43% 29.88 in 10.0 mi NW 15.0 mph 24.2 mph N/A   Clear
5:51 PM 62.1 °F 39.0 °F 43% 29.91 in 10.0 mi NW 16.1 mph 24.2 mph N/A   Scattered Clouds
6:51 PM 59.0 °F 37.9 °F 46% 29.93 in 10.0 mi NW 21.9 mph 25.3 mph N/A   Clear
7:51 PM 55.9 °F 37.9 °F 51% 29.97 in 10.0 mi NW 9.2 mph - N/A   Clear
8:51 PM 55.0 °F 37.0 °F 51% 30.02 in 10.0 mi NNW 10.4 mph - N/A   Clear
9:51 PM 54.0 °F 37.9 °F 55% 30.04 in 10.0 mi NNW 4.6 mph - N/A   Clear
10:51 PM 48.9 °F 39.0 °F 69% 30.07 in 10.0 mi WNW 5.8 mph - N/A   Clear
11:51 PM 48.9 °F 39.0 °F 69% 30.07 in 10.0 mi Calm Calm - N/A   Clear