Weather History for Portland, ME

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Tuesday, April 23, 2013

  Actual Average Record
Temperature  
Mean Temperature 37 °F 47 °F  
Max Temperature 42 °F 56 °F 81 °F (2007)
Min Temperature 32 °F 37 °F 22 °F (1947)
Degree Days  
Heating Degree Days 28 18  
Month to date heating degree days 506 510  
Since 1 July heating degree days 6033 6528  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 34 °F    
Average Humidity 82    
Maximum Humidity 93    
Minimum Humidity 70    
Precipitation  
Precipitation 0.01 in 0.14 in 3.13 in (2012)
Month to date precipitation 2.04 3.31  
Year to date precipitation 11.16 14.18  
Snow  
Snow 0.00 in 0.00 in 6.10 in (1956)
Month to date snowfall 0.2 2.6  
Since 1 July snowfall 98.0 61.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.46 in    
Wind  
Wind Speed 10 mph (NE)    
Max Wind Speed 22 mph    
Max Gust Speed 24 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 23, 2013 Rise Set
Actual Time 5:45 AM EDT 7:34 PM EDT
Civil Twilight 5:14 AM EDT 8:05 PM EDT
Nautical Twilight 4:37 AM EDT 8:42 PM EDT
Astronomical Twilight 3:57 AM EDT 9:23 PM EDT
Moon 5:22 PM EDT (4/23) 4:15 AM EDT (4/23)
Length of Visible Light 14h 50m
Length of Day
13h 49m
Waxing Gibbous, 94% of the Moon is Illuminated
Apr 23
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 18
First Quarter

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 37.9 °F 31.5 °F 28.0 °F 68% 30.64 in 10.0 mi East 9.2 mph - N/A   Clear
1:51 AM 32.0 °F 24.2 °F 28.0 °F 85% 30.63 in 10.0 mi North 9.2 mph - N/A   Clear
2:51 AM 33.1 °F 28.7 °F 28.0 °F 82% 30.61 in 10.0 mi NNE 4.6 mph - N/A   Scattered Clouds
3:03 AM 33.1 °F 27.7 °F 28.0 °F 82% 30.60 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
3:51 AM 34.0 °F 28.8 °F 28.9 °F 82% 30.59 in 10.0 mi NNE 5.8 mph - N/A   Overcast
4:51 AM 34.0 °F 28.0 °F 28.0 °F 79% 30.57 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
5:51 AM 34.0 °F 29.8 °F 28.0 °F 79% 30.57 in 10.0 mi North 4.6 mph - N/A   Overcast
6:51 AM 34.0 °F 28.0 °F 28.0 °F 79% 30.57 in 10.0 mi North 6.9 mph - N/A   Overcast
7:51 AM 36.0 °F 31.1 °F 28.9 °F 76% 30.57 in 10.0 mi North 5.8 mph - N/A   Overcast
8:51 AM 37.0 °F 31.6 °F 30.9 °F 79% 30.56 in 10.0 mi NNE 6.9 mph - N/A   Overcast
9:51 AM 39.0 °F 32.3 °F 32.0 °F 76% 30.53 in 10.0 mi NNE 10.4 mph - N/A   Overcast
10:16 AM 39.0 °F 34.0 °F 32.0 °F 76% 30.52 in 10.0 mi NE 6.9 mph - N/A   Overcast
10:51 AM 39.9 °F 33.9 °F 33.1 °F 77% 30.52 in 10.0 mi NE 9.2 mph - N/A   Overcast
11:51 AM 41.0 °F 33.5 °F 35.1 °F 79% 30.51 in 7.0 mi East 13.8 mph - N/A   Overcast
12:51 PM 42.1 °F 32.8 °F 36.0 °F 79% 30.48 in 6.0 mi East 21.9 mph - 0.00 in   Haze
1:51 PM 41.0 °F 33.1 °F 36.0 °F 82% 30.46 in 6.0 mi ENE 15.0 mph 24.2 mph 0.00 in   Light Drizzle
2:51 PM 41.0 °F 33.5 °F 36.0 °F 82% 30.43 in 10.0 mi ENE 13.8 mph - 0.00 in   Light Drizzle
3:51 PM 41.0 °F 34.3 °F 37.0 °F 86% 30.40 in 9.0 mi ENE 11.5 mph - 0.00 in   Overcast
4:51 PM 41.0 °F 34.7 °F 37.9 °F 89% 30.39 in 4.0 mi ENE 10.4 mph - 0.00 in Rain Light Rain
5:29 PM 41.0 °F 33.5 °F 37.9 °F 89% 30.38 in 5.0 mi NE 13.8 mph - 0.00 in Rain Light Rain
5:51 PM 41.0 °F 33.5 °F 37.9 °F 89% 30.37 in 10.0 mi NE 13.8 mph - 0.00 in   Overcast
6:51 PM 41.0 °F 35.2 °F 37.9 °F 89% 30.34 in 9.0 mi NE 9.2 mph - N/A   Overcast
7:51 PM 39.9 °F 33.4 °F 37.9 °F 93% 30.32 in 4.0 mi NNE 10.4 mph - 0.00 in Rain Light Rain
8:51 PM 41.0 °F 35.2 °F 37.9 °F 89% 30.30 in 5.0 mi NNE 9.2 mph - 0.00 in   Overcast
9:51 PM 41.0 °F 34.3 °F 39.0 °F 93% 30.26 in 9.0 mi NNE 11.5 mph - N/A   Overcast
10:51 PM 42.1 °F 35.7 °F 39.0 °F 89% 30.23 in 10.0 mi NNE 11.5 mph - N/A   Overcast
11:51 PM 42.1 °F 37.1 °F 39.9 °F 92% 30.20 in 5.0 mi North 8.1 mph - N/A   Overcast