Weather History for Portland, ME

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Sunday, February 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 24 °F 26 °F  
Max Temperature 29 °F 35 °F 58 °F (1981)
Min Temperature 19 °F 17 °F -19 °F (1943)
Degree Days  
Heating Degree Days 41 39  
Month to date heating degree days 669 693  
Since 1 July heating degree days 4240 4629  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 63    
Maximum Humidity 84    
Minimum Humidity 41    
Precipitation  
Precipitation 0.14 in 0.12 in 1.25 in (1954)
Month to date precipitation 3.17 1.91  
Year to date precipitation 4.53 5.29  
Snow  
Snow 2.00 in 0.40 in 10.60 in (1952)
Month to date snowfall 35.9 7.5  
Since 1 July snowfall 70.9 41.8  
Snow Depth 7.00 in    
Sea Level Pressure  
Sea Level Pressure 29.39 in    
Wind  
Wind Speed 21 mph (NW)    
Max Wind Speed 37 mph    
Max Gust Speed 50 mph    
Visibility 5 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 17, 2013 Rise Set
Actual Time 6:36 AM EST 5:14 PM EST
Civil Twilight 6:07 AM EST 5:43 PM EST
Nautical Twilight 5:33 AM EST 6:17 PM EST
Astronomical Twilight 5:00 AM EST 6:50 PM EST
Moon 10:12 AM EST (2/17) 12:21 AM EST (2/17)
Length of Visible Light 11h 36m
Length of Day
10h 38m
Waxing Crescent, 49% of the Moon is Illuminated
Feb 17
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 28.0 °F 16.5 °F 10.9 °F 49% 29.71 in 10.0 mi North 15.0 mph - N/A   Overcast
1:51 AM 28.0 °F 15.7 °F 8.1 °F 43% 29.71 in 10.0 mi North 17.3 mph - N/A   Overcast
2:51 AM 27.0 °F 14.7 °F 8.1 °F 45% 29.65 in 10.0 mi North 16.1 mph 23.0 mph N/A   Overcast
3:51 AM 26.1 °F 14.5 °F 8.1 °F 47% 29.62 in 10.0 mi NNW 13.8 mph - N/A   Overcast
4:51 AM 24.1 °F 9.0 °F 9.0 °F 53% 29.57 in 10.0 mi NNW 21.9 mph 31.1 mph N/A   Overcast
5:51 AM 21.9 °F 7.8 °F 14.0 °F 72% 29.54 in 2.5 mi NNW 17.3 mph 29.9 mph 0.00 in Snow Light Snow
6:28 AM 21.2 °F 5.6 °F 15.8 °F 80% 29.50 in 2.5 mi NNW 20.7 mph 26.5 mph N/A Snow Light Snow
6:51 AM 21.0 °F 6.2 °F 16.0 °F 81% 29.48 in 1.2 mi NNW 18.4 mph 26.5 mph 0.00 in Snow Light Snow
7:18 AM 21.0 °F 6.6 °F 16.0 °F 81% 29.45 in 1.2 mi NNW 17.3 mph 27.6 mph 0.00 in Snow Light Snow
7:51 AM 21.0 °F 5.4 °F 16.0 °F 81% 29.42 in 1.2 mi NNW 20.7 mph 29.9 mph 0.00 in Snow Light Snow
8:32 AM 21.0 °F 5.7 °F 17.1 °F 85% 29.39 in 1.0 mi NW 19.6 mph 26.5 mph 0.00 in Snow Light Snow
8:51 AM 21.0 °F 5.7 °F 17.1 °F 85% 29.38 in 0.8 mi NNW 19.6 mph 26.5 mph 0.01 in Snow Light Snow
9:51 AM 21.0 °F 5.7 °F 16.0 °F 81% 29.34 in 1.0 mi NNW 19.6 mph 27.6 mph 0.00 in Snow Light Snow
10:20 AM 21.0 °F 3.9 °F 16.0 °F 81% 29.32 in 0.8 mi NNW 25.3 mph 34.5 mph 0.00 in Snow Light Snow
10:51 AM 21.0 °F 3.9 °F 16.0 °F 81% 29.31 in 0.5 mi NW 25.3 mph 35.7 mph 0.00 in Snow Snow
11:38 AM 21.0 °F 5.4 °F 16.0 °F 81% 29.28 in 0.2 mi NW 20.7 mph 35.7 mph 0.01 in Snow Heavy Snow
11:51 AM 19.9 °F 3.2 °F 16.0 °F 85% 29.28 in 0.2 mi NW 23.0 mph 38.0 mph 0.01 in Fog , Snow Snow
12:51 PM 21.0 °F 2.4 °F 15.1 °F 78% 29.24 in 0.2 mi NW 31.1 mph 44.9 mph 0.01 in Snow Light Snow
1:05 PM 21.0 °F 2.4 °F 15.1 °F 78% 29.23 in 0.2 mi NW 31.1 mph 43.7 mph 0.00 in Snow Light Snow
1:17 PM 21.0 °F 2.7 °F 15.1 °F 78% 29.23 in 0.5 mi NW 29.9 mph 47.2 mph 0.00 in Snow Light Snow
1:35 PM 21.9 °F 4.8 °F 15.1 °F 75% 29.23 in 1.0 mi NW 26.5 mph 38.0 mph 0.00 in Snow Light Snow
1:48 PM 21.2 °F 3.9 °F 15.8 °F 80% 29.22 in 1.5 mi NW 26.5 mph 36.8 mph 0.00 in Snow Light Snow
1:51 PM 21.9 °F 4.2 °F 14.0 °F 72% 29.23 in 1.5 mi NW 28.8 mph 39.1 mph 0.00 in Snow Light Snow
1:58 PM 21.9 °F 3.7 °F 12.9 °F 68% 29.22 in 1.0 mi NW 31.1 mph 44.9 mph 0.00 in Snow Light Snow
2:03 PM 21.9 °F 3.4 °F 12.9 °F 68% 29.22 in 4.0 mi NW 32.2 mph 48.3 mph 0.00 in Snow Light Snow
2:51 PM 23.0 °F 4.6 °F 10.9 °F 60% 29.24 in 10.0 mi NW 33.4 mph 48.3 mph 0.00 in   Overcast
3:51 PM 23.0 °F 6.3 °F 7.0 °F 50% 29.26 in 10.0 mi NW 26.5 mph 48.3 mph N/A   Overcast
4:51 PM 24.1 °F 10.1 °F 5.0 °F 44% 29.28 in 10.0 mi NW 18.4 mph 31.1 mph N/A   Overcast
5:51 PM 21.9 °F 5.1 °F 1.0 °F 40% 29.33 in 10.0 mi NW 25.3 mph 39.1 mph N/A   Overcast
6:51 PM 21.0 °F 6.6 °F 1.9 °F 44% 29.36 in 10.0 mi WNW 17.3 mph 28.8 mph N/A   Overcast
7:51 PM 19.9 °F 6.2 °F 1.0 °F 44% 29.39 in 10.0 mi WNW 15.0 mph 25.3 mph N/A   Overcast
8:51 PM 19.9 °F 3.9 °F 1.9 °F 46% 29.42 in 10.0 mi WNW 20.7 mph - N/A   Overcast
9:51 PM 19.9 °F 3.2 °F 3.0 °F 48% 29.43 in 10.0 mi WNW 23.0 mph 28.8 mph N/A   Overcast
10:51 PM 19.9 °F 4.3 °F 1.9 °F 46% 29.45 in 10.0 mi West 19.6 mph - N/A   Overcast