Weather History for Portland, ME

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Thursday, February 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 35 °F 29 °F  
Max Temperature 38 °F 38 °F 56 °F (1996)
Min Temperature 32 °F 20 °F -9 °F (1950)
Degree Days  
Heating Degree Days 30 36  
Month to date heating degree days 1028 1107  
Since 1 July heating degree days 4599 5042  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 33 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 85    
Precipitation  
Precipitation 0.18 in 0.13 in 1.38 in (1884)
Month to date precipitation 6.07 3.25  
Year to date precipitation 7.43 6.63  
Snow  
Snow T in 0.40 in 13.80 in (1884)
Month to date snowfall 49.5 12.1  
Since 1 July snowfall 84.5 46.4  
Snow Depth 8.00 in    
Sea Level Pressure  
Sea Level Pressure 29.57 in    
Wind  
Wind Speed 10 mph (NNW)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 5 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 28, 2013 Rise Set
Actual Time 6:19 AM EST 5:28 PM EST
Civil Twilight 5:50 AM EST 5:57 PM EST
Nautical Twilight 5:17 AM EST 6:31 PM EST
Astronomical Twilight 4:43 AM EST 7:04 PM EST
Moon 9:00 PM EST (2/28) 7:19 AM EST (2/28)
Length of Visible Light 12h 07m
Length of Day
11h 09m
Waning Gibbous, 91% of the Moon is Illuminated
Feb 28
Waning Gibbous
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
Mar 27
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:03 AM 34.0 °F 23.8 °F 33.1 °F 96% 29.63 in 2.5 mi NNE 16.1 mph 23.0 mph 0.01 in   Overcast
12:14 AM 34.0 °F 25.0 °F 33.1 °F 96% 29.62 in 2.0 mi NNE 12.7 mph - 0.01 in   Overcast
12:21 AM 34.0 °F 24.2 °F 33.1 °F 96% 29.61 in 1.8 mi NNE 15.0 mph - 0.02 in Rain Light Rain
12:30 AM 34.0 °F 24.2 °F 33.1 °F 96% 29.60 in 2.0 mi NNE 15.0 mph 21.9 mph 0.04 in Snow Light Snow
12:37 AM 34.0 °F 24.2 °F 33.1 °F 96% 29.60 in 1.5 mi NNE 15.0 mph - 0.04 in Snow Light Snow
12:46 AM 33.8 °F 24.8 °F 33.8 °F 100% 29.60 in 1.2 mi NNE 12.7 mph - 0.06 in Snow Light Snow
12:51 AM 34.0 °F 25.5 °F 33.1 °F 96% 29.60 in 1.5 mi North 11.5 mph - 0.06 in Snow Light Snow
1:38 AM 34.0 °F 23.8 °F 33.1 °F 96% 29.55 in 1.8 mi NNE 16.1 mph - 0.07 in Snow Light Snow
1:47 AM 33.8 °F 24.3 °F 33.8 °F 100% 29.54 in 2.0 mi NNE 13.8 mph - 0.09 in Snow Light Snow
1:51 AM 34.0 °F 23.8 °F 33.1 °F 96% 29.55 in 2.0 mi NNE 16.1 mph - 0.09 in   Overcast
2:08 AM 35.1 °F 26.9 °F 34.0 °F 96% 29.54 in 2.5 mi North 11.5 mph - 0.01 in Snow Light Snow
2:30 AM 34.0 °F 24.6 °F 34.0 °F 100% 29.53 in 1.8 mi North 13.8 mph - 0.02 in Snow Light Snow
2:51 AM 33.8 °F 25.3 °F 33.8 °F 100% 29.53 in 1.8 mi NNW 11.5 mph - N/A Snow Light Snow
3:51 AM 34.0 °F 27.2 °F 34.0 °F 100% 29.54 in 1.5 mi WNW 8.1 mph - 0.01 in   Overcast
4:07 AM 34.0 °F 27.2 °F 34.0 °F 100% 29.54 in 2.0 mi NW 8.1 mph - 0.01 in   Overcast
4:35 AM 34.0 °F 26.0 °F 33.1 °F 96% 29.53 in 3.0 mi North 10.4 mph - 0.01 in   Overcast
4:47 AM 33.8 °F 27.0 °F 33.8 °F 100% 29.54 in 1.8 mi SW 8.1 mph - 0.01 in   Overcast
4:51 AM 34.0 °F 27.2 °F 34.0 °F 100% 29.55 in 1.8 mi West 8.1 mph - 0.01 in   Overcast
5:30 AM 33.1 °F 26.9 °F 33.1 °F 100% 29.55 in 2.0 mi WNW 6.9 mph - N/A   Overcast
5:51 AM 33.1 °F 26.1 °F 33.1 °F 100% 29.56 in 0.8 mi West 8.1 mph - 0.00 in   Drizzle
6:20 AM 33.1 °F 26.1 °F 33.1 °F 100% 29.57 in 1.5 mi West 8.1 mph - 0.00 in   Drizzle
6:51 AM 33.1 °F 25.5 °F 33.1 °F 100% 29.58 in 3.0 mi West 9.2 mph - 0.00 in   Drizzle
7:51 AM 34.0 °F 27.2 °F 33.1 °F 96% 29.60 in 10.0 mi West 8.1 mph - 0.00 in   Overcast
8:51 AM 33.8 °F 27.0 °F 33.8 °F 100% 29.59 in 10.0 mi WNW 8.1 mph - N/A   Overcast
9:51 AM 35.6 °F 29.9 °F 33.8 °F 93% 29.60 in 10.0 mi West 6.9 mph - N/A   Overcast
10:51 AM 36.0 °F 30.3 °F 34.0 °F 93% 29.62 in 10.0 mi WSW 6.9 mph - N/A   Overcast
11:51 AM 37.0 °F 31.0 °F 34.0 °F 89% 29.60 in 10.0 mi WSW 8.1 mph - N/A   Overcast
12:51 PM 37.0 °F 30.4 °F 35.1 °F 93% 29.57 in 10.0 mi WNW 9.2 mph - N/A   Overcast
1:51 PM 37.9 °F 30.9 °F 34.0 °F 86% 29.56 in 10.0 mi NW 10.4 mph - N/A   Overcast
2:51 PM 37.9 °F 30.9 °F 35.1 °F 89% 29.55 in 10.0 mi North 10.4 mph - N/A   Overcast
3:29 PM 37.0 °F 31.0 °F 36.0 °F 96% 29.54 in 9.0 mi North 8.1 mph - N/A   Overcast
3:51 PM 37.9 °F 32.7 °F 36.0 °F 93% 29.55 in 3.0 mi NW 6.9 mph - N/A   Overcast
4:21 PM 37.9 °F 32.7 °F 36.0 °F 93% 29.55 in 3.0 mi NW 6.9 mph - N/A   Overcast
4:51 PM 37.0 °F 29.8 °F 36.0 °F 96% 29.56 in 3.0 mi North 10.4 mph - N/A   Overcast
5:51 PM 36.0 °F 28.5 °F 35.1 °F 97% 29.55 in 3.0 mi North 10.4 mph - N/A   Overcast
6:51 PM 35.1 °F 27.4 °F 33.1 °F 92% 29.57 in 3.0 mi NNW 10.4 mph - N/A   Overcast
7:36 PM 35.1 °F 26.9 °F 32.0 °F 89% 29.56 in 10.0 mi NNW 11.5 mph - N/A   Overcast
7:51 PM 35.1 °F 26.9 °F 32.0 °F 89% 29.56 in 5.0 mi North 11.5 mph - N/A   Overcast
8:51 PM 34.0 °F 25.5 °F 30.9 °F 89% 29.57 in 5.0 mi North 11.5 mph - N/A   Overcast
9:30 PM 34.0 °F 25.5 °F 30.9 °F 89% 29.57 in 10.0 mi North 11.5 mph - N/A   Overcast
9:51 PM 34.0 °F 26.0 °F 30.9 °F 89% 29.57 in 10.0 mi North 10.4 mph - N/A   Overcast
10:28 PM 34.0 °F 25.5 °F 30.9 °F 89% 29.55 in 9.0 mi North 11.5 mph - 0.00 in Snow Light Snow
10:37 PM 33.1 °F 23.9 °F 30.9 °F 92% 29.55 in 6.0 mi North 12.7 mph - 0.00 in Snow Light Snow
10:51 PM 33.1 °F 24.9 °F 30.9 °F 92% 29.55 in 9.0 mi North 10.4 mph - 0.00 in   Overcast
10:59 PM 33.8 °F 26.4 °F 30.2 °F 87% 29.55 in 10.0 mi North 9.2 mph - N/A   Overcast
11:51 PM 32.0 °F 22.1 °F 28.9 °F 88% 29.54 in 10.0 mi North 13.8 mph - N/A   Overcast