Weather History for Portland, ME

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Saturday, February 23, 2013

  Actual Average Record
Temperature  
Mean Temperature 33 °F 27 °F  
Max Temperature 37 °F 37 °F 61 °F (1990)
Min Temperature 29 °F 18 °F -18 °F (1972)
Degree Days  
Heating Degree Days 32 38  
Month to date heating degree days 875 923  
Since 1 July heating degree days 4446 4859  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 30 °F    
Average Humidity 85    
Maximum Humidity 100    
Minimum Humidity 69    
Precipitation  
Precipitation 0.11 in 0.13 in 1.76 in (1928)
Month to date precipitation 3.80 2.61  
Year to date precipitation 5.16 5.99  
Snow  
Snow T in 0.40 in 17.10 in (1967)
Month to date snowfall 35.9 9.9  
Since 1 July snowfall 70.9 44.2  
Snow Depth 5.00 in    
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 4 mph (ESE)    
Max Wind Speed 14 mph    
Max Gust Speed 19 mph    
Visibility 6 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 23, 2013 Rise Set
Actual Time 6:27 AM EST 5:22 PM EST
Civil Twilight 5:58 AM EST 5:51 PM EST
Nautical Twilight 5:24 AM EST 6:24 PM EST
Astronomical Twilight 4:51 AM EST 6:58 PM EST
Moon 3:27 PM EST (2/23) 4:50 AM EST (2/23)
Length of Visible Light 11h 53m
Length of Day
10h 55m
Waxing Gibbous, 95% of the Moon is Illuminated
Feb 23
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

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 30.0 °F - 23.0 °F 75% 30.35 in 10.0 mi Calm Calm - N/A   Overcast
1:51 AM 30.9 °F - 23.0 °F 72% 30.33 in 10.0 mi Calm Calm - N/A   Overcast
2:51 AM 30.0 °F - 23.0 °F 75% 30.31 in 10.0 mi Calm Calm - N/A   Overcast
3:51 AM 30.0 °F - 23.0 °F 75% 30.30 in 10.0 mi Calm Calm - N/A   Overcast
4:51 AM 30.0 °F - 24.1 °F 79% 30.30 in 10.0 mi Calm Calm - N/A   Overcast
5:51 AM 30.9 °F - 23.0 °F 72% 30.30 in 10.0 mi Calm Calm - N/A   Overcast
6:51 AM 30.2 °F 25.4 °F 23.0 °F 75% 30.28 in 10.0 mi NE 4.6 mph - N/A   Overcast
7:33 AM 30.0 °F 24.1 °F 23.0 °F 75% 30.27 in 10.0 mi NE 5.8 mph - N/A   Overcast
7:51 AM 30.9 °F 27.5 °F 23.0 °F 72% 30.27 in 10.0 mi NE 3.5 mph - N/A   Overcast
8:51 AM 30.9 °F 25.2 °F 25.0 °F 79% 30.26 in 10.0 mi NE 5.8 mph - N/A   Overcast
8:58 AM 30.9 °F 26.2 °F 25.0 °F 79% 30.25 in 10.0 mi NE 4.6 mph - N/A   Overcast
9:51 AM 33.1 °F - 25.0 °F 72% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
10:51 AM 35.1 °F - 28.0 °F 76% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
10:58 AM 35.1 °F - 28.0 °F 76% 30.22 in 10.0 mi Calm Calm - N/A   Overcast
11:06 AM 35.1 °F - 28.0 °F 76% 30.22 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
11:17 AM 34.0 °F - 28.9 °F 82% 30.23 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
11:32 AM 34.0 °F - 28.9 °F 82% 30.22 in 8.0 mi Calm Calm - 0.00 in   Overcast
11:51 AM 35.1 °F 32.2 °F 30.0 °F 82% 30.22 in 10.0 mi NNE 3.5 mph - 0.00 in   Overcast
12:13 PM 35.1 °F - 30.0 °F 82% 30.20 in 0.8 mi Calm Calm - 0.00 in Snow Light Snow
12:22 PM 34.0 °F - 30.9 °F 89% 30.19 in 0.8 mi Calm Calm - 0.01 in Snow Light Snow
12:51 PM 33.8 °F - 32.0 °F 93% 30.18 in 1.0 mi Calm Calm - N/A Snow Light Snow
12:54 PM 34.0 °F - 33.1 °F 96% 30.18 in 1.5 mi Calm Calm - 0.00 in Snow Light Snow
1:05 PM 35.1 °F - 33.1 °F 92% 30.18 in 3.0 mi Calm Calm - 0.00 in   Overcast
1:26 PM 34.0 °F - 32.0 °F 92% 30.18 in 1.0 mi Calm Calm - 0.01 in Snow Light Snow
1:34 PM 34.0 °F - 33.1 °F 96% 30.17 in 1.0 mi Calm Calm - 0.02 in Snow Light Snow
1:48 PM 33.8 °F - 33.8 °F 100% 30.17 in 2.0 mi Calm Calm - 0.03 in Snow Light Snow
1:51 PM 34.0 °F - 33.1 °F 96% 30.17 in 1.8 mi Calm Calm - 0.03 in Snow Light Snow
1:53 PM 34.0 °F 31.0 °F 33.1 °F 96% 30.17 in 3.0 mi SSW 3.5 mph - 0.00 in Snow Light Snow
1:55 PM 34.0 °F 31.0 °F 33.1 °F 96% 30.17 in 1.8 mi SSW 3.5 mph - 0.00 in Snow Light Snow
2:51 PM 36.0 °F 30.3 °F 33.1 °F 89% 30.15 in 3.0 mi ESE 6.9 mph - 0.01 in   Overcast
2:58 PM 36.0 °F 29.6 °F 33.1 °F 89% 30.15 in 5.0 mi SE 8.1 mph - N/A   Overcast
3:51 PM 37.0 °F 31.0 °F 32.0 °F 82% 30.14 in 6.0 mi SSE 8.1 mph - N/A   Haze
4:44 PM 36.0 °F 28.0 °F 32.0 °F 86% 30.12 in 5.0 mi SSE 11.5 mph - 0.00 in Rain Light Rain
4:51 PM 36.0 °F 28.0 °F 32.0 °F 86% 30.13 in 5.0 mi SSE 11.5 mph - 0.00 in Rain Light Rain
5:05 PM 35.1 °F 27.4 °F 30.9 °F 85% 30.12 in 1.5 mi SE 10.4 mph - 0.00 in Snow Light Snow
5:51 PM 35.1 °F 26.9 °F 32.0 °F 89% 30.12 in 4.0 mi SE 11.5 mph - 0.01 in Rain Light Rain
6:14 PM 34.0 °F 25.0 °F 32.0 °F 92% 30.11 in 5.0 mi SE 12.7 mph - 0.00 in Rain Light Rain
6:51 PM 34.0 °F 28.0 °F 32.0 °F 92% 30.11 in 6.0 mi SE 6.9 mph - 0.00 in Rain Light Rain
7:03 PM 34.0 °F 27.2 °F 32.0 °F 92% 30.10 in 3.0 mi SE 8.1 mph - 0.00 in Rain , Snow Light Rain
7:28 PM 34.0 °F 26.6 °F 32.0 °F 92% 30.09 in 3.0 mi ESE 9.2 mph - 0.01 in Rain , Snow Light Rain
7:40 PM 34.0 °F 27.2 °F 32.0 °F 92% 30.09 in 3.0 mi SE 8.1 mph - 0.01 in Rain Light Rain
7:51 PM 34.0 °F 27.2 °F 30.9 °F 89% 30.09 in 3.0 mi ESE 8.1 mph - 0.01 in Rain , Snow Light Rain
7:58 PM 34.0 °F 27.2 °F 30.9 °F 89% 30.08 in 3.0 mi ESE 8.1 mph - 0.00 in Rain , Snow Light Rain
8:51 PM 35.1 °F 29.3 °F 30.9 °F 85% 30.07 in 6.0 mi East 6.9 mph - 0.00 in Rain Light Rain
9:22 PM 35.1 °F 27.9 °F 32.0 °F 89% 30.05 in 6.0 mi East 9.2 mph - 0.00 in Rain , Snow Light Rain
9:40 PM 35.1 °F 28.6 °F 32.0 °F 89% 30.04 in 6.0 mi East 8.1 mph - 0.00 in Rain Light Rain
9:51 PM 35.1 °F 28.6 °F 32.0 °F 89% 30.04 in 7.0 mi East 8.1 mph - 0.00 in   Overcast
10:43 PM 36.0 °F 29.6 °F 33.1 °F 89% 30.02 in 5.0 mi East 8.1 mph - 0.00 in Rain Light Rain
10:51 PM 36.0 °F 32.1 °F 33.1 °F 89% 30.02 in 5.0 mi East 4.6 mph - 0.00 in Rain Light Rain
11:37 PM 36.0 °F 29.6 °F 33.1 °F 89% 30.00 in 5.0 mi ESE 8.1 mph - 0.00 in Rain Light Rain
11:49 PM 35.6 °F 29.2 °F 33.8 °F 93% 30.00 in 4.0 mi ESE 8.1 mph - 0.01 in Rain Light Rain
11:51 PM 36.0 °F 29.0 °F 33.1 °F 89% 30.00 in 4.0 mi ESE 9.2 mph - 0.01 in Rain Light Rain