Weather History for Portland, ME

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Week of March 17, 2013 through March 23, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 40 °F 36 °F 33 °F
Mean Temperature 32 °F 28 °F 24 °F
Min Temperature 24 °F 20 °F 13 °F
Degree Days  
Heating Degree Days (base 65) 41 37 33 256
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 29 °F 15 °F -3 °F
Precipitation  
Precipitation 0.69 in 0.10 in 0.00 in 0.73 in
Snowdepth 8.0 in 5.8 in 2.0 in -
Wind  
Wind 31 mph 10 mph 0 mph
Gust Wind 40 mph 27 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 29.86 in 29.53 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Mar. 21, 2013 Rise Set
Actual Time 6:42 AM EDT 6:55 PM EDT
Civil Twilight 6:13 AM EDT 7:23 PM EDT
Nautical Twilight 5:40 AM EDT 7:57 PM EDT
Astronomical Twilight 5:05 AM EDT 8:31 PM EDT
Moon 1:12 PM EDT (3/21) 3:11 AM EDT (3/21)
Length of Visible Light 13h 10m
Length of Day
12h 12m
Waxing Gibbous, 68% of the Moon is Illuminated
Mar 21
Waxing Gibbous
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New
Apr 18
First Quarter

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Mar high avg low high avg low high avg low high avg low high avg low high avg high sum  
17 33 26 18 14 5 -3 71 48 25 30.32 30.05 29.90 10 10 10 29 11 37 0.00  
18 35 24 13 20 7 -3 67 45 22 30.45 30.37 30.28 10 10 10 14 5 19 0.00  
19 33 29 24 29 26 20 92 77 61 30.25 29.99 29.67 10 2 0 31 18 39 0.69 Fog , Snow
20 36 28 19 22 19 16 92 68 44 29.74 29.67 29.63 10 7 1 20 12 29 0.04 Snow
21 38 30 21 22 16 12 81 60 38 29.77 29.70 29.61 10 10 10 13 5 - 0.00  
22 38 30 21 21 16 12 68 52 35 29.67 29.63 29.60 10 10 10 20 7 23 0.00  
23 40 32 24 21 19 14 69 55 40 29.68 29.61 29.53 10 10 10 31 15 40 0.00