Weather History for Portland, ME

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Monday, March 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 25 °F 30 °F  
Max Temperature 32 °F 39 °F 59 °F (1974)
Min Temperature 17 °F 21 °F -4 °F (1948)
Degree Days  
Heating Degree Days 40 35  
Month to date heating degree days 186 177  
Since 1 July heating degree days 4448 5219  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 10 °F    
Average Humidity 62    
Maximum Humidity 85    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.13 in 1.53 in (1940)
Month to date precipitation 1.47 0.63  
Year to date precipitation 7.23 7.26  
Snow  
Snow 0.00 in 0.50 in 8.50 in (1917)
Month to date snowfall 13.7 2.5  
Since 1 July snowfall 43.4 48.9  
Snow Depth 4.00 in    
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 10 mph (NW)    
Max Wind Speed 18 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 05, 2012 Rise Set
Actual Time 6:10 AM EST 5:35 PM EST
Civil Twilight 5:41 AM EST 6:04 PM EST
Nautical Twilight 5:08 AM EST 6:37 PM EST
Astronomical Twilight 4:35 AM EST 7:10 PM EST
Moon 2:46 PM EST (3/5) 4:12 AM EST (3/5)
Length of Visible Light 12h 22m
Length of Day
11h 25m
Waxing Gibbous, 91% of the Moon is Illuminated
Mar 5
Waxing Gibbous
Mar 8
Full
Mar 14
Last Quarter
Mar 22
New
Mar 30
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:22 AM 30.2 °F 22.6 °F 26.6 °F 86% 29.58 in 10.0 mi WNW 8.1 mph - N/A   Overcast
12:51 AM 32.0 °F 25.6 °F 27.0 °F 82% 29.60 in 10.0 mi NW 6.9 mph - N/A   Overcast
1:51 AM 30.9 °F 27.5 °F 27.0 °F 85% 29.62 in 10.0 mi Variable 3.5 mph - N/A   Overcast
2:51 AM 30.0 °F 21.7 °F 15.1 °F 54% 29.64 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
3:51 AM 28.0 °F 20.0 °F 12.9 °F 53% 29.66 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
4:51 AM 28.0 °F 20.0 °F 12.9 °F 53% 29.69 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
5:51 AM 27.0 °F 20.5 °F 14.0 °F 58% 29.72 in 10.0 mi West 5.8 mph - N/A   Overcast
6:51 AM 26.1 °F 15.6 °F 10.9 °F 53% 29.76 in 10.0 mi West 11.5 mph - N/A   Overcast
7:51 AM 26.1 °F 14.0 °F 8.1 °F 47% 29.79 in 10.0 mi West 15.0 mph 24.2 mph N/A   Partly Cloudy
8:51 AM 26.1 °F 14.0 °F 8.1 °F 47% 29.83 in 10.0 mi West 15.0 mph - N/A   Partly Cloudy
9:51 AM 26.6 °F 16.2 °F 8.6 °F 47% 29.85 in 10.0 mi WNW 11.5 mph 18.4 mph N/A   Partly Cloudy
10:51 AM 28.0 °F 17.0 °F 9.0 °F 45% 29.88 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
11:51 AM 28.0 °F 16.5 °F 10.0 °F 47% 29.91 in 10.0 mi West 15.0 mph 25.3 mph N/A   Scattered Clouds
12:51 PM 28.9 °F 22.8 °F 8.1 °F 41% 29.92 in 10.0 mi Variable 5.8 mph 20.7 mph N/A   Scattered Clouds
1:51 PM 30.0 °F 18.3 °F 9.0 °F 41% 29.95 in 10.0 mi WNW 17.3 mph 27.6 mph N/A   Partly Cloudy
2:51 PM 30.0 °F 19.1 °F 9.0 °F 41% 29.98 in 10.0 mi WNW 15.0 mph 19.6 mph N/A   Clear
3:51 PM 30.0 °F 18.3 °F 8.1 °F 40% 30.01 in 10.0 mi NW 17.3 mph 21.9 mph N/A   Clear
4:51 PM 28.9 °F 20.4 °F 8.1 °F 41% 30.06 in 10.0 mi NNW 9.2 mph - N/A   Clear
5:51 PM 27.0 °F 18.0 °F 7.0 °F 43% 30.11 in 10.0 mi NNW 9.2 mph - N/A   Clear
6:51 PM 24.1 °F 12.5 °F 5.0 °F 44% 30.15 in 10.0 mi North 12.7 mph - N/A   Clear
7:51 PM 21.9 °F 10.4 °F 3.9 °F 46% 30.18 in 10.0 mi NNW 11.5 mph 18.4 mph N/A   Clear
8:51 PM 21.0 °F 13.4 °F 3.9 °F 48% 30.24 in 10.0 mi North 5.8 mph - N/A   Clear
9:51 PM 19.9 °F 13.4 °F 3.9 °F 50% 30.26 in 10.0 mi North 4.6 mph - N/A   Clear
10:51 PM 19.0 °F 10.0 °F 3.0 °F 50% 30.28 in 10.0 mi NNW 6.9 mph - N/A   Clear
11:51 PM 18.0 °F 7.7 °F 3.0 °F 52% 30.30 in 10.0 mi NNW 8.1 mph - N/A   Clear