Portland, ME

1:21 AM EDT on May 28, 2018 (GMT -0400)
Portland International

Weather History for KPWM - December, 2012

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Friday, December 28, 2012

  Actual Average Record
Temperature  
Mean Temperature 29 °F 25 °F  
Max Temperature 37 °F 34 °F 57 °F (1949)
Min Temperature 21 °F 16 °F -13 °F (1951)
Degree Days  
Heating Degree Days 36 40  
Month to date heating degree days 885 998  
Since 1 July heating degree days 2222 2489  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 492 359  
Moisture  
Dew Point 20 °F    
Average Humidity 67    
Maximum Humidity 81    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in 0.12 in 2.06 in (1922)
Month to date precipitation 7.95 3.68  
Year to date precipitation 54.12 46.91  
Snow  
Snow 0.00 in 0.60 in 21.00 in (1946)
Month to date snowfall 17.6 11.5  
Since 1 July snowfall 20.5 13.4  
Snow Depth 8.00 in    
Sea Level Pressure  
Sea Level Pressure 29.81 in    
Wind  
Wind Speed 9 mph (NW)    
Max Wind Speed 24 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Dec. 28, 2012 Rise Set
Actual Time 7:14 AM EST 4:12 PM EST
Civil Twilight 6:41 AM EST 4:44 PM EST
Nautical Twilight 6:05 AM EST 5:21 PM EST
Astronomical Twilight 5:30 AM EST 5:55 PM EST
Moon 4:47 PM EST 7:04 AM EST
Length of Visible Light 10h 03m
Length of Day
8h 57m
Full, 100% of the Moon is Illuminated
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 30.9 °F 19.1 °F 23.0 °F 72% 29.57 in 10.0 mi NNW 18.4 mph 26.5 mph N/A   Overcast
1:51 AM 30.9 °F 21.2 °F 23.0 °F 72% 29.61 in 10.0 mi NW 12.7 mph - N/A   Overcast
2:51 AM 30.9 °F 20.2 °F 21.9 °F 69% 29.64 in 10.0 mi NW 15.0 mph - N/A   Overcast
3:51 AM 30.9 °F 21.7 °F 23.0 °F 72% 29.66 in 10.0 mi NW 11.5 mph - N/A   Overcast
4:51 AM 30.0 °F 18.3 °F 21.0 °F 69% 29.70 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Overcast
5:51 AM 28.9 °F 16.9 °F 19.9 °F 69% 29.73 in 10.0 mi NW 17.3 mph 25.3 mph N/A   Overcast
6:51 AM 28.0 °F 17.0 °F 19.0 °F 69% 29.76 in 10.0 mi NW 13.8 mph 21.9 mph N/A   Partly Cloudy
7:51 AM 28.9 °F 19.2 °F 18.0 °F 64% 29.77 in 10.0 mi NW 11.5 mph - N/A   Clear
8:51 AM 30.0 °F 21.7 °F 19.0 °F 64% 29.80 in 10.0 mi NNW 9.2 mph 21.9 mph N/A   Clear
9:51 AM 32.0 °F 24.8 °F 19.9 °F 61% 29.84 in 10.0 mi NW 8.1 mph - N/A   Clear
10:51 AM 33.1 °F 23.4 °F 19.9 °F 59% 29.83 in 10.0 mi NW 13.8 mph 20.7 mph N/A   Partly Cloudy
11:51 AM 34.0 °F 27.2 °F 21.0 °F 59% 29.83 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
12:51 PM 35.1 °F 26.9 °F 19.9 °F 54% 29.83 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
1:51 PM 36.0 °F 28.5 °F 19.9 °F 52% 29.84 in 10.0 mi NW 10.4 mph - N/A   Partly Cloudy
2:51 PM 36.0 °F 29.0 °F 21.0 °F 55% 29.86 in 10.0 mi NW 9.2 mph - N/A   Clear
3:51 PM 33.1 °F 27.7 °F 19.9 °F 59% 29.88 in 10.0 mi North 5.8 mph - N/A   Clear
4:51 PM 28.9 °F - 19.0 °F 67% 29.90 in 10.0 mi Calm Calm - N/A   Clear
5:51 PM 28.9 °F 23.9 °F 19.0 °F 67% 29.92 in 10.0 mi WNW 4.6 mph - N/A   Clear
7:51 PM 26.6 °F - 19.4 °F 74% 29.95 in 10.0 mi Calm Calm - N/A   Clear
8:51 PM 24.1 °F 18.2 °F 19.0 °F 81% 29.95 in 10.0 mi West 4.6 mph - N/A   Clear
9:51 PM 25.0 °F 20.7 °F 18.0 °F 75% 29.98 in 10.0 mi West 3.5 mph - N/A   Clear
10:51 PM 25.0 °F - 19.0 °F 78% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:51 PM 21.9 °F 17.2 °F 18.0 °F 85% 29.97 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy