South Portland, ME

10:51 AM EST on December 08, 2016 (GMT -0500)
Portland International

Weather History for KPWM - December, 2012

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Saturday, December 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 34 °F 27 °F  
Max Temperature 41 °F 35 °F 60 °F (1949)
Min Temperature 26 °F 18 °F -14 °F (1970)
Degree Days  
Heating Degree Days 31 38  
Month to date heating degree days 662 761  
Since 1 July heating degree days 1999 2252  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 492 359  
Moisture  
Dew Point 24 °F    
Average Humidity 65    
Maximum Humidity 82    
Minimum Humidity 47    
Precipitation  
Precipitation T in 0.12 in 1.46 in (1902)
Month to date precipitation 6.54 2.95  
Year to date precipitation 52.71 46.18  
Snow  
Snow T in 0.50 in 8.60 in (1962)
Month to date snowfall 4.9 8.4  
Since 1 July snowfall 7.8 10.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.31 in    
Wind  
Wind Speed 11 mph (WSW)    
Max Wind Speed 21 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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Daily Weather History Graph

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Date:

Astronomy

Dec. 22, 2012 Rise Set
Actual Time 7:12 AM EST 4:08 PM EST
Civil Twilight 6:39 AM EST 4:40 PM EST
Nautical Twilight 6:03 AM EST 5:17 PM EST
Astronomical Twilight 5:28 AM EST 5:52 PM EST
Moon 12:29 PM EST (12/22) 1:48 AM EST (12/22)
Length of Visible Light 10h 01m
Length of Day
8h 55m
Waxing Gibbous, 73% of the Moon is Illuminated
Dec 22
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
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 39.9 °F 35.1 °F 32.0 °F 73% 29.16 in 10.0 mi SSW 6.9 mph - N/A   Overcast
1:51 AM 39.9 °F 34.5 °F 32.0 °F 73% 29.18 in 10.0 mi SSW 8.1 mph - N/A   Overcast
2:51 AM 39.0 °F 34.0 °F 32.0 °F 76% 29.19 in 10.0 mi SSW 6.9 mph 16.1 mph N/A   Overcast
3:51 AM 37.9 °F 32.1 °F 32.0 °F 79% 29.19 in 10.0 mi SSW 8.1 mph - N/A   Overcast
4:51 AM 35.6 °F 28.0 °F 30.2 °F 81% 29.21 in 10.0 mi SSW 10.4 mph 18.4 mph N/A   Clear
5:51 AM 36.0 °F 29.0 °F 30.0 °F 79% 29.23 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
6:51 AM 36.0 °F 29.6 °F 30.0 °F 79% 29.25 in 10.0 mi SSW 8.1 mph - N/A   Overcast
7:51 AM 36.0 °F 29.0 °F 30.0 °F 79% 29.26 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
8:51 AM 37.0 °F 31.0 °F 30.0 °F 76% 29.27 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
9:51 AM 39.0 °F 33.4 °F 30.9 °F 73% 29.27 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
10:51 AM 39.9 °F 32.9 °F 30.9 °F 70% 29.26 in 10.0 mi WSW 11.5 mph - N/A   Overcast
11:51 AM 39.9 °F 33.9 °F 30.0 °F 68% 29.25 in 10.0 mi WSW 9.2 mph 17.3 mph N/A   Overcast
12:51 PM 39.9 °F 33.4 °F 26.1 °F 58% 29.25 in 10.0 mi WSW 10.4 mph - N/A   Overcast
1:51 PM 37.9 °F 29.2 °F 24.1 °F 57% 29.28 in 10.0 mi West 15.0 mph - N/A   Overcast
2:51 PM 36.0 °F 26.3 °F 23.0 °F 59% 29.30 in 9.0 mi WSW 16.1 mph 23.0 mph 0.00 in   Overcast
3:51 PM 35.1 °F 25.2 °F 23.0 °F 61% 29.33 in 10.0 mi West 16.1 mph 20.7 mph N/A   Overcast
4:51 PM 34.0 °F 24.2 °F 21.9 °F 61% 29.37 in 10.0 mi West 15.0 mph - 0.00 in   Mostly Cloudy
5:51 PM 32.0 °F 22.1 °F 19.0 °F 59% 29.39 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
6:51 PM 30.9 °F 20.2 °F 15.1 °F 52% 29.43 in 10.0 mi West 15.0 mph 25.3 mph N/A   Mostly Cloudy
7:51 PM 30.0 °F 19.1 °F 12.9 °F 49% 29.46 in 10.0 mi West 15.0 mph 23.0 mph N/A   Mostly Cloudy
8:51 PM 28.4 °F 16.2 °F 12.2 °F 51% 29.49 in 10.0 mi NW 17.3 mph 23.0 mph N/A   Scattered Clouds
9:51 PM 28.0 °F 19.3 °F 12.9 °F 53% 29.52 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
10:51 PM 27.0 °F 17.3 °F 12.0 °F 53% 29.53 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
11:51 PM 26.1 °F 16.2 °F 12.0 °F 55% 29.54 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds