Portland, ME

6:13 PM EDT on April 19, 2018 (GMT -0400)
Portland International

Weather History for KPWM - December, 2013

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Friday, December 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 36 °F 27 °F  
Max Temperature 45 °F 36 °F 53 °F (1957)
Min Temperature 26 °F 19 °F -20 °F (1975)
Degree Days  
Heating Degree Days 29 38  
Month to date heating degree days 795 685  
Since 1 July heating degree days 2246 2176  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 454 359  
Moisture  
Dew Point 28 °F    
Average Humidity 83    
Maximum Humidity 96    
Minimum Humidity 69    
Precipitation  
Precipitation T in 0.12 in 1.79 in (1939)
Month to date precipitation 2.51 2.70  
Year to date precipitation 41.94 45.93  
Snow  
Snow 0.00 in 0.50 in 8.60 in (1995)
Month to date snowfall 23.0 7.4  
Since 1 July snowfall 23.5 9.3  
Snow Depth 12.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 1 mph (North)    
Max Wind Speed 7 mph    
Max Gust Speed 8 mph    
Visibility 8 miles    
Events Rain    
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. 20, 2013 Rise Set
Actual Time 7:11 AM EST 4:06 PM EST
Civil Twilight 6:38 AM EST 4:39 PM EST
Nautical Twilight 6:01 AM EST 5:16 PM EST
Astronomical Twilight 5:26 AM EST 5:51 PM EST
Moon 7:30 PM EST (12/20) 8:58 AM EST (12/20)
Length of Visible Light 10h 01m
Length of Day
8h 55m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 20
Waning Gibbous
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
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 27.0 °F - 21.0 °F 78% 30.09 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
1:51 AM 28.0 °F - 21.9 °F 78% 30.10 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 28.9 °F - 21.9 °F 75% 30.12 in 10.0 mi Calm Calm - N/A   Clear
3:51 AM 27.0 °F - 21.9 °F 81% 30.11 in 10.0 mi Calm Calm - N/A   Clear
4:51 AM 27.0 °F - 21.9 °F 81% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
5:51 AM 28.9 °F - 23.0 °F 78% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
6:51 AM 28.9 °F - 24.1 °F 82% 30.12 in 9.0 mi Calm Calm - N/A   Overcast
7:51 AM 30.0 °F - 26.1 °F 85% 30.10 in 7.0 mi Calm Calm - N/A   Overcast
8:51 AM 30.0 °F 26.5 °F 26.1 °F 85% 30.10 in 6.0 mi NNW 3.5 mph - N/A   Overcast
9:51 AM 33.1 °F - 28.9 °F 85% 30.09 in 7.0 mi Calm Calm - N/A   Overcast
9:58 AM 34.0 °F - 28.9 °F 82% 30.08 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
10:51 AM 36.0 °F - 28.9 °F 76% 30.04 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
11:51 AM 37.0 °F - 30.0 °F 76% 29.99 in 8.0 mi Calm Calm - N/A   Overcast
12:51 PM 37.9 °F - 30.9 °F 76% 29.94 in 7.0 mi Calm Calm - N/A   Overcast
1:51 PM 42.1 °F 40.2 °F 35.1 °F 76% 29.91 in 10.0 mi SSW 3.5 mph - N/A   Overcast
2:51 PM 42.1 °F 40.2 °F 35.1 °F 76% 29.91 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
3:51 PM 37.9 °F 33.5 °F 30.9 °F 76% 29.92 in 10.0 mi WNW 5.8 mph - N/A   Overcast
4:51 PM 37.0 °F - 30.9 °F 79% 29.91 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
5:51 PM 37.0 °F 34.5 °F 32.0 °F 82% 29.92 in 7.0 mi North 3.5 mph - 0.00 in   Overcast
6:51 PM 37.0 °F 34.5 °F 33.1 °F 86% 29.92 in 8.0 mi North 3.5 mph - N/A   Overcast
7:51 PM 36.0 °F - 32.0 °F 86% 29.95 in 8.0 mi Calm Calm - 0.00 in   Overcast
8:51 PM 34.0 °F - 32.0 °F 92% 29.94 in 7.0 mi Calm Calm - N/A   Overcast
9:51 PM 35.1 °F 32.2 °F 30.9 °F 85% 29.95 in 8.0 mi NNE 3.5 mph - N/A   Overcast
10:51 PM 34.0 °F 28.8 °F 30.9 °F 89% 29.95 in 7.0 mi North 5.8 mph - N/A   Overcast
11:51 PM 34.0 °F 29.8 °F 30.9 °F 89% 29.94 in 7.0 mi ENE 4.6 mph - N/A   Overcast