London, United Kingdom

11:05 PM BST on September 29, 2016 (GMT +0100)
Heathrow

Weather History for EGLL - December, 2012

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 32 °F -  
Max Temperature 36 °F 46 °F 57 °F (1997)
Min Temperature 26 °F 37 °F 26 °F (2005)
Degree Days  
Heating Degree Days 34    
Moisture  
Dew Point 29 °F    
Average Humidity 91    
Maximum Humidity 100    
Minimum Humidity 72    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.40 in    
Wind  
Wind Speed 4 mph ()    
Max Wind Speed 7 mph    
Max Gust Speed -    
Visibility 3.3 miles    
Events Fog    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:57 AM GMT 3:52 PM GMT
Civil Twilight 7:17 AM GMT 4:32 PM GMT
Nautical Twilight 6:34 AM GMT 5:15 PM GMT
Astronomical Twilight 5:54 AM GMT 5:56 PM GMT
Moon 5:26 AM GMT (12/11) 2:25 PM GMT (12/11)
Length of Visible Light 9h 15m
Length of Day
7h 55m
Waning Crescent, 5% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 5
Last Quarter

Hourly Weather History & Observations

Time (GMT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 33.8 °F 27.7 °F 30.2 °F 87% 30.36 in - North 6.9 mph - N/A   Clear
12:50 AM 33.8 °F 28.6 °F 30.2 °F 87% 30.36 in - North 5.8 mph - N/A   Clear
1:20 AM 32.0 °F 26.4 °F 30.2 °F 93% 30.36 in 6.2 mi NNW 5.8 mph - N/A   Unknown
1:50 AM 32.0 °F 26.4 °F 30.2 °F 93% 30.36 in 6.2 mi North 5.8 mph - N/A   Unknown
2:20 AM 32.0 °F 26.4 °F 28.4 °F 87% 30.39 in 6.2 mi North 5.8 mph - N/A   Unknown
2:50 AM 32 °F - 30 °F 89% 30.39 in 9 mi NNW 6.9 mph - -  
2:50 AM 32.0 °F 26.4 °F 30.2 °F 93% 30.39 in - North 5.8 mph - N/A   Clear
3:20 AM 30.2 °F 25.4 °F 28.4 °F 93% 30.39 in - North 4.6 mph - N/A   Clear
3:50 AM 30.2 °F 26.7 °F 28.4 °F 93% 30.39 in - Variable 3.5 mph - N/A   Clear
4:20 AM 32.0 °F 28.7 °F 28.4 °F 87% 30.39 in 5.6 mi Variable 3.5 mph - N/A   Partly Cloudy
4:50 AM 32.0 °F 27.5 °F 30.2 °F 93% 30.39 in 5.6 mi North 4.6 mph - N/A   Unknown
5:20 AM 32.0 °F 28.7 °F 30.2 °F 93% 30.39 in 5.6 mi Variable 3.5 mph - N/A   Unknown
5:50 AM 31 °F - 29 °F 91% 30.41 in 6 mi NNW 4.6 mph - -   Light Haze
5:50 AM 30.2 °F 26.7 °F 28.4 °F 93% 30.39 in 5.6 mi Variable 3.5 mph - N/A   Unknown
6:20 AM 32.0 °F 28.7 °F 30.2 °F 93% 30.42 in 5.0 mi North 3.5 mph - N/A   Unknown
6:50 AM 32.0 °F 28.7 °F 30.2 °F 93% 30.42 in 4.3 mi North 3.5 mph - N/A   Unknown
7:20 AM 32.0 °F - 30.2 °F 93% 30.42 in 5.0 mi NW 2.3 mph - N/A   Unknown
7:50 AM 32.0 °F - 28.4 °F 87% 30.42 in 5.0 mi Variable 2.3 mph - N/A   Unknown
8:20 AM 32.0 °F 28.7 °F 30.2 °F 93% 30.42 in 4.3 mi Variable 3.5 mph - N/A   Unknown
8:50 AM 31 °F - 29 °F 92% 30.44 in 6 mi NNE 3.5 mph - -   Mist
8:50 AM 32.0 °F - 28.4 °F 87% 30.42 in 4.3 mi Variable 2.3 mph - N/A   Unknown
9:20 AM 32.0 °F 27.5 °F 30.2 °F 93% 30.45 in 3.7 mi North 4.6 mph - N/A   Unknown
9:50 AM 32.0 °F 26.4 °F 30.2 °F 93% 30.45 in 3.1 mi North 5.8 mph - N/A   Unknown
10:20 AM 33.8 °F 29.6 °F 30.2 °F 87% 30.45 in 3.7 mi NNW 4.6 mph - N/A   Partly Cloudy
10:50 AM 32.0 °F 27.5 °F 30.2 °F 93% 30.45 in 3.7 mi North 4.6 mph - N/A   Mostly Cloudy
11:20 AM 33.8 °F 29.6 °F 30.2 °F 87% 30.45 in 3.7 mi NNW 4.6 mph - N/A   Scattered Clouds
11:50 AM 33 °F - 31 °F 87% 30.45 in 5 mi NNW 4.6 mph - -   Light Haze
11:50 AM 33.8 °F 30.8 °F 32.0 °F 93% 30.45 in 4.3 mi Variable 3.5 mph - N/A   Mostly Cloudy
12:20 PM 35.6 °F 31.7 °F 32.0 °F 87% 30.42 in 4.3 mi North 4.6 mph - N/A   Scattered Clouds
12:50 PM 33.8 °F 29.6 °F 32.0 °F 93% 30.42 in 5.0 mi NNW 4.6 mph - N/A   Partly Cloudy
1:20 PM 35.6 °F 31.7 °F 32.0 °F 87% 30.42 in - North 4.6 mph - N/A   Clear
1:50 PM 37.4 °F 33.8 °F 30.2 °F 75% 30.42 in - North 4.6 mph - N/A   Clear
2:20 PM 37.4 °F 33.8 °F 30.2 °F 75% 30.42 in - North 4.6 mph - N/A   Clear
2:50 PM 36 °F - 30 °F 72% 30.41 in 9 mi North 3.5 mph - -  
2:50 PM 35.6 °F 31.7 °F 30.2 °F 81% 30.39 in - North 4.6 mph - N/A   Clear
3:20 PM 35.6 °F 32.8 °F 30.2 °F 81% 30.39 in - Variable 3.5 mph - N/A   Clear
3:50 PM 35.6 °F 31.7 °F 30.2 °F 81% 30.39 in - North 4.6 mph - N/A   Clear
4:20 PM 33.8 °F 29.6 °F 30.2 °F 87% 30.39 in 5.6 mi North 4.6 mph - N/A   Unknown
4:50 PM 33.8 °F 29.6 °F 30.2 °F 87% 30.39 in 4.3 mi North 4.6 mph - N/A   Unknown
5:20 PM 30.2 °F 26.7 °F 28.4 °F 93% 30.39 in 0.4 mi Variable 3.5 mph - N/A Fog Light Freezing Fog
5:50 PM 29 °F - 28 °F 96% 30.40 in 0 mi North 4.6 mph - - Fog Fog
5:50 PM 28.4 °F 23.3 °F 28.4 °F 100% 30.39 in 0.2 mi North 4.6 mph - N/A Fog Light Freezing Fog
6:20 PM 28.4 °F 23.3 °F 28.4 °F 100% 30.39 in 0.2 mi North 4.6 mph - N/A Fog Light Freezing Fog
6:50 PM 28.4 °F 24.6 °F 28.4 °F 100% 30.39 in 0.2 mi Variable 3.5 mph - N/A Fog Light Freezing Fog
7:20 PM 28.4 °F 24.6 °F 28.4 °F 100% 30.39 in 0.2 mi Variable 3.5 mph - N/A Fog Light Freezing Fog
7:50 PM 28.4 °F - 28.4 °F 100% 30.39 in 0.2 mi North 2.3 mph - N/A Fog Light Freezing Fog
8:20 PM 28.4 °F 24.6 °F 28.4 °F 100% 30.39 in 0.2 mi Variable 3.5 mph - N/A Fog Light Freezing Fog
8:50 PM 27 °F - 26 °F 96% 30.39 in 0 mi NW 2.3 mph - - Fog Fog
8:50 PM 28.4 °F - 28.4 °F 100% 30.39 in 0.2 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
9:20 PM 28.4 °F 24.6 °F 28.4 °F 100% 30.39 in 0.2 mi Variable 3.5 mph - N/A Fog Light Freezing Fog
9:50 PM 28.4 °F 24.6 °F 26.6 °F 93% 30.36 in 0.2 mi Variable 3.5 mph - N/A Fog Light Freezing Fog
10:20 PM 28.4 °F - 26.6 °F 93% 30.36 in 0.2 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
10:50 PM 28.4 °F 24.6 °F 26.6 °F 93% 30.36 in 0.2 mi Variable 3.5 mph - N/A Fog Light Freezing Fog
11:20 PM 28.4 °F 24.6 °F 26.6 °F 93% 30.36 in 0.1 mi Variable 3.5 mph - N/A Fog Light Freezing Fog
11:50 PM 27 °F - 26 °F 95% 30.35 in 0 mi West 1.2 mph - - Fog Fog
11:50 PM 26.6 °F 22.6 °F 26.6 °F 100% 30.33 in 0.2 mi West 3.5 mph - N/A Fog Light Freezing Fog