London, United Kingdom

9:58 PM BST on September 19, 2017 (GMT +0100)
Heathrow

Weather History for EGLL - December, 2012

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Tuesday, December 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 39 °F -  
Max Temperature 46 °F 45 °F 59 °F (2006)
Min Temperature 32 °F 36 °F 30 °F (1998)
Degree Days  
Heating Degree Days 26    
Moisture  
Dew Point 34 °F    
Average Humidity 82    
Maximum Humidity 93    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.63 in    
Wind  
Wind Speed 9 mph ()    
Max Wind Speed 18 mph    
Max Gust Speed -    
Visibility 9.2 miles    
Events      
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. 04, 2012 Rise Set
Actual Time 7:49 AM GMT 3:54 PM GMT
Civil Twilight 7:10 AM GMT 4:33 PM GMT
Nautical Twilight 6:27 AM GMT 5:16 PM GMT
Astronomical Twilight 5:47 AM GMT 5:56 PM GMT
Moon 9:52 PM GMT (12/4) 11:13 AM GMT (12/4)
Length of Visible Light 9h 23m
Length of Day
8h 05m
Waning Gibbous, 71% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 20
First Quarter
Dec 28
Full

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 39.2 °F 33.0 °F 33.8 °F 81% 29.65 in - West 9.2 mph - N/A   Clear
12:50 AM 37.4 °F 30.8 °F 33.8 °F 87% 29.65 in - West 9.2 mph - N/A   Clear
1:20 AM 37.4 °F 31.4 °F 33.8 °F 87% 29.62 in 6.2 mi West 8.1 mph - N/A   Unknown
1:50 AM 37.4 °F 32.1 °F 33.8 °F 87% 29.62 in 6.2 mi West 6.9 mph - N/A   Unknown
2:20 AM 35.6 °F 28.6 °F 33.8 °F 93% 29.62 in 6.2 mi West 9.2 mph - N/A   Unknown
2:50 AM 36 °F - 34 °F 88% 29.64 in 14 mi West 10.4 mph - -   Partly Cloudy
2:50 AM 35.6 °F 28.6 °F 33.8 °F 93% 29.62 in - West 9.2 mph - N/A   Clear
3:20 AM 35.6 °F 29.2 °F 33.8 °F 93% 29.62 in - West 8.1 mph - N/A   Clear
3:50 AM 33.8 °F 27.7 °F 32.0 °F 93% 29.62 in - West 6.9 mph - N/A   Clear
4:20 AM 37.4 °F 30.3 °F 33.8 °F 87% 29.62 in - West 10.4 mph - N/A   Clear
4:50 AM 37.4 °F 30.3 °F 33.8 °F 87% 29.62 in - West 10.4 mph - N/A   Clear
5:20 AM 35.6 °F 28.6 °F 33.8 °F 93% 29.62 in - West 9.2 mph - N/A   Clear
5:50 AM 35 °F - 34 °F 92% 29.63 in 22 mi WSW 11.5 mph - -  
5:50 AM 37.4 °F 29.8 °F 33.8 °F 87% 29.62 in - West 11.5 mph - N/A   Clear
6:20 AM 37.4 °F 29.3 °F 33.8 °F 87% 29.62 in - West 12.7 mph - N/A   Clear
6:50 AM 37.4 °F 29.8 °F 33.8 °F 87% 29.62 in - West 11.5 mph - N/A   Clear
7:20 AM 37.4 °F 30.3 °F 33.8 °F 87% 29.62 in - West 10.4 mph - N/A   Clear
7:50 AM 37.4 °F 30.8 °F 33.8 °F 87% 29.62 in - West 9.2 mph - N/A   Clear
8:20 AM 39.2 °F 33.0 °F 35.6 °F 87% 29.65 in - WNW 9.2 mph - N/A   Clear
8:50 AM 39.2 °F 31.2 °F 35.6 °F 87% 29.65 in - West 13.8 mph - N/A   Clear
9:20 AM 41.0 °F 33.5 °F 35.6 °F 81% 29.65 in - West 13.8 mph - N/A   Clear
9:50 AM 41.0 °F 33.5 °F 35.6 °F 81% 29.65 in - West 13.8 mph - N/A   Clear
10:20 AM 42.8 °F 35.4 °F 37.4 °F 81% 29.65 in - West 15.0 mph - N/A   Clear
10:50 AM 44.6 °F 37.2 °F 37.4 °F 76% 29.65 in - WNW 17.3 mph - N/A   Clear
11:20 AM 44.6 °F 37.8 °F 37.4 °F 76% 29.65 in - WNW 15.0 mph - N/A   Clear
11:50 AM 46 °F - 36 °F 59% 29.65 in 18 mi West 13.8 mph - -  
11:50 AM 44.6 °F 37.4 °F 35.6 °F 71% 29.65 in - WNW 16.1 mph - N/A   Clear
12:20 PM 46.4 °F 40.4 °F 37.4 °F 71% 29.65 in 6.2 mi WNW 13.8 mph - N/A   Partly Cloudy
12:50 PM 46.4 °F 39.2 °F 37.4 °F 71% 29.65 in 6.2 mi West 18.4 mph - N/A   Partly Cloudy
1:20 PM 46.4 °F 40.7 °F 35.6 °F 66% 29.62 in 6.2 mi WNW 12.7 mph - N/A   Partly Cloudy
1:50 PM 44.6 °F 37.8 °F 35.6 °F 71% 29.62 in 6.2 mi West 15.0 mph - N/A   Partly Cloudy
2:20 PM 46.4 °F 40.4 °F 35.6 °F 66% 29.62 in 6.2 mi WNW 13.8 mph - N/A   Scattered Clouds
2:50 PM 46 °F - 35 °F 53% 29.65 in 16 mi WNW 11.5 mph - -   Partly Cloudy
2:50 PM 44.6 °F 38.1 °F 35.6 °F 71% 29.62 in 6.2 mi WNW 13.8 mph - N/A   Partly Cloudy
3:20 PM 44.6 °F 38.8 °F 35.6 °F 71% 29.62 in 6.2 mi WNW 11.5 mph - N/A   Partly Cloudy
3:50 PM 42.8 °F 37.0 °F 33.8 °F 70% 29.62 in 6.2 mi West 10.4 mph - N/A   Partly Cloudy
4:20 PM 39.2 °F 33.0 °F 33.8 °F 81% 29.62 in - West 9.2 mph - N/A   Clear
4:50 PM 39.2 °F 32.0 °F 33.8 °F 81% 29.62 in - West 11.5 mph - N/A   Clear
5:20 PM 41.0 °F 33.9 °F 33.8 °F 76% 29.65 in - West 12.7 mph - N/A   Clear
5:50 PM 40 °F - 34 °F 71% 29.64 in 16 mi West 10.4 mph - -  
5:50 PM 39.2 °F 32.0 °F 33.8 °F 81% 29.62 in - West 11.5 mph - N/A   Clear
6:20 PM 39.2 °F 32.5 °F 33.8 °F 81% 29.62 in - West 10.4 mph - N/A   Clear
6:50 PM 37.4 °F 30.8 °F 33.8 °F 87% 29.62 in - West 9.2 mph - N/A   Clear
7:20 PM 37.4 °F 30.3 °F 33.8 °F 87% 29.62 in - West 10.4 mph - N/A   Clear
7:50 PM 35.6 °F 28.0 °F 32.0 °F 87% 29.62 in - West 10.4 mph - N/A   Clear
8:20 PM 35.6 °F 28.0 °F 32.0 °F 87% 29.62 in - West 10.4 mph - N/A   Clear
8:50 PM 36 °F - 33 °F 82% 29.64 in 14 mi West 8.1 mph - -  
8:50 PM 35.6 °F 29.2 °F 32.0 °F 87% 29.62 in - WNW 8.1 mph - N/A   Clear
9:20 PM 35.6 °F 29.9 °F 32.0 °F 87% 29.62 in - West 6.9 mph - N/A   Clear
9:50 PM 37.4 °F 32.8 °F 32.0 °F 81% 29.62 in - West 5.8 mph - N/A   Clear
10:20 PM 33.8 °F 28.6 °F 30.2 °F 87% 29.62 in - WSW 5.8 mph - N/A   Clear
10:50 PM 32.0 °F 27.5 °F 30.2 °F 93% 29.62 in - South 4.6 mph - N/A   Clear
11:20 PM 33.8 °F - 32.0 °F 93% 29.62 in - Calm Calm - N/A   Clear
11:50 PM 32 °F - 29 °F 86% 29.63 in 11 mi SW 4.6 mph - -  
11:50 PM 32.0 °F 28.7 °F 30.2 °F 93% 29.62 in - WSW 3.5 mph - N/A   Clear