London, United Kingdom

10:20 PM BST on July 26, 2017 (GMT +0100)
Heathrow

Weather History for EGLL - December, 2011

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Friday, December 23, 2011

  Actual Average Record
Temperature  
Mean Temperature 46 °F -  
Max Temperature 52 °F 45 °F 55 °F (1997)
Min Temperature 39 °F 35 °F 26 °F (2001)
Degree Days  
Heating Degree Days 18    
Moisture  
Dew Point 43 °F    
Average Humidity 82    
Maximum Humidity 94    
Minimum Humidity 68    
Precipitation  
Precipitation 0.16 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 12 mph ()    
Max Wind Speed 17 mph    
Max Gust Speed 32 mph    
Visibility 7.4 miles    
Events Rain    
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. 23, 2011 Rise Set
Actual Time 8:05 AM GMT 3:55 PM GMT
Civil Twilight 7:25 AM GMT 4:36 PM GMT
Nautical Twilight 6:42 AM GMT 5:19 PM GMT
Astronomical Twilight 6:01 AM GMT 6:00 PM GMT
Moon 6:40 AM GMT (12/23) 2:47 PM GMT (12/23)
Length of Visible Light 9h 10m
Length of Day
7h 50m
Waning Crescent, 2% of the Moon is Illuminated
Dec 23
Waning Crescent
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
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 51.8 °F - 48.2 °F 88% 30.21 in 6.2 mi SW 10.4 mph - N/A   Mostly Cloudy
12:50 AM 51.8 °F - 48.2 °F 88% 30.21 in 6.2 mi SW 9.2 mph - N/A   Mostly Cloudy
1:20 AM 51.8 °F - 46.4 °F 82% 30.21 in 6.2 mi SW 10.4 mph - N/A   Overcast
1:50 AM 51.8 °F - 46.4 °F 82% 30.21 in 6.2 mi SW 11.5 mph - N/A   Overcast
2:20 AM 51.8 °F - 46.4 °F 82% 30.18 in 6.2 mi WSW 12.7 mph - N/A   Overcast
2:50 AM 52 °F - 46 °F 74% 30.19 in 17 mi SW 13.8 mph - -   Overcast
2:50 AM 51.8 °F - 46.4 °F 82% 30.18 in 6.2 mi WSW 12.7 mph - N/A   Mostly Cloudy
3:20 AM 51.8 °F - 44.6 °F 76% 30.18 in 6.2 mi WSW 13.8 mph - N/A   Mostly Cloudy
3:50 AM 51.8 °F - 44.6 °F 76% 30.15 in 6.2 mi SW 12.7 mph - N/A   Mostly Cloudy
4:20 AM 51.8 °F - 44.6 °F 76% 30.15 in 6.2 mi SW 15.0 mph - N/A   Mostly Cloudy
4:50 AM 51.8 °F - 44.6 °F 76% 30.15 in 6.2 mi SW 15.0 mph - N/A   Mostly Cloudy
5:20 AM 51.8 °F - 44.6 °F 76% 30.12 in 6.2 mi SW 13.8 mph - N/A   Mostly Cloudy
5:50 AM 52 °F - 46 °F 72% 30.12 in 19 mi SW 15.0 mph - -  
5:50 AM 51.8 °F - 44.6 °F 76% 30.12 in 6.2 mi SW 16.1 mph - N/A   Mostly Cloudy
6:20 AM 51.8 °F - 46.4 °F 82% 30.09 in 6.2 mi SW 15.0 mph - N/A   Mostly Cloudy
6:50 AM 51.8 °F - 44.6 °F 76% 30.09 in 6.2 mi SW 12.7 mph - N/A   Scattered Clouds
7:20 AM 51.8 °F - 46.4 °F 82% 30.09 in 6.2 mi SW 13.8 mph - N/A   Scattered Clouds
7:50 AM 51.8 °F - 44.6 °F 76% 30.06 in 6.2 mi SW 10.4 mph - N/A   Mostly Cloudy
8:20 AM 51.8 °F - 44.6 °F 76% 30.06 in 6.2 mi SSW 10.4 mph - N/A   Mostly Cloudy
8:50 AM 52 °F - 46 °F 74% 30.06 in 16 mi SSW 13.8 mph - -   Scattered Clouds
8:50 AM 51.8 °F - 46.4 °F 82% 30.06 in 6.2 mi SW 11.5 mph - N/A   Mostly Cloudy
9:20 AM 51.8 °F - 46.4 °F 82% 30.04 in 6.2 mi SW 12.7 mph - N/A   Mostly Cloudy
9:50 AM 51.8 °F - 46.4 °F 82% 30.04 in 6.2 mi SW 15.0 mph - N/A   Scattered Clouds
10:20 AM 51.8 °F - 46.4 °F 82% 30.04 in 6.2 mi SSW 13.8 mph - N/A   Mostly Cloudy
10:50 AM 53.6 °F - 46.4 °F 77% 30.01 in 6.2 mi SW 15.0 mph - N/A   Mostly Cloudy
11:20 AM 51.8 °F - 46.4 °F 82% 30.01 in 6.2 mi SW 15.0 mph - N/A   Mostly Cloudy
11:50 AM 52 °F - 48 °F 82% 29.98 in 7 mi SSW 17.3 mph - - Rain Light Rain Showers
11:50 AM 51.8 °F - 48.2 °F 88% 29.98 in 6.2 mi SW 15.0 mph - N/A   Mostly Cloudy
12:20 PM 51.8 °F - 48.2 °F 88% 29.95 in 6.2 mi SW 15.0 mph - N/A Rain Light Rain
12:50 PM 51.8 °F - 48.2 °F 88% 29.92 in 6.2 mi SSW 13.8 mph - N/A Rain Light Rain
1:20 PM 51.8 °F - 48.2 °F 88% 29.92 in 6.2 mi SW 12.7 mph - N/A   Mostly Cloudy
1:50 PM 51.8 °F - 48.2 °F 88% 29.89 in 6.2 mi SW 16.1 mph - N/A   Mostly Cloudy
2:20 PM 51.8 °F - 48.2 °F 88% 29.86 in 6.2 mi SSW 15.0 mph - N/A   Mostly Cloudy
2:50 PM 52 °F - 49 °F 85% 29.84 in 17 mi SSW 16.1 mph - - Rain Light Rain Showers
2:50 PM 51.8 °F - 48.2 °F 88% 29.83 in 6.2 mi SSW 12.7 mph - N/A   Mostly Cloudy
3:20 PM 50.0 °F - 48.2 °F 94% 29.80 in 6.2 mi SSW 12.7 mph - N/A Rain Rain
3:50 PM 50.0 °F - 48.2 °F 94% 29.80 in 5.0 mi South 13.8 mph - N/A Rain Light Rain
4:20 PM 44.6 °F 37.2 °F 41.0 °F 87% 29.86 in 3.7 mi NW 17.3 mph 29.9 mph N/A Rain Light Rain
4:50 PM 42.8 °F 34.8 °F 39.2 °F 87% 29.89 in 6.2 mi NW 17.3 mph 32.2 mph N/A Rain Light Rain
5:20 PM 42.8 °F 36.6 °F 39.2 °F 87% 29.92 in 6.2 mi NW 11.5 mph - N/A Rain Light Rain
5:50 PM 42 °F - 39 °F 85% 29.96 in 17 mi NW 13.8 mph - - Rain Rain
5:50 PM 42.8 °F 35.8 °F 39.2 °F 87% 29.95 in 6.2 mi NW 13.8 mph - N/A Rain Light Rain
6:20 PM 42.8 °F 36.6 °F 39.2 °F 87% 29.98 in 6.2 mi NW 11.5 mph - N/A Rain Light Rain
6:50 PM 42.8 °F 36.2 °F 39.2 °F 87% 30.01 in 6.2 mi WNW 12.7 mph - N/A Rain Light Rain
7:20 PM 42.8 °F 35.4 °F 39.2 °F 87% 30.01 in 6.2 mi WNW 15.0 mph - N/A Rain Light Rain
7:50 PM 42.8 °F 35.4 °F 39.2 °F 87% 30.04 in 6.2 mi WNW 15.0 mph - N/A   Mostly Cloudy
8:20 PM 42.8 °F 35.1 °F 37.4 °F 81% 30.06 in 6.2 mi WNW 16.1 mph - N/A   Scattered Clouds
8:50 PM 43 °F - 36 °F 68% 30.09 in 18 mi WNW 17.3 mph - -   Mostly Cloudy
8:50 PM 42.8 °F 35.1 °F 35.6 °F 76% 30.09 in 6.2 mi WNW 16.1 mph - N/A   Partly Cloudy
9:20 PM 42.8 °F 35.8 °F 35.6 °F 76% 30.09 in 6.2 mi WNW 13.8 mph - N/A   Partly Cloudy
9:50 PM 41.0 °F 33.9 °F 33.8 °F 76% 30.12 in 6.2 mi WNW 12.7 mph - N/A   Partly Cloudy
10:20 PM 41.0 °F 34.3 °F 33.8 °F 76% 30.15 in - WNW 11.5 mph - N/A   Clear
10:50 PM 41.0 °F 33.9 °F 33.8 °F 76% 30.15 in 6.2 mi WNW 12.7 mph - N/A   Partly Cloudy
11:20 PM 41.0 °F 33.9 °F 33.8 °F 76% 30.18 in 6.2 mi WNW 12.7 mph - N/A   Partly Cloudy
11:50 PM 39.2 °F 32.5 °F 33.8 °F 81% 30.21 in 6.2 mi WNW 10.4 mph - N/A   Partly Cloudy