London, United Kingdom

11:40 AM GMT on December 05, 2016 (GMT +0000)
Heathrow

Weather History for EGLL - September, 2012

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Tuesday, September 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 62 °F 59 °F 73 °F (1998)
Min Temperature 49 °F 47 °F 41 °F (2010)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 75    
Maximum Humidity 88    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.19 in    
Wind  
Wind Speed 11 mph ()    
Max Wind Speed 22 mph    
Max Gust Speed 33 mph    
Visibility 8.5 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

Sep. 25, 2012 Rise Set
Actual Time 6:53 AM BST 6:52 PM BST
Civil Twilight 6:19 AM BST 7:25 PM BST
Nautical Twilight 5:40 AM BST 8:04 PM BST
Astronomical Twilight 5:00 AM BST 8:45 PM BST
Moon 4:33 PM BST (9/25) 1:28 AM BST (9/25)
Length of Visible Light 13h 05m
Length of Day
11h 59m
Waxing Gibbous, 78% of the Moon is Illuminated
Sep 25
Waxing Gibbous
Sep 30
Full
Oct 8
Last Quarter
Oct 15
New
Oct 22
First Quarter

Hourly Weather History & Observations

Time (BST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 51.8 °F 44.6 °F 76% 29.21 in - SW 15.0 mph - N/A   Clear
12:50 AM 51 °F 45 °F 74% 29.21 in 19 mi SW 12.7 mph - -  
12:50 AM 50.0 °F 44.6 °F 82% 29.21 in - SW 11.5 mph - N/A   Clear
1:20 AM 50.0 °F 46.4 °F 87% 29.21 in 6.2 mi SSW 9.2 mph - N/A   Unknown
1:50 AM 50.0 °F 46.4 °F 87% 29.21 in 6.2 mi SSW 9.2 mph - N/A   Unknown
2:20 AM 50.0 °F 44.6 °F 82% 29.21 in 6.2 mi SW 12.7 mph - N/A   Unknown
2:50 AM 50.0 °F 44.6 °F 82% 29.21 in - SW 10.4 mph - N/A   Clear
3:20 AM 50.0 °F 44.6 °F 82% 29.21 in - SW 10.4 mph - N/A   Clear
3:50 AM 50 °F 45 °F 78% 29.20 in 19 mi SSW 10.4 mph - -  
4:20 AM 50.0 °F 44.6 °F 82% 29.18 in - SSW 8.1 mph - N/A   Clear
4:50 AM 50.0 °F 44.6 °F 82% 29.18 in - SSW 9.2 mph - N/A   Clear
5:20 AM 50.0 °F 44.6 °F 82% 29.18 in - SSW 9.2 mph - N/A   Clear
5:50 AM 50.0 °F 44.6 °F 82% 29.18 in - SSW 9.2 mph - N/A   Clear
6:20 AM 48.2 °F 44.6 °F 87% 29.18 in - SSW 9.2 mph - N/A   Clear
6:50 AM 50 °F 45 °F 78% 29.18 in 14 mi South 11.5 mph - -  
6:50 AM 50.0 °F 44.6 °F 82% 29.18 in - SSW 9.2 mph - N/A   Clear
7:20 AM 50.0 °F 44.6 °F 82% 29.18 in - SSW 9.2 mph - N/A   Clear
7:50 AM 50.0 °F 46.4 °F 87% 29.18 in - SSW 10.4 mph - N/A   Clear
8:20 AM 51.8 °F 46.4 °F 82% 29.18 in - SSW 11.5 mph - N/A   Clear
8:50 AM 53.6 °F 46.4 °F 77% 29.18 in - SSW 11.5 mph - N/A   Clear
9:20 AM 55.4 °F 46.4 °F 72% 29.18 in - SW 12.7 mph - N/A   Clear
9:50 AM 56 °F 45 °F 57% 29.19 in 19 mi SSW 18.4 mph - -  
9:50 AM 57.2 °F 46.4 °F 67% 29.18 in 6.2 mi SW 13.8 mph - N/A   Partly Cloudy
10:20 AM 59.0 °F 46.4 °F 63% 29.18 in 6.2 mi SSW 15.0 mph - N/A   Scattered Clouds
10:50 AM 59.0 °F 46.4 °F 63% 29.18 in 6.2 mi SW 15.0 mph - N/A   Scattered Clouds
11:20 AM 59.0 °F 46.4 °F 63% 29.18 in 6.2 mi SW 16.1 mph 28.8 mph N/A   Scattered Clouds
11:50 AM 60.8 °F 46.4 °F 59% 29.18 in 6.2 mi SW 18.4 mph - N/A   Scattered Clouds
12:20 PM 60.8 °F 46.4 °F 59% 29.18 in 6.2 mi SSW 17.3 mph - N/A   Scattered Clouds
12:50 PM 62 °F 47 °F 47% 29.19 in 19 mi SW 19.6 mph - -   Partly Cloudy
12:50 PM 60.8 °F 46.4 °F 59% 29.18 in 6.2 mi SW 19.6 mph - N/A   Mostly Cloudy
1:20 PM 59.0 °F 46.4 °F 63% 29.18 in 6.2 mi SW 16.1 mph - N/A   Mostly Cloudy
1:50 PM 59.0 °F 46.4 °F 63% 29.18 in 6.2 mi SW 21.9 mph 33.4 mph N/A   Scattered Clouds
2:20 PM 59.0 °F 46.4 °F 63% 29.18 in 6.2 mi SSW 13.8 mph - N/A   Scattered Clouds
2:50 PM 55.4 °F 50.0 °F 82% 29.21 in 6.2 mi WSW 19.6 mph - N/A Rain Light Rain Showers
3:20 PM 57.2 °F 50.0 °F 77% 29.18 in 6.2 mi SSW 11.5 mph - N/A   Scattered Clouds
3:50 PM 59 °F 50 °F 65% 29.19 in 19 mi SSW 13.8 mph - - Rain Rain
3:50 PM 59.0 °F 50.0 °F 72% 29.18 in 6.2 mi SW 11.5 mph - N/A   Scattered Clouds
4:20 PM 59.0 °F 48.2 °F 67% 29.18 in 6.2 mi SW 12.7 mph - N/A   Scattered Clouds
4:50 PM 59.0 °F 48.2 °F 67% 29.18 in 6.2 mi SSW 15.0 mph - N/A   Partly Cloudy
5:20 PM 59.0 °F 48.2 °F 67% 29.18 in 6.2 mi South 13.8 mph - N/A   Scattered Clouds
5:50 PM 59.0 °F 48.2 °F 67% 29.18 in 6.2 mi SSW 13.8 mph - N/A   Scattered Clouds
6:20 PM 57.2 °F 48.2 °F 72% 29.18 in 6.2 mi SSW 13.8 mph - N/A   Partly Cloudy
6:50 PM 57 °F 47 °F 61% 29.20 in 17 mi South 8.1 mph - - Rain Rain
6:50 PM 55.4 °F 48.2 °F 77% 29.21 in 6.2 mi South 9.2 mph - N/A   Partly Cloudy
7:20 PM 55.4 °F 48.2 °F 77% 29.21 in 6.2 mi South 9.2 mph - N/A   Partly Cloudy
7:50 PM 53.6 °F 48.2 °F 82% 29.21 in 6.2 mi South 9.2 mph - N/A   Partly Cloudy
8:20 PM 53.6 °F 48.2 °F 82% 29.21 in 6.2 mi South 9.2 mph - N/A   Partly Cloudy
8:50 PM 53.6 °F 46.4 °F 77% 29.21 in 6.2 mi South 9.2 mph - N/A   Partly Cloudy
9:20 PM 51.8 °F 46.4 °F 82% 29.21 in 6.2 mi South 8.1 mph - N/A   Partly Cloudy
9:50 PM 53 °F 48 °F 76% 29.20 in 14 mi SSE 8.1 mph - -   Partly Cloudy
9:50 PM 51.8 °F 48.2 °F 88% 29.18 in - South 10.4 mph - N/A   Clear
10:20 PM 51.8 °F 48.2 °F 88% 29.18 in 6.2 mi South 9.2 mph - N/A   Partly Cloudy
10:50 PM 51.8 °F 48.2 °F 88% 29.18 in 6.2 mi South 8.1 mph - N/A   Partly Cloudy
11:20 PM 51.8 °F 48.2 °F 88% 29.21 in 6.2 mi SSE 6.9 mph - N/A   Partly Cloudy
11:50 PM 51.8 °F 48.2 °F 88% 29.21 in 6.2 mi SSE 5.8 mph - N/A   Partly Cloudy