Weather History for London / Heathrow Airport, United Kingdom

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Monday, September 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 52 °F -  
Max Temperature 56 °F 64 °F - ()
Min Temperature 48 °F 50 °F - ()
Degree Days  
Heating Degree Days 13    
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 90    
Maximum Humidity 94    
Minimum Humidity 79    
Precipitation  
Precipitation 0.12 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 5 mph ()    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 6.6 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Astronomy

Sep. 09, 2013 Rise Set
Actual Time 6:27 AM BST 7:29 PM BST
Civil Twilight 5:53 AM BST 8:03 PM BST
Nautical Twilight 5:11 AM BST 8:44 PM BST
Astronomical Twilight 4:27 AM BST 9:28 PM BST
Moon 11:07 AM BST (9/9) 8:59 PM BST (9/9)
Length of Visible Light 14h 10m
Length of Day
13h 02m
Waxing Crescent, 17% of the Moon is Illuminated
Sep 9
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 27
Last Quarter
Oct 5
New

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 48.2 °F 88% 30.06 in - WSW 6.9 mph - N/A   Clear
12:50 AM 50 °F 47 °F 87% 30.07 in 28 mi SW 4.6 mph - -  
12:50 AM 50.0 °F 48.2 °F 94% 30.06 in - SSW 3.5 mph - N/A   Clear
1:20 AM 48.2 °F 44.6 °F 87% 30.06 in 6.2 mi South 4.6 mph - N/A   Unknown
1:50 AM 48.2 °F 46.4 °F 93% 30.06 in 6.2 mi South 4.6 mph - N/A   Unknown
2:20 AM 48.2 °F 46.4 °F 93% 30.04 in 6.2 mi SSW 3.5 mph - N/A   Unknown
2:50 AM 48.2 °F 46.4 °F 93% 30.04 in - SSW 4.6 mph - N/A   Clear
3:20 AM 48.2 °F 46.4 °F 93% 30.04 in - South 4.6 mph - N/A   Clear
3:50 AM 50.0 °F 46.4 °F 87% 30.04 in - Variable 2.3 mph - N/A   Clear
4:20 AM 48.2 °F 46.4 °F 93% 30.04 in 6.2 mi Variable 2.3 mph - N/A   Scattered Clouds
4:50 AM 50.0 °F 46.4 °F 87% 30.04 in 6.2 mi Variable 3.5 mph - N/A Rain Light Rain
5:20 AM 50.0 °F 48.2 °F 94% 30.04 in 6.2 mi Variable 3.5 mph - N/A   Partly Cloudy
5:50 AM 50.0 °F 48.2 °F 94% 30.04 in 6.2 mi Variable 2.3 mph - N/A   Partly Cloudy
6:20 AM 50.0 °F 48.2 °F 94% 30.01 in 6.2 mi SSE 4.6 mph - N/A   Partly Cloudy
6:50 AM 51 °F 48 °F 86% 30.02 in 17 mi NE 4.6 mph - - Rain Light Rain Showers
6:50 AM 50.0 °F 48.2 °F 94% 30.01 in 6.2 mi Variable 3.5 mph - N/A   Partly Cloudy
7:20 AM 50.0 °F 48.2 °F 94% 30.01 in 6.2 mi SE 4.6 mph - N/A   Partly Cloudy
7:50 AM 51.8 °F 48.2 °F 88% 30.01 in 6.2 mi SE 4.6 mph - N/A   Partly Cloudy
8:20 AM 51.8 °F 50.0 °F 94% 30.01 in 6.2 mi SE 6.9 mph - N/A   Partly Cloudy
8:50 AM 53.6 °F 50.0 °F 88% 30.01 in 6.2 mi East 6.9 mph - N/A   Partly Cloudy
9:20 AM 53.6 °F 50.0 °F 88% 30.01 in 6.2 mi ESE 5.8 mph - N/A Rain Light Rain
9:50 AM 55 °F 50 °F 79% 30.01 in 19 mi East 4.6 mph - - Rain Rain
9:50 AM 55.4 °F 51.8 °F 88% 30.01 in 6.2 mi ESE 4.6 mph - N/A   Scattered Clouds
10:20 AM 55.4 °F 51.8 °F 88% 30.01 in 3.7 mi ESE 4.6 mph - N/A   Mostly Cloudy
10:50 AM 55.4 °F 53.6 °F 94% 30.01 in 3.7 mi SE 5.8 mph - N/A   Light Drizzle
11:20 AM 55.4 °F 53.6 °F 94% 29.98 in 3.1 mi ESE 6.9 mph - N/A Rain Light Rain
11:50 AM 55.4 °F 53.6 °F 94% 29.98 in 3.1 mi ENE 5.8 mph - N/A Rain Light Rain
12:20 PM 57.2 °F 53.6 °F 88% 29.98 in - ENE 6.9 mph - N/A Rain Light Rain
12:50 PM 55 °F 53 °F 91% 29.99 in 3 mi NNE 5.8 mph - - Rain Drizzle
12:50 PM 57.2 °F 53.6 °F 88% 29.98 in 3.1 mi NE 6.9 mph - N/A Rain Light Rain
1:20 PM 55.4 °F 53.6 °F 94% 29.98 in 2.2 mi NNE 6.9 mph - N/A Rain Drizzle
1:50 PM 55.4 °F 53.6 °F 94% 29.98 in 4.3 mi ENE 8.1 mph - N/A Rain Rain
2:20 PM 55.4 °F 53.6 °F 94% 29.98 in 4.3 mi ENE 9.2 mph - N/A Rain Light Rain
2:50 PM 55.4 °F 53.6 °F 94% 29.98 in 5.6 mi East 9.2 mph - N/A Rain Light Rain
3:20 PM 55.4 °F 53.6 °F 94% 29.98 in 6.2 mi East 8.1 mph - N/A   Mostly Cloudy
3:50 PM 56 °F 53 °F 88% 29.98 in 12 mi East 5.8 mph - - Rain Rain
3:50 PM 55.4 °F 53.6 °F 94% 29.98 in 6.2 mi East 8.1 mph - N/A Rain Light Drizzle
4:20 PM 55.4 °F 51.8 °F 88% 29.98 in 6.2 mi ENE 5.8 mph - N/A   Mostly Cloudy
4:50 PM 55.4 °F 51.8 °F 88% 29.98 in 6.2 mi ENE 4.6 mph - N/A   Mostly Cloudy
5:20 PM 55.4 °F 51.8 °F 88% 30.01 in 6.2 mi NE 5.8 mph - N/A   Mostly Cloudy
5:50 PM 55.4 °F 51.8 °F 88% 30.01 in 6.2 mi Variable 3.5 mph - N/A   Mostly Cloudy
6:20 PM 55.4 °F 51.8 °F 88% 30.01 in 6.2 mi Variable 3.5 mph - N/A   Scattered Clouds
6:50 PM 56 °F 52 °F 82% 30.02 in 18 mi NW 4.6 mph - -   Scattered Clouds
6:50 PM 55.4 °F 51.8 °F 88% 30.01 in 6.2 mi NW 4.6 mph - N/A   Scattered Clouds
7:20 PM 55.4 °F 51.8 °F 88% 30.01 in 6.2 mi NW 3.5 mph - N/A   Partly Cloudy
7:50 PM 55.4 °F 51.8 °F 88% 30.04 in 6.2 mi Variable 3.5 mph - N/A Rain Rain Showers
8:20 PM 53.6 °F 50.0 °F 88% 30.04 in 6.2 mi WNW 5.8 mph - N/A Rain Light Rain Showers
8:50 PM 53.6 °F 50.0 °F 88% 30.04 in 6.2 mi Variable 3.5 mph - N/A   Partly Cloudy
9:20 PM 53.6 °F 50.0 °F 88% 30.04 in - WNW 5.8 mph - N/A   Clear
9:50 PM 53 °F 51 °F 92% 30.05 in 7 mi West 6.9 mph - -   Scattered Clouds
9:50 PM 53.6 °F 51.8 °F 94% 30.04 in - West 8.1 mph - N/A   Clear
10:20 PM 55.4 °F 50.0 °F 82% 30.04 in - WNW 8.1 mph - N/A   Clear
10:50 PM 53.6 °F 50.0 °F 88% 30.04 in - West 6.9 mph - N/A   Clear
11:20 PM 53.6 °F 50.0 °F 88% 30.06 in - WNW 8.1 mph - N/A   Clear
11:50 PM 51.8 °F 50.0 °F 94% 30.06 in - West 8.1 mph - N/A   Clear