Weather History for London / Heathrow Airport, United Kingdom

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Friday, August 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 68 °F -  
Max Temperature 76 °F 70 °F - ()
Min Temperature 60 °F 55 °F - ()
Cooling Degree Days 3    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 64    
Maximum Humidity 100    
Minimum Humidity 31    
Precipitation  
Precipitation 0.02 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 9 mph ()    
Max Wind Speed 15 mph    
Max Gust Speed 26 mph    
Visibility 6.3 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Astronomy

Aug. 09, 2013 Rise Set
Actual Time 5:38 AM BST 8:35 PM BST
Civil Twilight 4:59 AM BST 9:14 PM BST
Nautical Twilight 4:08 AM BST 10:04 PM BST
Astronomical Twilight 3:04 AM BST 11:07 PM BST
Moon 8:35 AM BST (8/9) 9:08 PM BST (8/9)
Length of Visible Light 16h 14m
Length of Day
14h 57m
Waxing Crescent, 6% of the Moon is Illuminated
Aug 9
Waxing Crescent
Aug 14
First Quarter
Aug 21
Full
Aug 28
Last Quarter
Sep 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 62.6 °F 55.4 °F 77% 30.12 in - SSW 9.2 mph - N/A   Clear
12:50 AM 63 °F 55 °F 69% 30.12 in 13 mi SSW 11.5 mph - -   Scattered Clouds
12:50 AM 62.6 °F 55.4 °F 77% 30.12 in - SSW 9.2 mph - N/A   Clear
1:20 AM 62.6 °F 57.2 °F 82% 30.09 in 6.2 mi SSW 9.2 mph - N/A Rain Light Rain
1:50 AM 62.6 °F 57.2 °F 82% 30.09 in 6.2 mi SSW 9.2 mph - N/A   Unknown
2:20 AM 62.6 °F 57.2 °F 82% 30.09 in 6.2 mi SSW 9.2 mph - N/A   Mostly Cloudy
2:50 AM 62.6 °F 55.4 °F 77% 30.06 in 6.2 mi SSW 10.4 mph - N/A   Mostly Cloudy
3:20 AM 62.6 °F 55.4 °F 77% 30.06 in 6.2 mi SSW 10.4 mph - N/A   Mostly Cloudy
3:50 AM 62 °F 55 °F 70% 30.07 in 13 mi SSW 9.2 mph - -   Scattered Clouds
3:50 AM 62.6 °F 55.4 °F 77% 30.06 in 6.2 mi SSW 9.2 mph - N/A   Mostly Cloudy
4:20 AM 62.6 °F 55.4 °F 77% 30.06 in 6.2 mi SSW 9.2 mph - N/A   Mostly Cloudy
4:50 AM 62.6 °F 55.4 °F 77% 30.06 in 6.2 mi SSW 6.9 mph - N/A   Scattered Clouds
5:20 AM 62.6 °F 57.2 °F 82% 30.04 in 6.2 mi SSW 8.1 mph - N/A   Scattered Clouds
5:50 AM 60.8 °F 57.2 °F 88% 30.04 in 4.3 mi Variable 6.9 mph - N/A Rain Light Rain
6:20 AM 60.8 °F 59.0 °F 94% 30.04 in 3.7 mi SSW 8.1 mph - N/A Rain Light Rain
6:50 AM 60.8 °F 59.0 °F 94% 30.04 in 5.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
7:20 AM 60.8 °F 60.8 °F 100% 30.04 in 3.7 mi SSW 9.2 mph - N/A   Light Drizzle
7:50 AM 62.6 °F 60.8 °F 94% 30.04 in 5.6 mi SW 9.2 mph - N/A   Mostly Cloudy
8:20 AM 62.6 °F 60.8 °F 94% 30.04 in 6.2 mi SW 9.2 mph - N/A Rain Light Rain Showers
8:50 AM 64.4 °F 60.8 °F 88% 30.04 in 6.2 mi SW 9.2 mph - N/A   Mostly Cloudy
9:20 AM 66.2 °F 62.6 °F 88% 30.04 in 6.2 mi SW 9.2 mph - N/A   Mostly Cloudy
9:50 AM 67 °F 61 °F 74% 30.06 in 25 mi WSW 10.4 mph - -   Partly Cloudy
9:50 AM 66.2 °F 60.8 °F 83% 30.06 in 6.2 mi WSW 11.5 mph - N/A   Mostly Cloudy
10:20 AM 68.0 °F 60.8 °F 78% 30.06 in 6.2 mi West 11.5 mph - N/A   Scattered Clouds
10:50 AM 68.0 °F 60.8 °F 78% 30.06 in 6.2 mi West 10.4 mph - N/A   Scattered Clouds
11:20 AM 69.8 °F 59.0 °F 68% 30.06 in 6.2 mi West 13.8 mph - N/A   Scattered Clouds
11:50 AM 69.8 °F 57.2 °F 64% 30.06 in 6.2 mi WNW 11.5 mph - N/A   Scattered Clouds
12:20 PM 71.6 °F 55.4 °F 57% 30.06 in 6.2 mi WNW 10.4 mph - N/A   Scattered Clouds
12:50 PM 71 °F 54 °F 46% 30.07 in 22 mi NW 10.4 mph - -   Partly Cloudy
12:50 PM 71.6 °F 57.2 °F 60% 30.06 in 6.2 mi WNW 10.4 mph - N/A   Scattered Clouds
1:20 PM 73.4 °F 53.6 °F 50% 30.06 in 6.2 mi WNW 10.4 mph - N/A   Partly Cloudy
1:50 PM 73.4 °F 53.6 °F 50% 30.06 in 6.2 mi NW 10.4 mph - N/A   Scattered Clouds
2:20 PM 75.2 °F 51.8 °F 44% 30.06 in 6.2 mi West 15.0 mph - N/A   Partly Cloudy
2:50 PM 75.2 °F 48.2 °F 38% 30.06 in - West 15.0 mph 26.5 mph N/A   Clear
3:20 PM 75.2 °F 48.2 °F 38% 30.09 in - WNW 15.0 mph - N/A   Clear
3:50 PM 74 °F 49 °F 31% 30.09 in 37 mi NW 11.5 mph - -   Scattered Clouds
3:50 PM 73.4 °F 48.2 °F 41% 30.09 in - WNW 12.7 mph - N/A   Clear
4:20 PM 73.4 °F 48.2 °F 41% 30.09 in - WNW 15.0 mph - N/A   Clear
4:50 PM 73.4 °F 46.4 °F 38% 30.09 in - WNW 12.7 mph - N/A   Clear
5:20 PM 73.4 °F 48.2 °F 41% 30.09 in - WNW 11.5 mph - N/A   Clear
5:50 PM 73.4 °F 46.4 °F 38% 30.09 in - WNW 9.2 mph - N/A   Clear
6:20 PM 73.4 °F 46.4 °F 38% 30.09 in - NW 12.7 mph - N/A   Clear
6:50 PM 71 °F 47 °F 32% 30.12 in 22 mi WNW 10.4 mph - -   Mostly Cloudy
6:50 PM 71.6 °F 46.4 °F 41% 30.12 in 6.2 mi NW 8.1 mph - N/A   Unknown
7:20 PM 69.8 °F 50.0 °F 49% 30.12 in 6.2 mi NW 9.2 mph - N/A   Unknown
7:50 PM 69.8 °F 50.0 °F 49% 30.12 in 6.2 mi NNW 8.1 mph - N/A   Unknown
8:20 PM 68.0 °F 50.0 °F 52% 30.12 in 6.2 mi NW 8.1 mph - N/A   Unknown
8:50 PM 66.2 °F 50.0 °F 56% 30.15 in 6.2 mi NW 6.9 mph - N/A   Unknown
9:20 PM 66.2 °F 50.0 °F 56% 30.15 in 6.2 mi NW 5.8 mph - N/A   Unknown
9:50 PM 64 °F 50 °F 49% 30.18 in 22 mi NW 5.8 mph - -   Scattered Clouds
9:50 PM 66.2 °F 50.0 °F 56% 30.18 in - NW 5.8 mph - N/A   Clear
10:20 PM 66.2 °F 48.2 °F 52% 30.18 in - NW 9.2 mph - N/A   Clear
10:50 PM 64.4 °F 48.2 °F 56% 30.18 in - WNW 8.1 mph - N/A   Clear
11:20 PM 64.4 °F 46.4 °F 52% 30.18 in - WNW 6.9 mph - N/A   Clear
11:50 PM 62.6 °F 46.4 °F 55% 30.18 in - WNW 5.8 mph - N/A   Clear