Weather History for London / Heathrow Airport, United Kingdom

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Thursday, September 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F -  
Max Temperature 85 °F 65 °F - ()
Min Temperature 57 °F 51 °F - ()
Cooling Degree Days 6    
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 62    
Maximum Humidity 94    
Minimum Humidity 25    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 4 mph ()    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 4.7 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Astronomy

Sep. 05, 2013 Rise Set
Actual Time 6:20 AM BST 7:38 PM BST
Civil Twilight 5:46 AM BST 8:13 PM BST
Nautical Twilight 5:04 AM BST 8:54 PM BST
Astronomical Twilight 4:18 AM BST 9:40 PM BST
Moon 6:23 AM BST (9/5) 7:13 PM BST (9/5)
Length of Visible Light 14h 26m
Length of Day
13h 18m
Waning Crescent, 0% of the Moon is Illuminated
Sep 5
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 27
Last Quarter

Hourly Weather History & Observations

Time (BST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 62.6 °F - 59.0 °F 88% 30.01 in 5.6 mi ENE 3.5 mph - N/A   Unknown
12:50 AM 64 °F - 60 °F 82% 30.00 in 5 mi NE 1.2 mph - -   Light Haze
12:50 AM 62.6 °F - 59.0 °F 88% 30.01 in 4.3 mi Calm Calm - N/A   Unknown
1:20 AM 64.4 °F - 59.0 °F 83% 29.98 in 5.0 mi North 3.5 mph - N/A   Unknown
1:50 AM 62.6 °F - 59.0 °F 88% 29.98 in 3.7 mi North 3.5 mph - N/A   Unknown
2:20 AM 62.6 °F - 59.0 °F 88% 29.95 in 3.7 mi ENE 2.3 mph - N/A   Unknown
2:50 AM 60.8 °F - 59.0 °F 94% 29.95 in - NE 2.3 mph - N/A   Haze
3:20 AM 60.8 °F - 59.0 °F 94% 29.95 in 1.7 mi Variable 2.3 mph - N/A   Haze
3:50 AM 60.8 °F - 59.0 °F 94% 29.92 in - NW 2.3 mph - N/A   Haze
4:20 AM 60.8 °F - 59.0 °F 94% 29.92 in - Variable 2.3 mph - N/A   Haze
4:50 AM 60.8 °F - 57.2 °F 88% 29.92 in - Variable 2.3 mph - N/A   Haze
5:20 AM 59.0 °F - 57.2 °F 94% 29.92 in 1.9 mi North 2.3 mph - N/A   Haze
5:50 AM 59.0 °F - 57.2 °F 94% 29.92 in 1.7 mi North 2.3 mph - N/A   Haze
6:20 AM 60.8 °F - 57.2 °F 88% 29.89 in 1.6 mi North 2.3 mph - N/A   Mist
6:50 AM 58 °F - 56 °F 90% 29.91 in 2 mi NW 3.5 mph - -   Light Haze
6:50 AM 60.8 °F - 57.2 °F 88% 29.89 in 1.7 mi NW 3.5 mph - N/A   Mist
7:20 AM 60.8 °F - 57.2 °F 88% 29.89 in 1.8 mi North 3.5 mph - N/A   Mist
7:50 AM 60.8 °F - 59.0 °F 94% 29.89 in 1.9 mi Variable 2.3 mph - N/A   Mist
8:20 AM 64.4 °F - 60.8 °F 88% 29.89 in 1.8 mi Variable 2.3 mph - N/A   Mist
8:50 AM 66.2 °F - 60.8 °F 83% 29.89 in - Variable 2.3 mph - N/A   Mist
9:20 AM 68.0 °F - 60.8 °F 78% 29.89 in 2.2 mi Variable 3.5 mph - N/A   Haze
9:50 AM 70 °F - 60 °F 63% 29.90 in 3 mi WNW 4.6 mph - -   Light Haze
9:50 AM 69.8 °F - 60.8 °F 73% 29.89 in 2.8 mi Variable 3.5 mph - N/A   Haze
10:20 AM 71.6 °F - 60.8 °F 69% 29.89 in 2.8 mi WNW 4.6 mph - N/A   Haze
10:50 AM 73.4 °F - 60.8 °F 65% 29.89 in 3.7 mi Variable 3.5 mph - N/A   Unknown
11:20 AM 75.2 °F - 59.0 °F 57% 29.86 in 5.0 mi Variable 3.5 mph - N/A   Unknown
11:50 AM 78.8 °F - 59.0 °F 51% 29.86 in - Variable 3.5 mph - N/A   Clear
12:20 PM 80.6 °F 80.5 °F 55.4 °F 42% 29.86 in - Variable 4.6 mph - N/A   Clear
12:50 PM 80 °F - 57 °F 35% 29.85 in 19 mi North 4.6 mph - -  
12:50 PM 82.4 °F 81.7 °F 55.4 °F 39% 29.86 in - NNE 4.6 mph - N/A   Clear
1:20 PM 82.4 °F 81.7 °F 55.4 °F 39% 29.83 in - Variable 3.5 mph - N/A   Clear
1:50 PM 82.4 °F 81.7 °F 55.4 °F 39% 29.83 in - NNW 4.6 mph - N/A   Clear
2:20 PM 82.4 °F 81.4 °F 53.6 °F 37% 29.83 in - WSW 10.4 mph - N/A   Clear
2:50 PM 84.2 °F 82.8 °F 53.6 °F 35% 29.83 in - WSW 6.9 mph - N/A   Clear
3:20 PM 84.2 °F 82.8 °F 53.6 °F 35% 29.80 in - SW 6.9 mph - N/A   Clear
3:50 PM 84 °F - 54 °F 25% 29.80 in 22 mi South 3.5 mph - -  
3:50 PM 84.2 °F 82.8 °F 53.6 °F 35% 29.80 in - WSW 5.8 mph - N/A   Clear
4:20 PM 84.2 °F 82.8 °F 53.6 °F 35% 29.80 in - WSW 6.9 mph - N/A   Clear
4:50 PM 84.2 °F 82.8 °F 53.6 °F 35% 29.77 in - WSW 10.4 mph - N/A   Clear
5:20 PM 84.2 °F 82.8 °F 53.6 °F 35% 29.77 in - West 9.2 mph - N/A   Clear
5:50 PM 82.4 °F - 51.8 °F 35% 29.77 in - West 8.1 mph - N/A   Clear
6:20 PM 82.4 °F - 51.8 °F 35% 29.77 in - West 9.2 mph - N/A   Clear
6:50 PM 81 °F - 55 °F 30% 29.77 in 19 mi West 8.1 mph - -   Scattered Clouds
6:50 PM 80.6 °F 80.3 °F 53.6 °F 39% 29.77 in - West 8.1 mph - N/A   Clear
7:20 PM 78.8 °F - 48.2 °F 34% 29.77 in - WNW 10.4 mph - N/A   Clear
7:50 PM 77.0 °F - 46.4 °F 34% 29.77 in - WNW 8.1 mph - N/A   Clear
8:20 PM 75.2 °F - 48.2 °F 38% 29.80 in - NW 6.9 mph - N/A   Clear
8:50 PM 73.4 °F - 53.6 °F 50% 29.80 in - NNW 6.9 mph - N/A   Clear
9:20 PM 71.6 °F - 55.4 °F 57% 29.80 in - NNW 5.8 mph - N/A   Clear
9:50 PM 68 °F - 55 °F 54% 29.80 in 11 mi NW 4.6 mph - -  
9:50 PM 69.8 °F - 55.4 °F 60% 29.80 in - NNW 4.6 mph - N/A   Clear
10:20 PM 68.0 °F - 53.6 °F 60% 29.80 in - WNW 6.9 mph - N/A   Clear
10:50 PM 68.0 °F - 53.6 °F 60% 29.80 in - WNW 5.8 mph - N/A   Clear
11:20 PM 66.2 °F - 53.6 °F 64% 29.80 in - WNW 6.9 mph - N/A   Clear
11:50 PM 64.4 °F - 53.6 °F 68% 29.80 in - WNW 5.8 mph - N/A   Clear