Weather History for London, United Kingdom

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Tuesday, September 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 57 °F -  
Max Temperature 64 °F 61 °F 78 °F (2014)
Min Temperature 46 °F 48 °F 41 °F (2010)
Degree Days  
Heating Degree Days 8    
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 61    
Maximum Humidity 88    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 11 mph ()    
Max Wind Speed 16 mph    
Max Gust Speed -    
Visibility 8.3 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. 18, 2012 Rise Set
Actual Time 6:42 AM BST 7:08 PM BST
Civil Twilight 6:08 AM BST 7:42 PM BST
Nautical Twilight 5:28 AM BST 8:21 PM BST
Astronomical Twilight 4:46 AM BST 9:03 PM BST
Moon 9:51 AM BST (9/18) 7:51 PM BST (9/18)
Length of Visible Light 13h 33m
Length of Day
12h 26m
Waxing Crescent, 7% of the Moon is Illuminated
Sep 18
Waxing Crescent
Sep 22
First Quarter
Sep 30
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (BST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 57.2 °F - 51.8 °F 82% 29.86 in - SW 11.5 mph - N/A   Clear
12:50 AM 56 °F - 50 °F 75% 29.86 in 12 mi WSW 11.5 mph - -   Partly Cloudy
12:50 AM 57.2 °F - 50.0 °F 77% 29.86 in - WSW 10.4 mph - N/A   Clear
1:20 AM 55.4 °F - 50.0 °F 82% 29.86 in 6.2 mi WSW 10.4 mph - N/A   Unknown
1:50 AM 55.4 °F - 50.0 °F 82% 29.86 in 6.2 mi WSW 9.2 mph - N/A   Unknown
2:20 AM 55.4 °F - 50.0 °F 82% 29.86 in 6.2 mi WSW 10.4 mph - N/A   Unknown
2:50 AM 55.4 °F - 50.0 °F 82% 29.86 in - WSW 11.5 mph - N/A   Clear
3:20 AM 53.6 °F - 48.2 °F 82% 29.83 in - WSW 10.4 mph - N/A   Clear
3:50 AM 54 °F - 49 °F 78% 29.85 in 14 mi WSW 12.7 mph - -   Mostly Cloudy
3:50 AM 53.6 °F - 50.0 °F 88% 29.83 in - WSW 11.5 mph - N/A   Clear
4:20 AM 53.6 °F - 50.0 °F 88% 29.83 in 6.2 mi West 11.5 mph - N/A Rain Light Rain Showers
4:50 AM 55.4 °F - 50.0 °F 82% 29.83 in 6.2 mi West 11.5 mph - N/A   Partly Cloudy
5:20 AM 55.4 °F - 48.2 °F 77% 29.83 in - West 13.8 mph - N/A   Clear
5:50 AM 55.4 °F - 48.2 °F 77% 29.83 in - West 11.5 mph - N/A   Clear
6:20 AM 53.6 °F - 48.2 °F 82% 29.86 in - West 11.5 mph - N/A   Clear
6:50 AM 53 °F - 48 °F 78% 29.87 in 11 mi West 10.4 mph - -  
6:50 AM 53.6 °F - 48.2 °F 82% 29.86 in - West 11.5 mph - N/A   Clear
7:20 AM 53.6 °F - 48.2 °F 82% 29.86 in - West 11.5 mph - N/A   Clear
7:50 AM 53.6 °F - 48.2 °F 82% 29.86 in - West 12.7 mph - N/A   Clear
8:20 AM 53.6 °F - 48.2 °F 82% 29.89 in - West 13.8 mph - N/A   Clear
8:50 AM 55.4 °F - 48.2 °F 77% 29.89 in - West 15.0 mph - N/A   Clear
9:20 AM 57.2 °F - 48.2 °F 72% 29.89 in 6.2 mi West 16.1 mph - N/A   Partly Cloudy
9:50 AM 58 °F - 46 °F 55% 29.91 in 11 mi West 11.5 mph - -   Scattered Clouds
9:50 AM 57.2 °F - 46.4 °F 67% 29.92 in 6.2 mi West 13.8 mph - N/A   Partly Cloudy
10:20 AM 59.0 °F - 44.6 °F 59% 29.92 in 6.2 mi West 15.0 mph - N/A   Partly Cloudy
10:50 AM 60.8 °F - 44.6 °F 55% 29.92 in 6.2 mi West 15.0 mph - N/A   Scattered Clouds
11:20 AM 60.8 °F - 42.8 °F 52% 29.92 in 6.2 mi West 15.0 mph - N/A   Scattered Clouds
11:50 AM 62.6 °F - 42.8 °F 48% 29.92 in 6.2 mi WNW 13.8 mph - N/A   Partly Cloudy
12:20 PM 60.8 °F - 41.0 °F 48% 29.92 in 6.2 mi WNW 15.0 mph - N/A   Scattered Clouds
12:50 PM 60 °F - 40 °F 36% 29.94 in 14 mi WNW 12.7 mph - -   Mostly Cloudy
12:50 PM 60.8 °F - 41.0 °F 48% 29.92 in 6.2 mi WNW 11.5 mph - N/A   Partly Cloudy
1:20 PM 60.8 °F - 37.4 °F 42% 29.92 in 6.2 mi WNW 13.8 mph - N/A   Partly Cloudy
1:50 PM 64.4 °F - 35.6 °F 34% 29.92 in 6.2 mi NW 11.5 mph - N/A   Partly Cloudy
2:20 PM 64.4 °F - 37.4 °F 37% 29.95 in 6.2 mi NW 11.5 mph - N/A   Scattered Clouds
2:50 PM 57.2 °F - 42.8 °F 59% 29.95 in 6.2 mi NW 10.4 mph - N/A   Scattered Clouds
3:20 PM 60.8 °F - 41.0 °F 48% 29.95 in 6.2 mi WNW 12.7 mph - N/A   Partly Cloudy
3:50 PM 60 °F - 38 °F 31% 29.96 in 16 mi West 13.8 mph - - Rain Rain
3:50 PM 60.8 °F - 37.4 °F 42% 29.95 in 6.2 mi WNW 13.8 mph - N/A   Partly Cloudy
4:20 PM 62.6 °F - 37.4 °F 39% 29.95 in - WNW 13.8 mph - N/A   Clear
4:50 PM 62.6 °F - 37.4 °F 39% 29.98 in - WNW 12.7 mph - N/A   Clear
5:20 PM 62.6 °F - 33.8 °F 34% 29.98 in - WNW 12.7 mph - N/A   Clear
5:50 PM 60.8 °F - 35.6 °F 39% 29.98 in - WNW 11.5 mph - N/A   Clear
6:20 PM 60.8 °F - 35.6 °F 39% 29.98 in - WNW 12.7 mph - N/A   Clear
6:50 PM 59 °F - 36 °F 30% 30.01 in 14 mi WNW 8.1 mph - -  
6:50 PM 59.0 °F - 33.8 °F 39% 30.01 in - NW 6.9 mph - N/A   Clear
7:20 PM 59.0 °F - 33.8 °F 39% 30.01 in - WNW 11.5 mph - N/A   Clear
7:50 PM 57.2 °F - 33.8 °F 41% 30.04 in - WNW 9.2 mph - N/A   Clear
8:20 PM 55.4 °F - 35.6 °F 47% 30.04 in - WNW 8.1 mph - N/A   Clear
8:50 PM 55.4 °F - 37.4 °F 51% 30.06 in - WNW 9.2 mph - N/A   Clear
9:20 PM 53.6 °F - 37.4 °F 54% 30.06 in - NW 8.1 mph - N/A   Clear
9:50 PM 52 °F - 39 °F 50% 30.09 in 14 mi WNW 6.9 mph - -  
9:50 PM 53.6 °F - 39.2 °F 58% 30.09 in - WNW 6.9 mph - N/A   Clear
10:20 PM 51.8 °F - 39.2 °F 62% 30.09 in - WNW 6.9 mph - N/A   Clear
10:50 PM 51.8 °F - 39.2 °F 62% 30.09 in - WNW 5.8 mph - N/A   Clear
11:20 PM 50.0 °F - 39.2 °F 66% 30.09 in - WNW 5.8 mph - N/A   Clear
11:50 PM 46.4 °F 43.5 °F 39.2 °F 76% 30.09 in - West 5.8 mph - N/A   Clear