Weather Data

Record high temperature 30.0°C Record low temperature -4.2°C Record high gust 68.5 km/h Record high average 292.3 km/h Record daily rain 53.3 mm Record low windchill -9.0°C Record high barometer 1043.4 hPa Record low barometer 893.0 hPa Daily high pressure 1003.8 hPa Daily low pressure 1002.1 hPa Daily low windchill 7.6°C Daily high heat index 12.3°C Daily high gust speed 27.3 kmh SE Daily high average speed 16.3 kmh SSW Forecast: mostly cloudy and cooler. precipitation possible within 12 hours, possibly heavy at times. windy.

Weather Data
LAST READING AT TIME: 4:45 AM DATE: 22 November 2009, time of next update: 05:00 AM
Current Weather	Night time/Dry	Current Temperature	10.1°C (50.2°F), Apparent temp 8.7°C
Maximum Temperature (since midnight)	12.3°C at: 12:22 AM	Minimum Temperature (since midnight)	10.0°C at: 4:25 AM
Average windspeed (ten minute)	4.1 kmh (2.2 kts)	Wind Direction (ten minute)	SSE (154°)
Heat Index	10.1°C	Maximum Gust (last hour)	20.9 kmh (11.3 kts) at: 3:54AM
Maximum Gust (since midnight)	27.3 kmh (14.8 kts) at: 3:37 AM	Maximum 1 minute average (since midnight)	16.3 kmh (8.8 kts) at: 3:38 AM
Rainfall (last hour)	0.0 mm	Rainfall (since midnight)	1.8 mm (0.07 in.) at 3:44 AM
Rainfall This month	84.1 mm (3.31 in.)	Rainfall To date this year	498.9 mm (19.64 in.)
Maximum rain per minute (last hour)	0.0 mm/min	Maximum rain per hour (last 6 hours)	1.8 mm/hour
Yesterdays rainfall	6.1 mm	DewPoint	7.9°C (Wet Bulb :9.0°C )
Humidity	86 %, Humidex 10.4°C	Barometer corrected to msl	1002.3 hPa
Pressure change	-0.2 hPa (last hour)	Trend (last hour)	STEADY
Pressure change (last 12 hours)	-4.8 hPa	Pressure change (last 6 hours)	-2.0 hPa
Current solar	0 W/M²	Current UV	0.0
Maximum solar (since midnight)	0 W/M²	Maximum UV (since midnight)	0.0
Current 00:00 hours of sunshine today, current sky: Night time/Dry
Sunshine hours for the year:	1064:48 hrs	Sunshine hours for the month:	94:49 hrs
Current evapotranspiration rate 0.3 mm per day. Yesterday's reading 0.5

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Weather report/warning/Metars


London / Heathrow Airport, United Kingdom (EGLL) 51-29N 000-27W 0M
Nov 21, 2009 - 10:50 PM EST / 2009.11.22 0350 UTC
Wind: from the SSW (200 degrees) at 12 MPH (10 KT):0
Visibility: greater than 7 mile(s):0
Sky conditions: mostly clear
Temperature: 50 F (10 C)
Dew Point: 46 F (8 C)
Relative Humidity: 87%
Pressure (altimeter): 29.62 in. Hg (1003 hPa)
ob: EGLL 220350Z 20010KT 9999 FEW049 10/08 Q1003 NOSIG
cycle: 4

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Click here for a daily update of the averages/extremes to date for the month Created by "Weather Display" software version 10.37O at this start time/date 07:49:00 20/11/2009