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    Offwell Weather Station Report 
    Location: The Woodland Education Centre,
    Offwell, East Devon, England  | 
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This page is updated every 10
minutes and displays the current weather conditions at the Woodland Education Centre.
   
Other pages include the 'Weather-at-a-Glance' and  previous weather
records from the Offwell Weather Station. 
Current
Weather Conditions 
The data below is a detailed analysis of the current weather conditions
along with a brief explanation 
of the terms used.  For more detailed explanations of the terms used,
visit our weather glossary. 
 
Click here for
Weather at a Glance 
Previous
Weather Data 
Weather
Contents 
  
  
WIND 
  
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    Average
    wind speed (mph) during  
    10 minute period prior to listed time  | 
    Wind
    speed (mph) at listed time. 
    Highest wind speed during current  
    24 hr time period.  | 
    Wind
    direction at listed time  | 
   
 
 
  
WIND
CHILL & PERCEPTION OF TEMPERATURE 
  
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    The
    Temperature-Humidity-Wind 
    (THW) Index uses humidity, 
    temperature and wind to  
    calculate an apparent 
    temperature that incorporates  
    the cooling effects of wind on 
    our perception of temperature.   | 
    Wind Chill (C)
    takes into  
    account how the speed of the 
    wind affects our perception of  
    the air temperature.  The  
    faster the wind blows, the  
    faster heat is carried away  
    from your body and the colder  
    you feel.  | 
   
 
 
  
RAIN 
  
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    Total
    rainfall (mm) during  
    current 24 hr period  | 
    Variation
    in rainfall rate  
    (mm/hr)  
    during current 24 hr period. 
    Current rainfall rate.  | 
    Total
    rainfall to date during  
    the current calendar month  | 
    Total amount of rainfall (mm) 
    during the current calendar 
    year. | 
   
 
 
  
RAIN & HUMIDITY 
  
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				Storm rain is the
    amount 
    (mm) of rain falling during  
    the current period of 
    continuous wet weather.   
				(Period starts with 0.5mm recorded rainfall and accumulates 
				until ended by a continuous 24hr period of dry weather.) | 
			 
		 
	 
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    Relative humidity
    (%) is the 
    amount of water vapour 
    present in the air expressed  
    as a percentage  
    of the amount of water vapour 
    that the air is capable of  
    holding.  | 
   
 
 
  
TEMPERATURE,
ATMOSPHERIC PRESSURE & DEW POINT 
  
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    Variation
    in air temperature (C) 
    during current 24 hr
    period. 
    Current air temperature (C)  | 
    Variation
    in atmospheric pressure 
    (hPa) during current 24 hr period. 
    Current atmospheric pressure.  | 
    Dew-point (C) is
    the  
    temperature to which air 
    must be cooled for  
    saturation (100% relative 
    humidity) to occur, providing 
    there is no change in water 
    content.   | 
   
 
 
  
HEAT INDEX, & AIR DENSITY 
  
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    The Heat Index
    (C) uses the 
    temperature and the relative 
    humidity to determine how  
    hot the air actually "feels."  
    Bar chart shows the range 
    of heat index during  
    current 24 hr period and 
    the current reading.  | 
    Air density
    measures the 
    mass of air present per  
    unit volume of air.  | 
   
 
 
  
Weather Contents 
  
  
Copyright © Offwell Woodland & Wildlife Trust
1998/9 & 2000/1/2/3/4/5 
All
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