La Crosse Technology 2800 Weather Radio User Manual


 
Page|23
TEMPERATUREANDHUMIDITY
Thetemperatureandhumiditysectionofthemaindialogshowsyou:
Thecurrentindoorandoutdoortemperature.
Thecurrentindoorandoutdoorhumidity
levels.
MinandMaxvaluesforbothindoorand
outdoortemperature.
MinandMaxvaluesforbothindoorand
outdoorhumidity.
Tovieworresetthemin
ormaxvaluesforanyofthetemperatureproperties,pleaserefertotheMinMaxValues
section.
Tovieworsetalarmtriggersforanyofthetemperatureproperties,pleaserefertothesectiononSettingAlarms
.
DEWPOINTTEMPERATURE
WHATISTHE“DEWPOINT”?
Thedewpointisthetemperaturewheremoistureintheaircondensesintowater.Wecommonlyrefertothe
condensedwaterasdew,thereforethetemperatureatwhichthe“dew”formsiscalledthedewpoint.
THERELATIONSHIPBETWEENDEWPOINT,TEMPERATUREANDRELATIVEHUMIDITY
Whenthedewpointisneartothecurrenttemperature,wehaveveryhighhumidity.Ifthedewpointisequaltothe
currenttemp,thatisarelativehumidityof100%.Thismeansthattheairiscompletelysaturatedwithwatervapor.
Whenthedewpointremainsconstantandthetemperatureincreases,
relativehumiditywilldecrease.
Astheairtempgoesdown,thedewpointtendstofollow.Alowdewpointcangoalongwithahightemperature
onlyatextremelylowrelativehumidity.
HOWDOESTHEDEWPOINTAFFECTME?
Wetendtobemoreuncomfortableasthedewpointincreases.Asthebody’stemperaturegoesup,webeginto
perspireandproducesweattocooldown.Highhumidity(andthereforeahighdewpoint),willpreventthe
evaporationofsweatandreducesthebody’sabilitytocoolitself,andwe
feelhotanduncomfortable.