Weather Instruments

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Instrument Measures
_________
Units Picture Make Your Own
Thermometer air temperature degrees F,
degrees C
Design #1
Psychrometer relative humidity
(RH)
degrees F,
degrees C
(RH is a %)
Made up of one
wet-bulb and
one dry-bulb
thermometer
Design #1
Hygrometer relative humidity
(RH)
% Design #1
Barometer air pressure mb, in. of
mercury
Design #1

Design #2

Wind Vane wind direction N, S, E, W,
NE, SW,...
Design #1

Design #2

Anemometer wind speed mph, knots Design #1

Design #2

Rain Gauge amount of precipitation in., cm Design #1

Design #2

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This page was last modified on June 25, 2001.