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Specifications   Hydrology Project   Meteorology
 
Specifications for Meteorological Equipment
 

Measuring precipitation

The most commonly collected meteorological data are measurements of rainfall.

Standard raingauge - The simplest rain gauge is a standardised funnel set up to collect rainwater. An observer measures the water collected at the same time(s) each day, and reports the quantity as a depth of rain.
Download specification here

Autographic raingauge - A tilting siphon raingauge also collects rainwater, but is connected to a chart recorder which automatically records how much rain falls, and when it falls. An observer manually extracts rainfall at the required time interval from the chart.
Download specification here

Tipping bucket raingauge - A tipping bucket raingauge collects rainwater in a standardised bucket which tips and empties when the bucket is full, sending a signal to a digital data logger. The logger can be set to record data at the required time interval, or to record the time of each tip. Generally tipping bucket raingauges are the preferred instrument for reliable sub-daily rainfall data.
Download specification here

Measuring climate

Climate data are required primarily for the direct and/or indirect estimation of evaporation.

Full Climate Station (FCS) - An FCS has a range of instrumentation, read manually at the same time(s) each day, including:



ID
Approval Date
COUNTER TYPE ANEMOMETER
30.002 May 1998
AUTOMATIC WEATHER STATION
30.001 May 2010
EVAPORIMETER, US CLASS PAN
30.012 May 1998
HYGROGRAPH, HAIR STRING TYPE
30.010 May 1998
LIQUID IN GLASS THERMOMETERS
30.008 May 1998
RAINGAUGE, AUTOMATIC SIPHON TYPE
30.005 May 1998
RAINGAUGE, NON-RECORDING
30.004 May 1998
RAINGAUGE, TIPPING BUCKET TYPE
30.006 May 2010
STEVENSON SCREEN
30.011 Pending
SUNSHINE RECORDER
30.007 May 1998

THERMOGRAPH, BIMETALLIC TYPE

30.009 May 1998
WIND DIRECTION INDICATOR
30.003 May 1998

FCS GUIDANCE NOTE

Nov 2009