Bath, Pennsylvania - U.S.A.

Meteorologist Emeritus

Professor

Charles A. Giannetta

Picture of Gini's "Weighing Bucket Raingauge" for measuring precipitation

"How It Works"

The gauge consists of a 10 quart bucket sitting onto of a scale. There is clock driven drum with a chart attached to the drum. You can see the drum with the chart attached through opening at the bottom of the gauge. A pen is conected to the scale through a series of gears and levers.

As precipitation occurs and falls into the gauge through the opening at the top. The precipitation is gathered in the 10 quart bucket. The precipitation is weighed by the scale and moves the pen up the chart located on the clock driven drum.

Precipitation is measured in the hundreds of inches. The chart indicates how much precipitation occured and at what time of day or night.

"Example"

If - 2.00" of precipitation occurred at 2:31 am, you could look at the chart and see the trace that occured at that time.

The gauge is very accurate and will measure all types of precipitation. When snow or sleet or freezing rain is occurring a heater is installed in the gauge to melt the solid precipitation which is falling into the gauge. Here at this station we use a 100 watt light bulb lit inside the gauge which works quite well. Some times anti-freeze is used in the bucket to melt the precipitation.

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