The wedge-shaped rain gauge is mounted on a stake at ground level. It can measure up to 150 cm of water and the accuracy decreases as more water accumulates in the gauge. 2.5 cm at the top. The tipping bucket rain gauge is a smaller adaptation of the standard Weather Bureau tipping bucket rain gauge. It measures precipitation at rates up to 2 in.
Output is a switch closure for each bucket tip.
A tip occurs with each 0.1 mm of precipitation. All water contents are for the time interval between the date of the measurement and the last recorded precipitation event. The rain gauges were installed less than 2 feet from the neutron probe access tubes. In general terms the gauges were located between 50 and 150 meters in a northeasterly direction out from the flux tower. 16.00 fluid oz.