Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.
Precipitation is measured as the depth of water (rain or melted hail or snow) that would result over any area from which the precipitation was unable to drain or soak away. The tipping bucket gauge shown here collects rain in a 100 mm funnel, so feeding water into a small see-saw structure (the tipping bucket) that tips when filled, emptying out 1.57 cubic centimetres of water. This is equivalent to a depth of 0.2 mm over the collection area. The tipping of the buckets causes the electronic register to send a pulse to the receiving unit. This gauge is suitable for remote operation, though it may not function too well in heavy snow. See also Jar rain gauge, MI014.