A rain gauge measures rainfall on the ground. It is also known as hygrometers, ombrometers, and pluviometers. They should be placed in a flat, open environment. The nearest object should be placed at least two feet away from the rain gauge, and the other bucket should be placed under the funnel. The location of the indicator must be free of continuous winds and obstructions. Here are some tips for choosing the correct rain gauge for your home.
When selecting a rain gauge, choose tall enough to be visible from the ground and wide enough to be placed near a window or other open space. The diameter of the cylinder can range from two to eight inches. The more significant the cylinder, the higher the rainfall. A larger ring will allow for more accurate readings. Depending on where you live, you may want to choose a ring gauge. The aspherical rain gauge has a round, cylindrical receiving bottle, which will collect more water.
A rain gauge should be regularly checked. It is prone to evaporation; water can fall into it a few millimetres a day. To avoid evaporation, add oil to the jar. Oil is lighter than water to float on top of the pot. The rain gauge measurement will tell you how much rainfall has fallen in a period. You can also use the gauge to calculate the intensity of a storm.
Regardless of the rain gauge you use, you must take good care of it. It should be placed on level ground. Ideally, it should be placed where the ground is not steep. In an extreme weather event, put it in an exposed area. Make sure that it is not set in the windy direction. Otherwise, you could have a problem with the measuring accuracy of the device. You can make an easy to read graph by extending the measurements over a season or a school year.
It is a great tool to measure rain and snowfall. The receiver is held in a spring balance that records the weight of the bucket. The mechanical lever arm of the balance touches a drum mounted on a clock. As the rain falls, the balance pen marks the graph paper. A rainfall gauge can record precipitation over 24 hours or a week. Once a day, however, the weight is too heavy to be measured.
A rain gauge should be placed on a level where it is unobstructed. It should be protected from strong winds. If you have a rain gauge in your yard, make sure to install it in area four or five feet above the ground. It should be placed at the same height above the ground to avoid leaking water. During dry weather, you should leave it in a dry location. If you want to see the amount of rainfall over a season or school year, it is best to have a digital gauge.