What can be used as a rain gauge?
Therefore, in principle any vessel that has a uniform cross section can be used as a rain gauge. All the vessels will collect rain water to the same height ‘h’ as shown below. For example you can keep an aquarium in open with a scale pasted to it as a rain gauge.
What is graduated cylinder rain gauge?
A standard rain gauge has a graduated cylinder, or a cylinder with measurement marks on the side and a funnel on top. … Rain gauges usually measure rain in millimeters or inches. By looking at the level of water in the graduated cylinder and the measurement lines, you can determine the total rainfall.
Can you use any container as a rain gauge?
There’s no need to purchase a rain gauge if you looking for pure functionality. Take any clear container with a flat bottom. The mouth of the container should be the same size as the walls.
Does the diameter of a rain gauge matter?
The larger the opening, the lower the statistical error in measurements in real-world applications. Always choose the largest size that your budget allows. Rain gauge resolution determines the smallest amount of precipitation that one is able to measure and the accuracy of short-term rain intensity measurements.
What is non recording rain gauge?
Non-recording rain gauges only display the amount of rain that has fallen. This type of rain gauge cannot tell you when the rain started, when it stopped, what the intensity of the rain was, or how much the intensity of the rain varied over the course of the storm.
What is the most widely used rain gauge?
Weighing bucket type rain gauge is most common self-recording rain gauge.
Is a 5 gallon bucket an accurate rain gauge?
Most rain gauges for automatic weather stations are of the swinging bucket type, which must be installed in an accurately horizontal plane for correct operation.” The most accurate rain gage we have is a 5 gallon bucket in the middle of the driveway turn around.
How wide should a rain gauge be?
A wider diameter usually leads to more accurate readings. A 4-inch rain gauge is appropriate for most uses, while 8 inches is what the National Oceanic and Atmospheric Administration employs for its data. To avoid evaporation before the water level can be measured, UV protection is another factor to consider.
What does a simple rain gauge consist of?
It consists of a 127 mm diameter copper cylinder with a chamfered rim made of brass. Precipitation that falls on the rain gauge orifice drains through a funnel into a removable container from which the rain may be poured into a graduated glass measuring cylinder.