How do you use a rain gauge?

To use the rain gauge to measure the output of your sprinkler system, be sure it is in the path of the area being watered. After the sprinkler system has run for at least 30 minutes, measure the depth of water and multiply by two to figure the output of water over the course of an hour.

How does a manual rain gauge work?

Recording of rainfall using the standard or funnel rain gauge is generally done manually. The diameter of the collector is 10 times that of the tube; thus, the rain gauge works by magnifying the liquid by a factor of 10. Magnifying the rain in this way allows precise measurements down to one-hundredth of an inch.

How do you make a rain gauge step by step?

Making a Rain Gauge

1. Cut the top section off a clear bottle as shown.
2. Place several small rocks in the bottom (for weight), then fill the bottle with water to the 0 mark.
3. Invert the top of the bottle into to rain gauge to act as a funnel.
4. Wait for the next rain and observe and record rainfall amounts.

Is the new Nylex digital rain gauge good?

The new Nylex Digital Rain Gauge is a great new addition to our existing range of quality Rain Gauges. It has a wireless self-emptying rain collector for measuring rain fall – great for recording accurately…

How much water can a rain gauge hold?

When more than an inch of rain falls the precipitation will overflow into the outer cylinder. The whole gauge has a capacity to hold 11 inches. 7 To measure greater than one inch . . . • Pour out the first inch from the inner tube and write it down. • Now pour the remaining water into the funnel & measure using the inner tube.

How to report rain splashing into your gauge?

Make sure your gauge is level Bevelthe top of the post to reduce rain splashing into the gauge. REPORTING OBSERVATIONS The CoCoRaHS Web site www.cocorahs.org 1 Login to CoCoRaHS After you login, the screen will automatically take you to the Daily Precip. Report Record your total pre- cipitation measured in your gauge in hun- dredths (0.00) 2

How does the funnel work in a rain gauge?

The funnel directs the precipitation into the measuring tube and magnifies it by a factor of 10. This allows observers to report rainfall to the nearest 0.01″ (one hundredth of an inch). The measuring tube, when full, will hold “one inch” of rainfall. When it rains more than one inch,…