## What is 3mm thick?

3mm = .118″ inches.

## What’s bigger 3mm or 5mm?

3mm = almost 1/8 inch. 5mm = just over 3/16 inch. 6mm = almost 1/4 inch.

## What is 1.5 mm on a ruler?

MM, CM to inches conversion table

MM CM Approximate Fractional Inches
12 mm 1.2 cm Just short of 1/2 Inch
13 mm 1.3 cm Little over 1/2 Inch
14 mm 1.4 cm 9/16 Inch
15 mm 1.5 cm Just short of 5/8 Inch

## Is 25 mm of rain a lot?

Rainfall rate is generally described as light, moderate or heavy. Moderate rainfall measures 0.10 to 0.30 inches of rain per hour. Heavy rainfall is more than 0.30 inches of rain per hour. Rainfall amount is described as the depth of water reaching the ground, typically in inches or millimeters (25 mm equals one inch).

## What can heavy rain cause?

Heavy rainfall can lead to numerous hazards, for example: flooding, including risk to human life, damage to buildings and infrastructure, and loss of crops and livestock. landslides, which can threaten human life, disrupt transport and communications, and cause damage to buildings and infrastructure.

## How is rain water measured?

The standard instrument for the measurement of rainfall is the 203mm (8 inch) rain gauge. This is essentially a circular funnel with a diameter of 203mm which collects the rain into a graduated and calibrated cylinder. The measuring cylinder can record up to 25mm of precipitation.

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## Where should you not place a rain gauge?

It can be mounted on a fence, or placed in your yard, but the most important thing that you’ll want to remember is to not place it next to a building, trees, or shrubs. This can affect how much rainfall is in your rain gauge. Improper placement of your rain gauge can affect how much precipitation is falling into it.

## How far should a rain gauge be from a house?

2 feet off the ground. In developed areas place the gauge top approx. 5 feet off the ground. Bevel the top of the post to reduce rain splashing into the gauge.

## Why is a rain gauge placed 30 cm above the ground?

Rain gauge can accurately measure the rainfall without any loss due to evaporation. It is an instrument used for determining the depth of precipitation that occurs over a unit area. For the measurement of rainfall, the rain gauze should be placed 30 cm above the ground to prevent the splashing of rainwater.