Enter the total amount of precipitation (in) and the total amount of time (hrs) into the Precipitation Rate Calculator. The calculator will evaluate the Precipitation Rate.

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## Precipitation Rate Formula

The following two example problems outline the steps and information needed to calculate the Precipitation Rate.

PRR = P / T

- Where PRR is the Precipitation Rate (in/hr)
- P is the total amount of precipitation (in)
- T is the total amount of time (hrs)

To calculate the precipitation rate, divide the total amount of precipitation by the total amount of time.

## How to Calculate Precipitation Rate?

The following example problems outline how to calculate Precipitation Rate.

Example Problem #1:

- First, determine the total amount of precipitation (in).
- The total amount of precipitation (in) is given as: 3.

- Next, determine the total amount of time (hrs).
- The total amount of time (hrs) is provided as: 2.

- Finally, calculate the Precipitation Rate using the equation above:

PRR = P / T

The values provided above are inserted into the equation below and computed.

PRR = 3 / 2 = 1.5 (in/hr)

Example Problem #2:** **

For this problem, the variables required are provided below:

total amount of precipitation (in) = 4

total amount of time (hrs) = 1

Test your knowledge using the equation and check your answer with the calculator..

PRR = P / T** = ?**