Rainfall Return Period Calculator

Select A Point

Generate a table of rainfall depths (mm) for standard durations

Customising Your Query

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Determine

Return Period (years)

Frequency (years) of the event.

Rainfall (mm)

Depth over the selected duration.

Duration & Units

Customise Location Coordinates

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We automatically convert between Easting/Northing and Latitude/Longitude.

Easting

Easting = Irish grid x-coordinate.

Northing

Northing = Irish grid y-coordinate.

Latitude

Latitude in decimal degrees.

Longitude

Longitude in decimal degrees (W negative).

Customise Location Coordinates

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We automatically convert between Easting/Northing and Latitude/Longitude.

Easting

Northing

Latitude

Longitude

×

Met Éireann

Return Period Rainfall Depths

Lat/Lng: —

✓

Done! Your data is ready now

NOTES:

Values derived from the DDF Model update 2023.
Mateus C., & Coonan, B. (2023) Technical Note No. 68, Met Éireann.
http://hdl.handle.net/2262/102417