eventSummary: event Summary
In hydroEFS: Hydrological Event Finding and Summarising (hydroEFS).

A function to summarise data during events.

1	eventSummary(eventCount, data)

`eventCount`	A vector indicating events. The `eventCounts` of `findEvents`.
`data`	A vector of data (e.g rainfall, stream flow, temperature) of length(eventCounts)

This function provides a summary of a vector during events.

`minimum`	The minumum of the event
`mean`	The mean of the event
`median`	The median of the event
`std_dev`	The standard deviation of the event
`variance`	The variance of the event
`length`	The length of the event
`steps_till_max`	The steps from the start of the event until the maxmimum value of the event