Explanations

left top: value of characteristic number for a single event.
left bottom: mean value of the characteristic number within the period of data analysis.
right top: maximum value of the characteristic number within the period of data analysis.
right bottom: minimum value of the characteristic number within the period of data analysis.

Remark: The mean value is only computed at locations where all events have occurred within the period of data analysis.

Examples

maximum flood current:maximum ebb current	maximum flood current:maximum ebb current (maximum)
ratio of maximum flood current:maximum ebb current of one specific tide	maximum value of ratio of maximum flood current:maximum ebb current within the period of data analysis

maximum flood current:maximum ebb current (mean value)	maximum flood current:maximum ebb current (minimum)
mean value of ratio of maximum flood current:maximum ebb current within the period of data analysis	minimum value of ratio of maximum flood current:maximum ebb current within the period of data analysis