Some calculations needed for aggregation of interevent statistics
assess_ewr_interevents.RdSome calculations needed for aggregation of interevent statistics
Value
tibble with columns scenario, gauge, planning_unit_name,
state, SWSDLName, ewr_code, start_date, inter_event_length,
ewr_code_timing, max_interevent, exceedance_days (realised - max),
interevent_ratio (realised / max), exceedance_ratio (interevent_ratio -
1), exceedance (binary; realised >= max), exceedance_only (days above
max), days_in_exceeding (all realised if max passed)