Syntax
CalendarYearToWaterYear(CalendarYear, CalendarMonth)
Description
Convert calendar year to water year (will be the same if water year starts in January).
Examples
CalendarYearToWaterYear(2020, 1) = 2020 if water year starts in January
CalendarYearToWaterYear(2020, 1) = 2020 if water year starts in October
CalendarYearToWaterYear(2020, 10) = 2020 if water year starts in January
CalendarYearToWaterYear(2020, 10) = 2021 if water year starts in October,
because October 2020 is part of water year 2021