easysnowdata.utils.datetime_to_DOWY#

easysnowdata.utils.datetime_to_DOWY(date: Timestamp | str, hemisphere: str = 'northern') → int | float[source]#

Convert a date to the day-of-water-year (DOWY), 1-indexed.

Scalar wrapper around the vectorized easysnowdata.processing.wateryear.day_of_water_year(); returns np.nan when date cannot be parsed.