cut_seasons: Get season from date time object

In resourcecode: Access to the 'RESOURCECODE' Hindcast Database

Get season from date time object

Description

Get season from date time object

Usage

cut_seasons(
  datetime,
  definition = "meteorological",
  hemisphere = "northern",
  labels = NULL
)

Arguments

datetime	a POSIXct vector from with the season is constructed
definition	the definition used to compute the season. See details section.
hemisphere	in the Southern hemisphere, seasons are reversed compared to the Northern one.
labels	optional, a character vector of length fours with the seasons' names.

Details

Available Definitions:

• meteorological: Standard seasons (Dec-Feb = Winter, etc.)

• astronomical: Based on equinoxes/solstices

• djf: Dec-Jan-Feb, Mar-Apr-May, Jun-Jul-Aug, Sep-Oct-Nov

• jfm: Jan-Feb-Mar, Apr-May-Jun, Jul-Aug-Sep, Oct-Nov-Dec

• fma: Feb-Mar-Apr, May-Jun-Jul, Aug-Sep-Oct, Nov-Dec-Jan

• amj, jas, ond: Alternative starting points for quarterly seasons

Value

a Factor vector with 4 levels depending on the definitions (and labels if provided)

Examples

dates = seq(from = as.POSIXct("2023-01-15"),
            to = as.POSIXct("2023-12-15"),
            by = "month")
cut_seasons(dates)

resourcecode documentation built on Aug. 21, 2025, 5:44 p.m.