Description Usage Arguments Value See Also
Compute the first or last day of 8-day intervals for a given year. Handles leap years when finding the last day of 8-day intervals.
1 | get_8days(year, form = "%j", when = "first")
|
year |
numeric or character the year(s) to compute |
form |
charcater, by default we return the day of the year in '001' form |
when |
character either 'first' or 'last' to indicate the first or last day of the 8-day interval |
a list of character vectors of the last day of the 8-day interval for the years specified with one list element per year. Be advised that the first day of winter for a given year occurs in the prior year.
http://oceancolor.gsfc.nasa.gov/BROWSE_HELP/L3/
Other DAYS: get_monthdays
;
get_seasondays
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