waterDayYear: Compute Water Day and Year
Description
Compute "water" day and year, based on the end of the typical or legal dry
season. This is September 30 in California.
Usage
waterDayYear(d, end = "09-30", format = "%Y-%m-%d", tz = "UTC")
Value
A data.frame
object with the following
- wy
the "water
year"
- wd
the "water day"
Arguments
- d
anything the can be safely converted to POSIXlt
- end
"MM-DD" notation for end of water year
- format
Used in POSIXlt conversion. Default "%Y-%m-%d"
- tz
Used in POSIXlt conversion for custom timezone. Default is "UTC"
Details
This function doesn't know about leap-years. Probably worth checking.
Examples
Run this code
# try it
waterDayYear('2019-01-01')
Run the code above in your browser using DataLab