get_delta: Get solar decimation (Eq 24)
In gopalpenny/fao56:

Get solar decimation (Eq 24)

1	get_delta(date)

date

date object or numeric jday

Return solar decimation in rad. Evaluates the equation:

delta = 0.409 * sin(2*pi/365 * jday - 1.39)

## Not run: 
get_delta("2019-04-15")
get_delta(105, "%j")

## End(Not run)

gopalpenny/fao56 documentation built on Feb. 14, 2022, 6:01 a.m.

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