Description Usage Arguments Value
Per Hargreaves & Samani 1985. (Shuttleworth 1993 seems to incorrectly omit the exponent)
1 | hargreaves(S0, tmean, tmin, tmax)
|
S0 |
numeric |
tmean |
degrees C |
tmin |
degrees C |
tmax |
degrees C |
evapotranspiration (ETP) in mm/day
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