getPrecipitation: Assemble a precipitation times series
Description
This function retrieves monthly precipitation, minimum and maximum
temperatures for a given area from PRISM model output hosted by the USGS
Geo Data Portal (GDP)
Usage
getPrecipitation(start, end, geometry, att, val = NA)
Arguments
start
start date in format 'YYYY-MM-DD'
end
end date in format 'YYYY-MM-DD'
geometry
name of geometry as displayed in GDP
att
attribute of geometry as displayed in GDP
val
values of attribute as displayed in GDP
Value
monthly precipitation, averaged spatially over geometry