getWth: Get weather data

Description Usage Arguments Value Author(s) References Examples

Description

Get weather data from the NASA Power database. The function returns data for (tiles of) indivual grid cells on a 1 degree global grid. Daily data from 1 Jan 1983 to present (see Details).

Usage

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wthPower(lon, lat, folder=file.path(getwd(), 'power'), ...) 

Arguments

lon

numeric between -180 and 180 (degrees latitude)

lat

numeric between -90 and 90 (degrees longitude)

folder

character. Where (directory, path) should the downloaded records be saved?

...

additional arguments

Value

data.frame with weather data between 1983 and 2016.

Author(s)

Robert J. Hijmans

References

http://power.larc.nasa.gov/common/php/Agro_ExSummary.php

Paul W. Stackhouse, Jr, David Westberg, James M. Hoell, William S. Chandler, Taiping Zhang. Prediction Of Worldwide Energy Resource (POWER) — Agroclimatology Methodology — (1 Latitude by 1 Longitude Spatial Resolution) (Version 1.0.2 June 4, 2015). NASA Langley Research Center and SSAI/NASA Langley Research Center. http://power.larc.nasa.gov/documents/Agroclimatology_Methodology.pdf

Examples

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## Not run: 
d <- wthPower(6, 56)

## End(Not run)

weather documentation built on May 31, 2017, 2:41 a.m.