The goal of cptec is to allows the user to retrieve data from the CPTEC/INPE weather forecast API. CPTEC stands for 'Centro de Previsão de Tempo e Estudos Climáticos' and INPE for 'Instituto Nacional de Pesquisas Espaciais'. CPTEC is the most advanced numerical weather and climate forecasting center in Latin America, with high-precision short and medium-term weather forecasting since the beginning of 1995. See http://www.cptec.inpe.br/ for more information.
Install the release version from CRAN:
install.packages("cptec")or the development version from github
# install.packages("devtools")
devtools::install_github("rpradosiqueira/cptec")The "cptec" package contains the functions:
prev4dias It retrieve 4 days weather forecast data
according to the 'id' provided
prev7dias It retrieve 7 days weather forecast data
according to the 'id' provided
listaCidades It allows the user to discover which are
the city`s ID of interest
metar It allows the user to retrieve data from
airport surface stations
ondas It allows the user to retrieve data from
sea waves
prevEstendida It retrieve 14 days weather forecast data
according to the 'id' provided
prevLatLon It retrieve 7 days weather forecast data
according to the latitude/longitude provided
estendidaLatLon It retrieve 14 days weather forecast data
according to the latitude/longitude provided
iuv It retrieve the last updated data from CPTEC/INPE
ultra violet index for a determined city
estacoes_metar List "Metar" initials and descriptions
condicoes_tempo List "tempo" descriptions
capitais It allows the user to retrieve data from
current weather conditions of capitalsLet's assume that we want the next 7 days weather forecast for the city of Rio de Janeiro/RJ. To do this simply execute:
library(cptec)
prev7dias(id = 241)
#> cidade uf atualizacao dia tempo maxima minima iuv
#> 1 Rio de Janeiro RJ 2017-09-21 2017-09-22 vn 33 17 9
#> 2 Rio de Janeiro RJ 2017-09-21 2017-09-23 pn 33 18 9
#> 3 Rio de Janeiro RJ 2017-09-21 2017-09-24 vn 35 17 9
#> 4 Rio de Janeiro RJ 2017-09-21 2017-09-25 pn 27 17 9
#> 5 Rio de Janeiro RJ 2017-09-21 2017-09-26 vn 31 17 9
#> 6 Rio de Janeiro RJ 2017-09-21 2017-09-27 vn 32 17 9
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