Due to changes in access to the BDMEP-INMET data acquisition system, {inmetr} is no longer supported. See https://portal.inmet.gov.br/noticias/inmet-lan%C3%A7a-novo-portal and consider using https://bdmep.inmet.gov.br/ instead.
inmetr provide access to historical data measured by meteorological
stations available in the Meteorological Database for Education and
Research (BDMEP) from
National Institute of Meteorology (Instituto Nacional de Meteorologia -
INMET), Brazil.
inmetr is easy to install from Git Hub using the devtools package.
library(devtools)install_github('lhmet/inmetr')Load package
library(inmetr)To search a meteorological station from INMET we can use metadata of
INMET stations included in inmetr package as bdmep_meta.
head(bdmep_meta)
tail(bdmep_meta)bdmep_meta is a data frame providing the id of stations, a numeric
code defined by
OMM.
This id is a necessary argument to bdmep_import() function which
allows to download data from meteorological stations into R.
Here, we show how to find the OMM code for meteorological stations at two cities (randomly sampled).
#stations <- c("Santa Maria", "Macapá")
stations <- c("Rio de Janeiro", "Goiás")
# random sample of two stations names
#stations <- sample(bdmep_meta$name, 2)
stations_rows <- pmatch(stations, bdmep_meta$name)
bdmep_meta[stations_rows, ]
stns_codes <- bdmep_meta[stations_rows, "id"]
stns_codesNow we can import data for the two cities from 1961 to the current date.
start_date <- "01/01/1961"
end_date <- format(Sys.Date(), "%d/%m/%Y")
met_data <- bdmep_import(id = stns_codes,
sdate = start_date,
edate = end_date,
email = "your-email",
passwd = "your-password",
verbose = TRUE)# check de start date
head(met_data)# check de end date
tail(met_data)You can save data in a CSV file setting argument destdir = "path/to/write/files" in bdmep_import function. Data will be save one
file per station.
A description of meteorological variables can be obtained by:
bdmep_description()Eventually, if the request failed a message will be prompted with the HTTP status code, for example:
------------------------
station: `r stns_codes[1]`
Bad Gateway (HTTP 502).
------------------------
station: `r stns_codes[2]`
Bad Gateway (HTTP 502).In this case the outcome data frame will be filled with NA, except for
request_status which will return information on the request status.
citation("inmetr")
To cite package 'inmetr' in publications use:
Tatsch, J.D. 2020. inmetr R package (v 0.2.5): Historical Data from
Brazilian Meteorological Stations in R. Zenodo.
https://doi.org/10.5281/zenodo.580813.
A BibTeX entry for LaTeX users is
@Manual{,
title = {inmetr: Historical Data from Brazilian Meteorological Stations in R},
author = {Jonatan Tatsch},
year = {2020},
note = {R package version 0.2.5},
doi = {https://doi.org/10.5281/zenodo.580813},
institution = {Universidade Federal de Santa Maria-UFSM},
url = {https://github.com/lhmet/inmetr},
}
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