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lwbgt

lwbgt provides dependency-free, vectorized R access to the reference-compatible Liljegren outdoor wet bulb globe temperature kernel. Input names and units match the native and Python APIs.

Install the latest release from R-universe:

install.packages("lwbgt", repos = "https://zyf0717.r-universe.dev")

Or install the latest GitHub release directly from this repository’s r/ subdirectory:

install.packages("remotes", repos = "https://cloud.r-project.org")
remotes::install_github("zyf0717/lwbgt/r@*release")

input <- lwbgt_input(
    year = 2024, month = 4, day = 15, hour = 14, minute = 30,
    gmt_offset_hours = 8, averaging_minutes = 60, urban = 1,
    latitude_deg_north = 1.3521, longitude_deg_east = 103.8198,
    solar_w_m2 = 742, pressure_hpa = 1008.4,
    air_temperature_c = 32.1, relative_humidity_percent = 68,
    wind_speed_m_s = 2.8, wind_height_m = 10,
    vertical_temperature_difference_c = 1
)
calculate(input)
esat(273.15)

Rows with missing, invalid, or non-convergent inputs return a nonzero status and NA numerical outputs without preventing other rows from being calculated.

The package contains a modified Liljegren WBGT v1.1 derivative. See the installed LICENSE, LICENSES/, and NOTICE files for redistribution terms and required acknowledgements. It is not affiliated with or endorsed by the original authors, UChicago Argonne, or the U.S. Department of Energy.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.