weather_wk_25_2019.tb {learnrbook}

Weather data

Description

A data set containing weather data measured in Viikki, Helsinki, Finland. Values for all variables are means of 12 readings at 5 seconds intervals. Sun angles were computed with R package 'photobiology'.

Usage

weather_wk_25_2019.tb

Format

A tibble with 21 columns and 10080 rows.

Details

The variables are as follows:

• time (yyyy-mm-dd hh:mm:ss)

• PAR_umol (umol m-2 s-1)

• PAR_diff_fr (/1)

• global_watt (W m-2)

• day_of_year

• month_of_year

• month_name

• calendar_year

• solar_time (h)

• sun_elevation (degrees above horizon)

• sun_azimuth (degrees)

• was_sunny (T/F)

• wind_speed (m s-1)

• wind_direction (degrees)

• air_temperature_C (C)

• air_RH (

• air_DP (C)

• air_pressure

• red_umol (umol m-2 s-1)

• far_red_umol (umol m-2 s-1)

• red_far_red (ratio)

References

P. J. Aphalo, unpublished data.

Examples

names(weather_wk_25_2019.tb)
weather_wk_25_2019.tb