maunaloa: Atmospheric carbon dioxide concentration from the Mauna Loa Observatory
Description
Monthly average measurements of carbon dioxide concentration from the Mauna Loa Observatory in Hawaii,
from March 1958 to February 2021. Data available courtesy of the Global Monitoring Laboratory at
the National Oceanic and Atmospheric Administration (NOAA) in the United States
(https://www.esrl.noaa.gov/gmd/ccgg/trends/data.html).
Usage
data(maunaloa)
Arguments
Format
A dataframe containing:
Date
The data of the measurement in date format. One measurement is available for each month, the first day of the month is assumed here.
year
The year of the measurement.
month
The month of the measurement.
DateNum
The date in numerical format, as year+month/12.
co2
Carbon dioxide measurement in parts per million. Calculated as the average of all daily measurements for the month.