Monthly carbon dioxide readings at Mauna Loa, Hawaii
A data frame with 360 observations on the following 4 variables.
Year
Year (1988 - 2017)
Month
Month (1=Jan. to 12=Dec.)
CO2
Atmospheric carbon dioxide level (ppm)
t
Time interval (t=1 to 360)
Monthly average carbon dioxide readings (1988 - 2017) at the Mauna Loa Observatory in Hawaii. Data collected and disseminated by ERSL (Earth System Research Laboratory) of the U.S. NOAA (National Oceanic and Atmospheric Administration.