ASRC Rooftop CO observations, NYCMA observed and simulated ΔCO, and relative NYC surface influence

Carbon monoxide (CO) observations from the Advanced Science Research Center (ASRC) Rooftop Observatory in Hamilton Heights, West Harlem, Manhattan, calculated background CO, observed, and simulated CO enhancements (ΔCO) for the New York City metropolitan area (NYCMA), and relative NYC surface influence from HRRR-STILT (the Stochastic Time-Inverted Lagrangian Transport model coupled to High-Resolution Rapid Refresh meteorology). All values reported hourly for January-May 2019-2022, when available. Observations and analyzed quantities are as described in \"Multi-year observations of variable incomplete combustion in the New York megacity\" by Luke D. Schiferl, Cong Cao, Bronte Dalton, Andrew Hallward-Driemeier, Ricardo Toledo-Crow, and Róisín Commane., , , # ASRC Rooftop CO observations, NYCMA observed and simulated ΔCO, and relative NYC surface influence

Carbon monoxide (CO) observations from the Advanced Science Research Center (ASRC) Rooftop Observatory in Hamilton Heights, West Harlem, Manhattan, calculated background CO, observed, and simulated CO enhancements (ΔCO) for the New York City metropolitan area (NYCMA), and relative NYC surface influence from HRRR-STILT (the Stochastic Time-Inverted Lagrangian Transport model coupled to High-Resolution Rapid Refresh meteorology). All values reported hourly for January-May 2019-2022, when available. For completeness, we also include CO observations from the Environmental Protection Agency (EPA) Air Quality System (AQS) at the City College of New York (CCNY) and Cornwall, Connecticut sites.

## Description of the data and file structure

The data is contained in a csv file called \"ASRC_CO_Observations.csv\", where each row is an hour, each column is a variable as below:

| Variable ...