These data are made available to the scientific community and public with the understanding that authors of publications and presentations will contact the PI to obtain up-to-date information on the latest version of the data during the early stages of their analysis. Manuscripts that employ these data should be reviewed by the PI before submission to ensure the quality and limitations of the data are represented. Data Disclaimer: Data has undergone extensive quality checks and is available from NOAA-GMD and WDCGG. However, there still exists the potential for these data to be modified at the discretion of NOAA/ESRL Global Monitoring Division. If you have questions regarding the data in this file, please contact: Audra McClure-Begley: Audra.mcclure@noaa.gov (303-497-6823) Please use the following citation for data use: McClure-Begley, A., Petropavlovskikh, I., Oltmans, S., (2014) NOAA Global Monitoring Surface Ozone Network. Station name, Time start-Time end. National Oceanic and Atmospheric Administration, Earth Systems Research Laboratory Global Monitoring Division. Boulder, CO. DATE ACCESSED http://dx.doi.org/10.7289/V57P8WBF STN YEAR MON DAY HR O3(PPB) THD 2018 09 01 00 17.26 THD 2018 09 01 01 17.04 THD 2018 09 01 02 17.53 THD 2018 09 01 03 17.54 THD 2018 09 01 04 17.03 THD 2018 09 01 05 12.73 THD 2018 09 01 06 13.45 THD 2018 09 01 07 14.63 THD 2018 09 01 08 12.26 THD 2018 09 01 09 11.38 THD 2018 09 01 10 8.56 THD 2018 09 01 11 8.93 THD 2018 09 01 12 9.39 THD 2018 09 01 13 12.13 THD 2018 09 01 14 11.13 THD 2018 09 01 15 11.91 THD 2018 09 01 16 13.02 THD 2018 09 01 17 12.70 THD 2018 09 01 18 14.16 THD 2018 09 01 19 13.31 THD 2018 09 01 20 14.31 THD 2018 09 01 21 16.74 THD 2018 09 01 22 17.71 THD 2018 09 01 23 20.94 THD 2018 09 02 00 23.74 THD 2018 09 02 01 25.99 THD 2018 09 02 02 25.99 THD 2018 09 02 03 21.41 THD 2018 09 02 04 19.12 THD 2018 09 02 05 21.78 THD 2018 09 02 06 21.67 THD 2018 09 02 07 20.73 THD 2018 09 02 08 21.87 THD 2018 09 02 09 22.26 THD 2018 09 02 10 22.28 THD 2018 09 02 11 22.14 THD 2018 09 02 12 20.29 THD 2018 09 02 13 13.45 THD 2018 09 02 14 13.22 THD 2018 09 02 15 15.63 THD 2018 09 02 16 16.07 THD 2018 09 02 17 14.89 THD 2018 09 02 18 16.09 THD 2018 09 02 19 18.74 THD 2018 09 02 20 19.52 THD 2018 09 02 21 20.30 THD 2018 09 02 22 24.67 THD 2018 09 02 23 27.66 THD 2018 09 03 00 28.72 THD 2018 09 03 01 28.27 THD 2018 09 03 02 27.79 THD 2018 09 03 03 9999.99 THD 2018 09 11 21 22.98 THD 2018 09 11 22 25.33 THD 2018 09 11 23 25.78 THD 2018 09 12 00 26.63 THD 2018 09 12 01 27.17 THD 2018 09 12 02 26.45 THD 2018 09 12 03 25.36 THD 2018 09 12 04 25.23 THD 2018 09 12 05 25.29 THD 2018 09 12 06 25.23 THD 2018 09 12 07 23.95 THD 2018 09 12 08 23.35 THD 2018 09 12 09 19.06 THD 2018 09 12 10 18.50 THD 2018 09 12 11 18.42 THD 2018 09 12 12 17.12 THD 2018 09 12 13 14.67 THD 2018 09 12 14 14.08 THD 2018 09 12 15 16.97 THD 2018 09 12 16 22.58 THD 2018 09 12 17 23.07 THD 2018 09 12 18 22.47 THD 2018 09 12 19 23.06 THD 2018 09 12 20 22.79 THD 2018 09 12 21 22.70 THD 2018 09 12 22 23.32 THD 2018 09 12 23 24.52 THD 2018 09 13 00 26.52 THD 2018 09 13 01 26.32 THD 2018 09 13 02 26.01 THD 2018 09 13 03 22.82 THD 2018 09 13 04 21.35 THD 2018 09 13 05 20.07 THD 2018 09 13 06 18.29 THD 2018 09 13 07 15.67 THD 2018 09 13 08 16.81 THD 2018 09 13 09 18.58 THD 2018 09 13 10 17.94 THD 2018 09 13 11 19.68 THD 2018 09 13 12 19.96 THD 2018 09 13 13 17.48 THD 2018 09 13 14 17.74 THD 2018 09 13 15 17.89 THD 2018 09 13 16 15.36 THD 2018 09 13 17 18.04 THD 2018 09 13 18 17.13 THD 2018 09 13 19 15.95 THD 2018 09 13 20 17.22 THD 2018 09 13 21 18.73 THD 2018 09 13 22 23.83 THD 2018 09 13 23 25.16 THD 2018 09 14 00 29.24 THD 2018 09 14 01 28.68 THD 2018 09 14 02 27.57 THD 2018 09 14 03 28.95 THD 2018 09 14 04 26.53 THD 2018 09 14 05 25.19 THD 2018 09 14 06 26.72 THD 2018 09 14 07 25.74 THD 2018 09 14 08 24.75 THD 2018 09 14 09 22.05 THD 2018 09 14 10 19.16 THD 2018 09 14 11 17.23 THD 2018 09 14 12 15.79 THD 2018 09 14 13 14.98 THD 2018 09 14 14 13.37 THD 2018 09 14 15 9999.99