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 enure the quality and limitation of the data are represented. Data Disclaimer: Data has undergone extensive quality checks and is available from NOAA-GML and WDCGG. However, there still exists the potential for these data to be modified at the discretion of NOAA/ESRL Gloabl Monitoring Laboratory. If you have any questions regarding the data in this file, please contact: Irina Petropavlovskikh: Irina.Petro@noaa.gov | (303)-497-6279 Peter Effertz: Peter.effertz@noaa.gov | (720) 314-8380 Please use the following citation for data use: McClure-Begley, A., Petropavlovskikh, I., Oltmans, S., (2014) NOAA GLobal Monitoring Surface Ozone Netowrk. Station name, Time start-Time end. National Oceanic and Atmospheric Administration, Earth Systems Research Labortory Global Monitoring Laboratory. Boulder, CO. DATE ACCESSED http://dx.doi.org/10.7289/V57P8WBF STN YEAR MON DAY HR O3(PPB) TUN 2023 03 01 00 9999.99 TUN 2023 03 28 20 9999.99 TUN 2023 03 28 21 47.36 TUN 2023 03 28 22 47.93 TUN 2023 03 28 23 49.18 TUN 2023 03 29 00 50.49 TUN 2023 03 29 01 50.13 TUN 2023 03 29 02 48.99 TUN 2023 03 29 03 49.95 TUN 2023 03 29 04 51.56 TUN 2023 03 29 05 51.50 TUN 2023 03 29 06 50.68 TUN 2023 03 29 07 49.68 TUN 2023 03 29 08 48.98 TUN 2023 03 29 09 47.22 TUN 2023 03 29 10 46.72 TUN 2023 03 29 11 47.18 TUN 2023 03 29 12 46.67 TUN 2023 03 29 13 46.78 TUN 2023 03 29 14 46.45 TUN 2023 03 29 15 44.75 TUN 2023 03 29 16 44.64 TUN 2023 03 29 17 46.20 TUN 2023 03 29 18 47.45 TUN 2023 03 29 19 48.85 TUN 2023 03 29 20 49.44 TUN 2023 03 29 21 49.05 TUN 2023 03 29 22 48.94 TUN 2023 03 29 23 49.78 TUN 2023 03 30 00 51.01 TUN 2023 03 30 01 51.73 TUN 2023 03 30 02 52.04 TUN 2023 03 30 03 52.01 TUN 2023 03 30 04 53.69 TUN 2023 03 30 05 53.45 TUN 2023 03 30 06 52.82 TUN 2023 03 30 07 53.01 TUN 2023 03 30 08 53.44 TUN 2023 03 30 09 54.43 TUN 2023 03 30 10 55.32 TUN 2023 03 30 11 56.39 TUN 2023 03 30 12 56.38 TUN 2023 03 30 13 55.66 TUN 2023 03 30 14 54.76 TUN 2023 03 30 15 53.63 TUN 2023 03 30 16 53.10 TUN 2023 03 30 17 52.75 TUN 2023 03 30 18 53.23 TUN 2023 03 30 19 54.19 TUN 2023 03 30 20 54.10 TUN 2023 03 30 21 52.97 TUN 2023 03 30 22 54.89 TUN 2023 03 30 23 51.60 TUN 2023 03 31 00 53.28 TUN 2023 03 31 01 52.89 TUN 2023 03 31 02 52.84 TUN 2023 03 31 03 55.28 TUN 2023 03 31 04 55.73 TUN 2023 03 31 05 55.07 TUN 2023 03 31 06 54.23 TUN 2023 03 31 07 53.37 TUN 2023 03 31 08 53.10 TUN 2023 03 31 09 51.67 TUN 2023 03 31 10 50.73 TUN 2023 03 31 11 50.13 TUN 2023 03 31 12 49.70 TUN 2023 03 31 13 49.03 TUN 2023 03 31 14 48.27 TUN 2023 03 31 15 47.86 TUN 2023 03 31 16 47.17 TUN 2023 03 31 17 46.62 TUN 2023 03 31 18 45.61 TUN 2023 03 31 19 45.29 TUN 2023 03 31 20 45.08 TUN 2023 03 31 21 44.63 TUN 2023 03 31 22 43.85 TUN 2023 03 31 23 44.66