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 08 01 00 9999.99 TUN 2023 08 28 15 9999.99 TUN 2023 08 28 16 9999.99 TUN 2023 08 29 22 57.29 TUN 2023 08 29 23 61.76 TUN 2023 08 30 00 63.17 TUN 2023 08 30 01 61.20 TUN 2023 08 30 02 63.51 TUN 2023 08 30 03 59.55 TUN 2023 08 30 04 57.41 TUN 2023 08 30 05 53.85 TUN 2023 08 30 06 44.76 TUN 2023 08 30 07 44.48 TUN 2023 08 30 08 44.35 TUN 2023 08 30 09 45.17 TUN 2023 08 30 10 46.00 TUN 2023 08 30 11 46.35 TUN 2023 08 30 12 46.65 TUN 2023 08 30 13 45.52 TUN 2023 08 30 14 45.72 TUN 2023 08 30 15 45.38 TUN 2023 08 30 16 44.61 TUN 2023 08 30 17 44.01 TUN 2023 08 30 18 43.71 TUN 2023 08 30 19 44.08 TUN 2023 08 30 20 44.31 TUN 2023 08 30 21 44.54 TUN 2023 08 30 22 44.94 TUN 2023 08 30 23 44.57 TUN 2023 08 31 00 44.78 TUN 2023 08 31 01 45.31 TUN 2023 08 31 02 45.58 TUN 2023 08 31 03 46.69 TUN 2023 08 31 04 47.45 TUN 2023 08 31 05 47.11 TUN 2023 08 31 06 47.04 TUN 2023 08 31 07 47.37 TUN 2023 08 31 08 46.82 TUN 2023 08 31 09 47.86 TUN 2023 08 31 10 48.79 TUN 2023 08 31 11 49.07 TUN 2023 08 31 12 50.72 TUN 2023 08 31 13 50.46 TUN 2023 08 31 14 50.33 TUN 2023 08 31 15 48.37 TUN 2023 08 31 16 47.83 TUN 2023 08 31 17 47.76 TUN 2023 08 31 18 46.85 TUN 2023 08 31 19 45.47 TUN 2023 08 31 20 44.23 TUN 2023 08 31 21 42.35 TUN 2023 08 31 22 42.63 TUN 2023 08 31 23 43.75