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-GMD 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 Audra McClure_Begley: Audra.mcclure@noaa.gov Peter Effertz: Peter.effertz@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 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 2021 09 01 00 78.33 TUN 2021 09 01 01 79.77 TUN 2021 09 01 02 79.20 TUN 2021 09 01 03 77.61 TUN 2021 09 01 04 75.82 TUN 2021 09 01 05 73.04 TUN 2021 09 01 06 71.00 TUN 2021 09 01 07 69.63 TUN 2021 09 01 08 67.63 TUN 2021 09 01 09 66.15 TUN 2021 09 01 10 66.06 TUN 2021 09 01 11 65.02 TUN 2021 09 01 12 9999.99 TUN 2021 09 21 16 58.01 TUN 2021 09 21 17 58.71 TUN 2021 09 21 18 60.19 TUN 2021 09 21 19 61.28 TUN 2021 09 21 20 65.44 TUN 2021 09 21 21 67.29 TUN 2021 09 21 22 67.67 TUN 2021 09 21 23 67.20 TUN 2021 09 22 00 67.19 TUN 2021 09 22 01 66.65 TUN 2021 09 22 02 64.15 TUN 2021 09 22 03 64.83 TUN 2021 09 22 04 63.74 TUN 2021 09 22 05 63.07 TUN 2021 09 22 06 64.48 TUN 2021 09 22 07 65.42 TUN 2021 09 22 08 55.24 TUN 2021 09 22 09 52.26 TUN 2021 09 22 10 50.25 TUN 2021 09 22 11 50.77 TUN 2021 09 22 12 53.33 TUN 2021 09 22 13 48.65 TUN 2021 09 22 14 45.37 TUN 2021 09 22 15 43.05 TUN 2021 09 22 16 48.08 TUN 2021 09 22 17 48.29 TUN 2021 09 22 18 47.05 TUN 2021 09 22 19 48.62 TUN 2021 09 22 20 52.93 TUN 2021 09 22 21 54.48 TUN 2021 09 22 22 55.82 TUN 2021 09 22 23 56.21 TUN 2021 09 23 00 56.11 TUN 2021 09 23 01 56.68 TUN 2021 09 23 02 57.18 TUN 2021 09 23 03 57.42 TUN 2021 09 23 04 57.99 TUN 2021 09 23 05 60.80 TUN 2021 09 23 06 60.97 TUN 2021 09 23 07 59.91 TUN 2021 09 23 08 60.54 TUN 2021 09 23 09 59.13 TUN 2021 09 23 10 57.19 TUN 2021 09 23 11 56.69 TUN 2021 09 23 12 58.98 TUN 2021 09 23 13 60.05 TUN 2021 09 23 14 59.54 TUN 2021 09 23 15 57.89 TUN 2021 09 23 16 55.27 TUN 2021 09 23 17 54.52 TUN 2021 09 23 18 54.82 TUN 2021 09 23 19 55.72 TUN 2021 09 23 20 65.01 TUN 2021 09 23 21 68.29 TUN 2021 09 23 22 72.36 TUN 2021 09 23 23 72.05 TUN 2021 09 24 00 68.12 TUN 2021 09 24 01 64.18 TUN 2021 09 24 02 61.98 TUN 2021 09 24 03 65.99 TUN 2021 09 24 04 67.26 TUN 2021 09 24 05 69.90 TUN 2021 09 24 06 67.94 TUN 2021 09 24 07 62.10 TUN 2021 09 24 08 60.21 TUN 2021 09 24 09 60.90 TUN 2021 09 24 10 61.45 TUN 2021 09 24 11 61.30 TUN 2021 09 24 12 61.32 TUN 2021 09 24 13 60.56 TUN 2021 09 24 14 58.94 TUN 2021 09 24 15 60.17 TUN 2021 09 24 16 59.63 TUN 2021 09 24 17 58.58 TUN 2021 09 24 18 58.81 TUN 2021 09 24 19 60.18 TUN 2021 09 24 20 60.18 TUN 2021 09 24 21 60.01 TUN 2021 09 24 22 60.92 TUN 2021 09 24 23 63.16 TUN 2021 09 25 00 65.52 TUN 2021 09 25 01 65.56 TUN 2021 09 25 02 64.90 TUN 2021 09 25 03 66.76 TUN 2021 09 25 04 66.32 TUN 2021 09 25 05 65.24 TUN 2021 09 25 06 65.01 TUN 2021 09 25 07 67.42 TUN 2021 09 25 08 67.39 TUN 2021 09 25 09 67.36 TUN 2021 09 25 10 67.84 TUN 2021 09 25 11 67.26 TUN 2021 09 25 12 67.62 TUN 2021 09 25 13 66.72 TUN 2021 09 25 14 65.66 TUN 2021 09 25 15 64.65 TUN 2021 09 25 16 63.68 TUN 2021 09 25 17 62.91 TUN 2021 09 25 18 63.15 TUN 2021 09 25 19 63.02 TUN 2021 09 25 20 61.90 TUN 2021 09 25 21 60.77 TUN 2021 09 25 22 61.03 TUN 2021 09 25 23 61.75 TUN 2021 09 26 00 62.41 TUN 2021 09 26 01 62.30 TUN 2021 09 26 02 61.69 TUN 2021 09 26 03 64.93 TUN 2021 09 26 04 65.41 TUN 2021 09 26 05 63.50 TUN 2021 09 26 06 62.17 TUN 2021 09 26 07 62.79 TUN 2021 09 26 08 63.45 TUN 2021 09 26 09 65.75 TUN 2021 09 26 10 65.33 TUN 2021 09 26 11 65.37 TUN 2021 09 26 12 66.01 TUN 2021 09 26 13 65.02 TUN 2021 09 26 14 65.56 TUN 2021 09 26 15 65.04 TUN 2021 09 26 16 63.30 TUN 2021 09 26 17 62.57 TUN 2021 09 26 18 62.26 TUN 2021 09 26 19 60.53 TUN 2021 09 26 20 57.48 TUN 2021 09 26 21 57.77 TUN 2021 09 26 22 68.86 TUN 2021 09 26 23 73.21 TUN 2021 09 27 00 73.14 TUN 2021 09 27 01 74.24 TUN 2021 09 27 02 73.77 TUN 2021 09 27 03 74.39 TUN 2021 09 27 04 71.83 TUN 2021 09 27 05 68.66 TUN 2021 09 27 06 66.62 TUN 2021 09 27 07 65.93 TUN 2021 09 27 08 66.66 TUN 2021 09 27 09 67.52 TUN 2021 09 27 10 67.77 TUN 2021 09 27 11 66.90 TUN 2021 09 27 12 66.38 TUN 2021 09 27 13 65.28 TUN 2021 09 27 14 64.28 TUN 2021 09 27 15 63.89 TUN 2021 09 27 16 63.91 TUN 2021 09 27 17 63.29 TUN 2021 09 27 18 62.45 TUN 2021 09 27 19 66.02 TUN 2021 09 27 20 68.76 TUN 2021 09 27 21 69.77 TUN 2021 09 27 22 72.03 TUN 2021 09 27 23 73.72 TUN 2021 09 28 00 73.19 TUN 2021 09 28 01 65.59 TUN 2021 09 28 02 61.33 TUN 2021 09 28 03 58.83 TUN 2021 09 28 04 57.35 TUN 2021 09 28 05 56.52 TUN 2021 09 28 06 56.84 TUN 2021 09 28 07 56.30 TUN 2021 09 28 08 55.57 TUN 2021 09 28 09 55.39 TUN 2021 09 28 10 55.34 TUN 2021 09 28 11 53.12 TUN 2021 09 28 12 54.88 TUN 2021 09 28 13 56.95 TUN 2021 09 28 14 57.90 TUN 2021 09 28 15 58.89 TUN 2021 09 28 16 59.94 TUN 2021 09 28 17 60.62 TUN 2021 09 28 18 62.14 TUN 2021 09 28 19 65.47 TUN 2021 09 28 20 61.62 TUN 2021 09 28 21 62.89 TUN 2021 09 28 22 64.53 TUN 2021 09 28 23 67.11 TUN 2021 09 29 00 66.42 TUN 2021 09 29 01 63.87 TUN 2021 09 29 02 62.37 TUN 2021 09 29 03 61.05 TUN 2021 09 29 04 60.89 TUN 2021 09 29 05 58.43 TUN 2021 09 29 06 57.88 TUN 2021 09 29 07 59.89 TUN 2021 09 29 08 55.84 TUN 2021 09 29 09 55.68 TUN 2021 09 29 10 55.91 TUN 2021 09 29 11 55.56 TUN 2021 09 29 12 55.05 TUN 2021 09 29 13 58.45 TUN 2021 09 29 14 54.87 TUN 2021 09 29 15 52.46 TUN 2021 09 29 16 53.95 TUN 2021 09 29 17 57.26 TUN 2021 09 29 18 58.54 TUN 2021 09 29 19 53.84 TUN 2021 09 29 20 57.47 TUN 2021 09 29 21 56.06 TUN 2021 09 29 22 54.37 TUN 2021 09 29 23 49.96 TUN 2021 09 30 00 49.81 TUN 2021 09 30 01 50.67 TUN 2021 09 30 02 45.55 TUN 2021 09 30 03 52.41 TUN 2021 09 30 04 53.97 TUN 2021 09 30 05 52.14 TUN 2021 09 30 06 52.26 TUN 2021 09 30 07 48.63 TUN 2021 09 30 08 47.16 TUN 2021 09 30 09 38.22 TUN 2021 09 30 10 42.39 TUN 2021 09 30 11 52.23 TUN 2021 09 30 12 52.46 TUN 2021 09 30 13 52.42 TUN 2021 09 30 14 53.01 TUN 2021 09 30 15 52.57 TUN 2021 09 30 16 53.48 TUN 2021 09 30 17 53.82 TUN 2021 09 30 18 55.80 TUN 2021 09 30 19 53.11 TUN 2021 09 30 20 47.94 TUN 2021 09 30 21 40.04 TUN 2021 09 30 22 48.19 TUN 2021 09 30 23 43.27