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: 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 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) TUN 2021 02 01 00 60.41 TUN 2021 02 01 01 60.58 TUN 2021 02 01 02 60.31 TUN 2021 02 01 03 60.31 TUN 2021 02 01 04 60.42 TUN 2021 02 01 05 60.89 TUN 2021 02 01 06 61.18 TUN 2021 02 01 07 60.63 TUN 2021 02 01 08 60.61 TUN 2021 02 01 09 60.48 TUN 2021 02 01 10 60.25 TUN 2021 02 01 11 60.00 TUN 2021 02 01 12 59.92 TUN 2021 02 01 13 60.13 TUN 2021 02 01 14 60.43 TUN 2021 02 01 15 60.05 TUN 2021 02 01 16 59.52 TUN 2021 02 01 17 59.09 TUN 2021 02 01 18 58.69 TUN 2021 02 01 19 59.13 TUN 2021 02 01 20 59.78 TUN 2021 02 01 21 60.18 TUN 2021 02 01 22 62.53 TUN 2021 02 01 23 63.86 TUN 2021 02 02 00 61.94 TUN 2021 02 02 01 59.69 TUN 2021 02 02 02 56.47 TUN 2021 02 02 03 51.59 TUN 2021 02 02 04 50.41 TUN 2021 02 02 05 52.81 TUN 2021 02 02 06 53.28 TUN 2021 02 02 07 52.21 TUN 2021 02 02 08 52.65 TUN 2021 02 02 09 52.37 TUN 2021 02 02 10 53.15 TUN 2021 02 02 11 52.14 TUN 2021 02 02 12 49.32 TUN 2021 02 02 13 48.26 TUN 2021 02 02 14 44.62 TUN 2021 02 02 15 43.98 TUN 2021 02 02 16 42.95 TUN 2021 02 02 17 43.63 TUN 2021 02 02 18 45.08 TUN 2021 02 02 19 43.97 TUN 2021 02 02 20 44.88 TUN 2021 02 02 21 45.45 TUN 2021 02 02 22 45.53 TUN 2021 02 02 23 46.07 TUN 2021 02 03 00 46.40 TUN 2021 02 03 01 46.06 TUN 2021 02 03 02 46.23 TUN 2021 02 03 03 46.29 TUN 2021 02 03 04 47.46 TUN 2021 02 03 05 47.95 TUN 2021 02 03 06 47.34 TUN 2021 02 03 07 43.12 TUN 2021 02 03 08 42.07 TUN 2021 02 03 09 9999.99 TUN 2021 02 23 18 52.11 TUN 2021 02 23 19 53.26 TUN 2021 02 23 20 54.25 TUN 2021 02 23 21 55.81 TUN 2021 02 23 22 57.74 TUN 2021 02 23 23 57.93 TUN 2021 02 24 00 58.19 TUN 2021 02 24 01 58.41 TUN 2021 02 24 02 58.29 TUN 2021 02 24 03 58.12 TUN 2021 02 24 04 58.96 TUN 2021 02 24 05 59.72 TUN 2021 02 24 06 59.80 TUN 2021 02 24 07 59.97 TUN 2021 02 24 08 59.96 TUN 2021 02 24 09 60.03 TUN 2021 02 24 10 59.81 TUN 2021 02 24 11 59.82 TUN 2021 02 24 12 59.37 TUN 2021 02 24 13 58.95 TUN 2021 02 24 14 57.75 TUN 2021 02 24 15 56.80 TUN 2021 02 24 16 56.37 TUN 2021 02 24 17 56.19 TUN 2021 02 24 18 56.57 TUN 2021 02 24 19 56.84 TUN 2021 02 24 20 56.13 TUN 2021 02 24 21 53.46 TUN 2021 02 24 22 54.45 TUN 2021 02 24 23 55.61 TUN 2021 02 25 00 55.85 TUN 2021 02 25 01 55.42 TUN 2021 02 25 02 55.58 TUN 2021 02 25 03 56.84 TUN 2021 02 25 04 56.45 TUN 2021 02 25 05 55.53 TUN 2021 02 25 06 54.99 TUN 2021 02 25 07 54.10 TUN 2021 02 25 08 53.14 TUN 2021 02 25 09 52.90 TUN 2021 02 25 10 53.95 TUN 2021 02 25 11 54.29 TUN 2021 02 25 12 54.80 TUN 2021 02 25 13 55.83 TUN 2021 02 25 14 54.90 TUN 2021 02 25 15 55.02 TUN 2021 02 25 16 55.89 TUN 2021 02 25 17 56.15 TUN 2021 02 25 18 57.53 TUN 2021 02 25 19 59.72 TUN 2021 02 25 20 61.36 TUN 2021 02 25 21 63.03 TUN 2021 02 25 22 67.01 TUN 2021 02 25 23 66.80 TUN 2021 02 26 00 62.45 TUN 2021 02 26 01 61.94 TUN 2021 02 26 02 61.96 TUN 2021 02 26 03 60.69 TUN 2021 02 26 04 59.92 TUN 2021 02 26 05 59.70 TUN 2021 02 26 06 59.29 TUN 2021 02 26 07 56.95 TUN 2021 02 26 08 57.65 TUN 2021 02 26 09 58.80 TUN 2021 02 26 10 58.04 TUN 2021 02 26 11 57.11 TUN 2021 02 26 12 56.05 TUN 2021 02 26 13 56.06 TUN 2021 02 26 14 56.05 TUN 2021 02 26 15 55.89 TUN 2021 02 26 16 55.72 TUN 2021 02 26 17 55.20 TUN 2021 02 26 18 55.26 TUN 2021 02 26 19 55.49 TUN 2021 02 26 20 56.14 TUN 2021 02 26 21 56.73 TUN 2021 02 26 22 56.63 TUN 2021 02 26 23 56.04 TUN 2021 02 27 00 56.28 TUN 2021 02 27 01 55.69 TUN 2021 02 27 02 55.16 TUN 2021 02 27 03 54.41 TUN 2021 02 27 04 53.95 TUN 2021 02 27 05 53.84 TUN 2021 02 27 06 53.59 TUN 2021 02 27 07 52.43 TUN 2021 02 27 08 51.60 TUN 2021 02 27 09 51.81 TUN 2021 02 27 10 52.15 TUN 2021 02 27 11 51.70 TUN 2021 02 27 12 50.51 TUN 2021 02 27 13 49.76 TUN 2021 02 27 14 50.07 TUN 2021 02 27 15 51.66 TUN 2021 02 27 16 51.88 TUN 2021 02 27 17 52.10 TUN 2021 02 27 18 54.03 TUN 2021 02 27 19 55.91 TUN 2021 02 27 20 56.91 TUN 2021 02 27 21 57.42 TUN 2021 02 27 22 57.49 TUN 2021 02 27 23 57.21 TUN 2021 02 28 00 56.92 TUN 2021 02 28 01 57.03 TUN 2021 02 28 02 56.56 TUN 2021 02 28 03 56.15 TUN 2021 02 28 04 55.76 TUN 2021 02 28 05 54.97 TUN 2021 02 28 06 54.40 TUN 2021 02 28 07 54.11 TUN 2021 02 28 08 53.86 TUN 2021 02 28 09 53.68 TUN 2021 02 28 10 53.60 TUN 2021 02 28 11 53.28 TUN 2021 02 28 12 53.14 TUN 2021 02 28 13 52.73 TUN 2021 02 28 14 52.14 TUN 2021 02 28 15 52.12 TUN 2021 02 28 16 50.98 TUN 2021 02 28 17 50.92 TUN 2021 02 28 18 51.42 TUN 2021 02 28 19 52.86 TUN 2021 02 28 20 54.56 TUN 2021 02 28 21 55.89 TUN 2021 02 28 22 57.14 TUN 2021 02 28 23 58.30