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) TUN 2018 01 01 00 9999.99 TUN 2018 01 16 17 48.79 TUN 2018 01 16 18 48.54 TUN 2018 01 16 19 50.86 TUN 2018 01 16 20 52.21 TUN 2018 01 16 21 62.00 TUN 2018 01 16 22 63.01 TUN 2018 01 16 23 62.70 TUN 2018 01 17 00 62.00 TUN 2018 01 17 01 62.26 TUN 2018 01 17 02 61.88 TUN 2018 01 17 03 60.89 TUN 2018 01 17 04 61.08 TUN 2018 01 17 05 61.78 TUN 2018 01 17 06 61.32 TUN 2018 01 17 07 61.53 TUN 2018 01 17 08 62.22 TUN 2018 01 17 09 62.11 TUN 2018 01 17 10 61.39 TUN 2018 01 17 11 60.43 TUN 2018 01 17 12 59.25 TUN 2018 01 17 13 60.10 TUN 2018 01 17 14 58.85 TUN 2018 01 17 15 55.59 TUN 2018 01 17 16 52.60 TUN 2018 01 17 17 52.77 TUN 2018 01 17 18 51.62 TUN 2018 01 17 19 52.19 TUN 2018 01 17 20 53.90 TUN 2018 01 17 21 54.97 TUN 2018 01 17 22 56.02 TUN 2018 01 17 23 55.84 TUN 2018 01 18 00 55.76 TUN 2018 01 18 01 55.36 TUN 2018 01 18 02 54.75 TUN 2018 01 18 03 53.56 TUN 2018 01 18 04 53.68 TUN 2018 01 18 05 53.28 TUN 2018 01 18 06 53.59 TUN 2018 01 18 07 54.67 TUN 2018 01 18 08 56.26 TUN 2018 01 18 09 59.61 TUN 2018 01 18 10 60.09 TUN 2018 01 18 11 61.46 TUN 2018 01 18 12 65.35 TUN 2018 01 18 13 64.18 TUN 2018 01 18 14 59.57 TUN 2018 01 18 15 56.46 TUN 2018 01 18 16 54.23 TUN 2018 01 18 17 51.61 TUN 2018 01 18 18 51.30 TUN 2018 01 18 19 52.23 TUN 2018 01 18 20 54.74 TUN 2018 01 18 21 54.61 TUN 2018 01 18 22 54.41 TUN 2018 01 18 23 55.28 TUN 2018 01 19 00 54.31 TUN 2018 01 19 01 53.96 TUN 2018 01 19 02 56.53 TUN 2018 01 19 03 55.19 TUN 2018 01 19 04 53.49 TUN 2018 01 19 05 52.74 TUN 2018 01 19 06 53.08 TUN 2018 01 19 07 53.66 TUN 2018 01 19 08 53.41 TUN 2018 01 19 09 52.99 TUN 2018 01 19 10 51.97 TUN 2018 01 19 11 51.37 TUN 2018 01 19 12 51.23 TUN 2018 01 19 13 52.53 TUN 2018 01 19 14 50.68 TUN 2018 01 19 15 50.33 TUN 2018 01 19 16 48.82 TUN 2018 01 19 17 47.50 TUN 2018 01 19 18 47.59 TUN 2018 01 19 19 50.30 TUN 2018 01 19 20 51.93 TUN 2018 01 19 21 52.17 TUN 2018 01 19 22 52.56 TUN 2018 01 19 23 52.54 TUN 2018 01 20 00 52.89 TUN 2018 01 20 01 53.03 TUN 2018 01 20 02 53.69 TUN 2018 01 20 03 53.37 TUN 2018 01 20 04 52.76 TUN 2018 01 20 05 52.86 TUN 2018 01 20 06 52.65 TUN 2018 01 20 07 52.26 TUN 2018 01 20 08 51.33 TUN 2018 01 20 09 50.47 TUN 2018 01 20 10 50.01 TUN 2018 01 20 11 49.54 TUN 2018 01 20 12 49.47 TUN 2018 01 20 13 49.43 TUN 2018 01 20 14 49.38 TUN 2018 01 20 15 48.54 TUN 2018 01 20 16 48.51 TUN 2018 01 20 17 49.43 TUN 2018 01 20 18 49.59 TUN 2018 01 20 19 50.67 TUN 2018 01 20 20 50.46 TUN 2018 01 20 21 50.08 TUN 2018 01 20 22 45.42 TUN 2018 01 20 23 44.54 TUN 2018 01 21 00 43.50 TUN 2018 01 21 01 42.97 TUN 2018 01 21 02 42.63 TUN 2018 01 21 03 44.29 TUN 2018 01 21 04 47.79 TUN 2018 01 21 05 45.47 TUN 2018 01 21 06 40.79 TUN 2018 01 21 07 39.46 TUN 2018 01 21 08 48.85 TUN 2018 01 21 09 42.70 TUN 2018 01 21 10 32.95 TUN 2018 01 21 11 35.79 TUN 2018 01 21 12 43.76 TUN 2018 01 21 13 47.21 TUN 2018 01 21 14 47.31 TUN 2018 01 21 15 48.15 TUN 2018 01 21 16 46.61 TUN 2018 01 21 17 46.23 TUN 2018 01 21 18 45.78 TUN 2018 01 21 19 48.57 TUN 2018 01 21 20 49.56 TUN 2018 01 21 21 48.94 TUN 2018 01 21 22 49.72 TUN 2018 01 21 23 51.88 TUN 2018 01 22 00 52.65 TUN 2018 01 22 01 53.53 TUN 2018 01 22 02 53.77 TUN 2018 01 22 03 53.68 TUN 2018 01 22 04 52.37 TUN 2018 01 22 05 51.96 TUN 2018 01 22 06 51.77 TUN 2018 01 22 07 52.01 TUN 2018 01 22 08 52.48 TUN 2018 01 22 09 52.41 TUN 2018 01 22 10 52.16 TUN 2018 01 22 11 50.82 TUN 2018 01 22 12 49.84 TUN 2018 01 22 13 49.14 TUN 2018 01 22 14 48.18 TUN 2018 01 22 15 47.98 TUN 2018 01 22 16 48.14 TUN 2018 01 22 17 48.93 TUN 2018 01 22 18 50.21 TUN 2018 01 22 19 51.57 TUN 2018 01 22 20 52.95 TUN 2018 01 22 21 53.54 TUN 2018 01 22 22 54.73 TUN 2018 01 22 23 55.55 TUN 2018 01 23 00 56.73 TUN 2018 01 23 01 55.76 TUN 2018 01 23 02 54.63 TUN 2018 01 23 03 52.44 TUN 2018 01 23 04 51.80 TUN 2018 01 23 05 51.77 TUN 2018 01 23 06 51.18 TUN 2018 01 23 07 50.23 TUN 2018 01 23 08 49.25 TUN 2018 01 23 09 49.99 TUN 2018 01 23 10 50.73 TUN 2018 01 23 11 51.35 TUN 2018 01 23 12 52.16 TUN 2018 01 23 13 51.93 TUN 2018 01 23 14 50.80 TUN 2018 01 23 15 49.63 TUN 2018 01 23 16 50.02 TUN 2018 01 23 17 50.00 TUN 2018 01 23 18 50.27 TUN 2018 01 23 19 50.26 TUN 2018 01 23 20 50.07 TUN 2018 01 23 21 52.01 TUN 2018 01 23 22 53.26 TUN 2018 01 23 23 54.38 TUN 2018 01 24 00 54.74 TUN 2018 01 24 01 54.13 TUN 2018 01 24 02 53.10 TUN 2018 01 24 03 52.13 TUN 2018 01 24 04 52.20 TUN 2018 01 24 05 51.94 TUN 2018 01 24 06 51.40 TUN 2018 01 24 07 51.26 TUN 2018 01 24 08 50.81 TUN 2018 01 24 09 50.17 TUN 2018 01 24 10 49.25 TUN 2018 01 24 11 49.07 TUN 2018 01 24 12 48.66 TUN 2018 01 24 13 47.47 TUN 2018 01 24 14 47.24 TUN 2018 01 24 15 47.11 TUN 2018 01 24 16 46.12 TUN 2018 01 24 17 47.06 TUN 2018 01 24 18 48.13 TUN 2018 01 24 19 49.46 TUN 2018 01 24 20 50.40 TUN 2018 01 24 21 52.13 TUN 2018 01 24 22 53.27 TUN 2018 01 24 23 54.04 TUN 2018 01 25 00 54.35 TUN 2018 01 25 01 53.36 TUN 2018 01 25 02 52.03 TUN 2018 01 25 03 51.03 TUN 2018 01 25 04 50.94 TUN 2018 01 25 05 51.25 TUN 2018 01 25 06 51.26 TUN 2018 01 25 07 51.59 TUN 2018 01 25 08 52.09 TUN 2018 01 25 09 52.63 TUN 2018 01 25 10 52.93 TUN 2018 01 25 11 53.18 TUN 2018 01 25 12 53.28 TUN 2018 01 25 13 52.27 TUN 2018 01 25 14 51.46 TUN 2018 01 25 15 51.28 TUN 2018 01 25 16 49.84 TUN 2018 01 25 17 47.66 TUN 2018 01 25 18 54.75 TUN 2018 01 25 19 55.53 TUN 2018 01 25 20 55.43 TUN 2018 01 25 21 56.47 TUN 2018 01 25 22 56.82 TUN 2018 01 25 23 57.54 TUN 2018 01 26 00 57.47 TUN 2018 01 26 01 56.69 TUN 2018 01 26 02 56.19 TUN 2018 01 26 03 56.20 TUN 2018 01 26 04 56.72 TUN 2018 01 26 05 56.25 TUN 2018 01 26 06 53.42 TUN 2018 01 26 07 50.39 TUN 2018 01 26 08 49.77 TUN 2018 01 26 09 49.36 TUN 2018 01 26 10 49.20 TUN 2018 01 26 11 49.10 TUN 2018 01 26 12 48.69 TUN 2018 01 26 13 50.26 TUN 2018 01 26 14 52.40 TUN 2018 01 26 15 52.55 TUN 2018 01 26 16 51.83 TUN 2018 01 26 17 51.32 TUN 2018 01 26 18 51.44 TUN 2018 01 26 19 51.78 TUN 2018 01 26 20 51.18 TUN 2018 01 26 21 42.62 TUN 2018 01 26 22 50.80 TUN 2018 01 26 23 49.86 TUN 2018 01 27 00 50.36 TUN 2018 01 27 01 49.97 TUN 2018 01 27 02 49.61 TUN 2018 01 27 03 49.62 TUN 2018 01 27 04 50.34 TUN 2018 01 27 05 49.94 TUN 2018 01 27 06 49.46 TUN 2018 01 27 07 48.45 TUN 2018 01 27 08 47.85 TUN 2018 01 27 09 47.41 TUN 2018 01 27 10 47.14 TUN 2018 01 27 11 46.92 TUN 2018 01 27 12 47.01 TUN 2018 01 27 13 46.61 TUN 2018 01 27 14 47.00 TUN 2018 01 27 15 47.35 TUN 2018 01 27 16 48.60 TUN 2018 01 27 17 48.04 TUN 2018 01 27 18 48.96 TUN 2018 01 27 19 48.38 TUN 2018 01 27 20 50.01 TUN 2018 01 27 21 51.45 TUN 2018 01 27 22 51.27 TUN 2018 01 27 23 50.14 TUN 2018 01 28 00 49.86 TUN 2018 01 28 01 49.63 TUN 2018 01 28 02 48.71 TUN 2018 01 28 03 48.38 TUN 2018 01 28 04 48.12 TUN 2018 01 28 05 47.74 TUN 2018 01 28 06 47.92 TUN 2018 01 28 07 47.52 TUN 2018 01 28 08 47.21 TUN 2018 01 28 09 47.27 TUN 2018 01 28 10 46.92 TUN 2018 01 28 11 46.53 TUN 2018 01 28 12 45.98 TUN 2018 01 28 13 45.08 TUN 2018 01 28 14 44.25 TUN 2018 01 28 15 43.35 TUN 2018 01 28 16 43.17 TUN 2018 01 28 17 42.70 TUN 2018 01 28 18 42.76 TUN 2018 01 28 19 42.49 TUN 2018 01 28 20 42.74 TUN 2018 01 28 21 43.01 TUN 2018 01 28 22 43.42 TUN 2018 01 28 23 44.57 TUN 2018 01 29 00 44.43 TUN 2018 01 29 01 43.81 TUN 2018 01 29 02 43.43 TUN 2018 01 29 03 43.55 TUN 2018 01 29 04 43.58 TUN 2018 01 29 05 43.35 TUN 2018 01 29 06 42.85 TUN 2018 01 29 07 42.65 TUN 2018 01 29 08 43.03 TUN 2018 01 29 09 43.75 TUN 2018 01 29 10 43.62 TUN 2018 01 29 11 43.45 TUN 2018 01 29 12 43.34 TUN 2018 01 29 13 43.64 TUN 2018 01 29 14 43.66 TUN 2018 01 29 15 43.22 TUN 2018 01 29 16 43.44 TUN 2018 01 29 17 43.01 TUN 2018 01 29 18 43.46 TUN 2018 01 29 19 45.01 TUN 2018 01 29 20 47.08 TUN 2018 01 29 21 48.78 TUN 2018 01 29 22 50.16 TUN 2018 01 29 23 52.42 TUN 2018 01 30 00 52.54 TUN 2018 01 30 01 51.41 TUN 2018 01 30 02 51.14 TUN 2018 01 30 03 51.70 TUN 2018 01 30 04 51.93 TUN 2018 01 30 05 53.06 TUN 2018 01 30 06 55.52 TUN 2018 01 30 07 56.04 TUN 2018 01 30 08 56.66 TUN 2018 01 30 09 56.80 TUN 2018 01 30 10 56.33 TUN 2018 01 30 11 57.59 TUN 2018 01 30 12 57.97 TUN 2018 01 30 13 56.58 TUN 2018 01 30 14 56.35 TUN 2018 01 30 15 55.12 TUN 2018 01 30 16 54.73 TUN 2018 01 30 17 54.65 TUN 2018 01 30 18 53.91 TUN 2018 01 30 19 52.88 TUN 2018 01 30 20 54.71 TUN 2018 01 30 21 55.68 TUN 2018 01 30 22 55.29 TUN 2018 01 30 23 54.15 TUN 2018 01 31 00 52.40 TUN 2018 01 31 01 51.21 TUN 2018 01 31 02 51.13 TUN 2018 01 31 03 51.87 TUN 2018 01 31 04 52.30 TUN 2018 01 31 05 52.60 TUN 2018 01 31 06 52.75 TUN 2018 01 31 07 52.67 TUN 2018 01 31 08 52.28 TUN 2018 01 31 09 52.45 TUN 2018 01 31 10 52.49 TUN 2018 01 31 11 52.33 TUN 2018 01 31 12 51.73 TUN 2018 01 31 13 51.65 TUN 2018 01 31 14 50.68 TUN 2018 01 31 15 49.62 TUN 2018 01 31 16 49.32 TUN 2018 01 31 17 50.01 TUN 2018 01 31 18 50.59 TUN 2018 01 31 19 50.25 TUN 2018 01 31 20 47.69 TUN 2018 01 31 21 47.11 TUN 2018 01 31 22 46.69 TUN 2018 01 31 23 47.27