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 2017 03 01 00 26.47 TUN 2017 03 01 01 25.30 TUN 2017 03 01 02 25.24 TUN 2017 03 01 03 25.63 TUN 2017 03 01 04 28.91 TUN 2017 03 01 05 33.65 TUN 2017 03 01 06 36.23 TUN 2017 03 01 07 38.08 TUN 2017 03 01 08 37.98 TUN 2017 03 01 09 38.18 TUN 2017 03 01 10 35.39 TUN 2017 03 01 11 35.99 TUN 2017 03 01 12 36.55 TUN 2017 03 01 13 38.38 TUN 2017 03 01 14 38.99 TUN 2017 03 01 15 38.45 TUN 2017 03 01 16 38.99 TUN 2017 03 01 17 39.91 TUN 2017 03 01 18 39.69 TUN 2017 03 01 19 38.07 TUN 2017 03 01 20 35.95 TUN 2017 03 01 21 34.33 TUN 2017 03 01 22 32.47 TUN 2017 03 01 23 33.14 TUN 2017 03 02 00 34.18 TUN 2017 03 02 01 33.24 TUN 2017 03 02 02 34.49 TUN 2017 03 02 03 34.61 TUN 2017 03 02 04 36.70 TUN 2017 03 02 05 39.56 TUN 2017 03 02 06 38.79 TUN 2017 03 02 07 37.32 TUN 2017 03 02 08 36.25 TUN 2017 03 02 09 37.18 TUN 2017 03 02 10 37.45 TUN 2017 03 02 11 36.87 TUN 2017 03 02 12 36.59 TUN 2017 03 02 13 37.34 TUN 2017 03 02 14 39.18 TUN 2017 03 02 15 40.90 TUN 2017 03 02 16 40.86 TUN 2017 03 02 17 41.52 TUN 2017 03 02 18 40.34 TUN 2017 03 02 19 39.26 TUN 2017 03 02 20 37.48 TUN 2017 03 02 21 36.80 TUN 2017 03 02 22 36.60 TUN 2017 03 02 23 37.63 TUN 2017 03 03 00 37.29 TUN 2017 03 03 01 38.40 TUN 2017 03 03 02 38.83 TUN 2017 03 03 03 36.96 TUN 2017 03 03 04 37.34 TUN 2017 03 03 05 35.87 TUN 2017 03 03 06 35.63 TUN 2017 03 03 07 36.33 TUN 2017 03 03 08 38.31 TUN 2017 03 03 09 38.35 TUN 2017 03 03 10 38.77 TUN 2017 03 03 11 41.48 TUN 2017 03 03 12 44.24 TUN 2017 03 03 13 45.57 TUN 2017 03 03 14 45.60 TUN 2017 03 03 15 46.76 TUN 2017 03 03 16 47.08 TUN 2017 03 03 17 46.81 TUN 2017 03 03 18 43.40 TUN 2017 03 03 19 39.44 TUN 2017 03 03 20 40.26 TUN 2017 03 03 21 39.05 TUN 2017 03 03 22 37.03 TUN 2017 03 03 23 36.89 TUN 2017 03 04 00 38.42 TUN 2017 03 04 01 38.62 TUN 2017 03 04 02 37.39 TUN 2017 03 04 03 36.89 TUN 2017 03 04 04 36.29 TUN 2017 03 04 05 35.10 TUN 2017 03 04 06 36.09 TUN 2017 03 04 07 39.35 TUN 2017 03 04 08 40.90 TUN 2017 03 04 09 41.41 TUN 2017 03 04 10 40.39 TUN 2017 03 04 11 39.38 TUN 2017 03 04 12 40.50 TUN 2017 03 04 13 42.56 TUN 2017 03 04 14 43.75 TUN 2017 03 04 15 43.36 TUN 2017 03 04 16 39.79 TUN 2017 03 04 17 35.69 TUN 2017 03 04 18 32.34 TUN 2017 03 04 19 30.79 TUN 2017 03 04 20 31.04 TUN 2017 03 04 21 32.95 TUN 2017 03 04 22 33.23 TUN 2017 03 04 23 36.17 TUN 2017 03 05 00 37.09 TUN 2017 03 05 01 40.75 TUN 2017 03 05 02 39.90 TUN 2017 03 05 03 35.29 TUN 2017 03 05 04 35.51 TUN 2017 03 05 05 37.93 TUN 2017 03 05 06 36.51 TUN 2017 03 05 07 36.65 TUN 2017 03 05 08 38.87 TUN 2017 03 05 09 40.51 TUN 2017 03 05 10 45.73 TUN 2017 03 05 11 48.03 TUN 2017 03 05 12 48.67 TUN 2017 03 05 13 49.34 TUN 2017 03 05 14 50.74 TUN 2017 03 05 15 50.18 TUN 2017 03 05 16 47.91 TUN 2017 03 05 17 40.08 TUN 2017 03 05 18 33.92 TUN 2017 03 05 19 35.28 TUN 2017 03 05 20 40.40 TUN 2017 03 05 21 47.71 TUN 2017 03 05 22 44.30 TUN 2017 03 05 23 43.02 TUN 2017 03 06 00 44.64 TUN 2017 03 06 01 45.03 TUN 2017 03 06 02 46.68 TUN 2017 03 06 03 45.20 TUN 2017 03 06 04 44.63 TUN 2017 03 06 05 44.60 TUN 2017 03 06 06 44.10 TUN 2017 03 06 07 43.68 TUN 2017 03 06 08 38.20 TUN 2017 03 06 09 36.23 TUN 2017 03 06 10 38.53 TUN 2017 03 06 11 39.85 TUN 2017 03 06 12 39.52 TUN 2017 03 06 13 32.21 TUN 2017 03 06 14 29.02 TUN 2017 03 06 15 27.49 TUN 2017 03 06 16 29.69 TUN 2017 03 06 17 31.59 TUN 2017 03 06 18 35.14 TUN 2017 03 06 19 39.73 TUN 2017 03 06 20 39.06 TUN 2017 03 06 21 39.33 TUN 2017 03 06 22 39.10 TUN 2017 03 06 23 34.86 TUN 2017 03 07 00 30.97 TUN 2017 03 07 01 28.18 TUN 2017 03 07 02 27.29 TUN 2017 03 07 03 28.87 TUN 2017 03 07 04 30.13 TUN 2017 03 07 05 33.22 TUN 2017 03 07 06 33.57 TUN 2017 03 07 07 32.29 TUN 2017 03 07 08 31.41 TUN 2017 03 07 09 31.10 TUN 2017 03 07 10 30.85 TUN 2017 03 07 11 30.84 TUN 2017 03 07 12 31.65 TUN 2017 03 07 13 33.65 TUN 2017 03 07 14 36.24 TUN 2017 03 07 15 38.44 TUN 2017 03 07 16 39.84 TUN 2017 03 07 17 41.15 TUN 2017 03 07 18 42.23 TUN 2017 03 07 19 39.93 TUN 2017 03 07 20 38.11 TUN 2017 03 07 21 36.23 TUN 2017 03 07 22 36.40 TUN 2017 03 07 23 39.20 TUN 2017 03 08 00 40.16 TUN 2017 03 08 01 40.87 TUN 2017 03 08 02 38.99 TUN 2017 03 08 03 36.93 TUN 2017 03 08 04 37.61 TUN 2017 03 08 05 35.50 TUN 2017 03 08 06 34.99 TUN 2017 03 08 07 35.27 TUN 2017 03 08 08 38.86 TUN 2017 03 08 09 44.60 TUN 2017 03 08 10 45.31 TUN 2017 03 08 11 42.19 TUN 2017 03 08 12 40.74 TUN 2017 03 08 13 39.13 TUN 2017 03 08 14 37.98 TUN 2017 03 08 15 39.93 TUN 2017 03 08 16 40.20 TUN 2017 03 08 17 36.86 TUN 2017 03 08 18 35.02 TUN 2017 03 08 19 34.85 TUN 2017 03 08 20 32.43 TUN 2017 03 08 21 32.34 TUN 2017 03 08 22 34.22 TUN 2017 03 08 23 35.56 TUN 2017 03 09 00 37.40 TUN 2017 03 09 01 40.41 TUN 2017 03 09 02 38.12 TUN 2017 03 09 03 36.33 TUN 2017 03 09 04 31.48 TUN 2017 03 09 05 33.58 TUN 2017 03 09 06 42.32 TUN 2017 03 09 07 44.92 TUN 2017 03 09 08 45.60 TUN 2017 03 09 09 45.40 TUN 2017 03 09 10 44.33 TUN 2017 03 09 11 43.42 TUN 2017 03 09 12 42.33 TUN 2017 03 09 13 41.84 TUN 2017 03 09 14 40.90 TUN 2017 03 09 15 40.81 TUN 2017 03 09 16 44.10 TUN 2017 03 09 17 41.16 TUN 2017 03 09 18 36.96 TUN 2017 03 09 19 34.91 TUN 2017 03 09 20 33.70 TUN 2017 03 09 21 31.68 TUN 2017 03 09 22 29.99 TUN 2017 03 09 23 29.31 TUN 2017 03 10 00 29.62 TUN 2017 03 10 01 25.64 TUN 2017 03 10 02 25.92 TUN 2017 03 10 03 24.63 TUN 2017 03 10 04 26.57 TUN 2017 03 10 05 31.94 TUN 2017 03 10 06 34.28 TUN 2017 03 10 07 36.06 TUN 2017 03 10 08 37.25 TUN 2017 03 10 09 37.19 TUN 2017 03 10 10 37.59 TUN 2017 03 10 11 37.33 TUN 2017 03 10 12 37.70 TUN 2017 03 10 13 38.13 TUN 2017 03 10 14 38.54 TUN 2017 03 10 15 39.06 TUN 2017 03 10 16 40.23 TUN 2017 03 10 17 38.35 TUN 2017 03 10 18 35.16 TUN 2017 03 10 19 35.55 TUN 2017 03 10 20 34.94 TUN 2017 03 10 21 33.26 TUN 2017 03 10 22 33.35 TUN 2017 03 10 23 33.55 TUN 2017 03 11 00 32.32 TUN 2017 03 11 01 32.43 TUN 2017 03 11 02 35.65 TUN 2017 03 11 03 30.51 TUN 2017 03 11 04 28.22 TUN 2017 03 11 05 27.56 TUN 2017 03 11 06 27.68 TUN 2017 03 11 07 27.04 TUN 2017 03 11 08 26.62 TUN 2017 03 11 09 25.60 TUN 2017 03 11 10 25.92 TUN 2017 03 11 11 25.39 TUN 2017 03 11 12 22.04 TUN 2017 03 11 13 20.34 TUN 2017 03 11 14 21.35 TUN 2017 03 11 15 21.23 TUN 2017 03 11 16 19.92 TUN 2017 03 11 17 19.48 TUN 2017 03 11 18 19.42 TUN 2017 03 11 19 20.24 TUN 2017 03 11 20 19.48 TUN 2017 03 11 21 18.95 TUN 2017 03 11 22 20.87 TUN 2017 03 11 23 24.44 TUN 2017 03 12 00 24.99 TUN 2017 03 12 01 20.86 TUN 2017 03 12 02 20.54 TUN 2017 03 12 03 28.14 TUN 2017 03 12 04 34.03 TUN 2017 03 12 05 35.82 TUN 2017 03 12 06 39.01 TUN 2017 03 12 07 39.77 TUN 2017 03 12 08 42.58 TUN 2017 03 12 09 45.02 TUN 2017 03 12 10 45.63 TUN 2017 03 12 11 43.08 TUN 2017 03 12 12 39.63 TUN 2017 03 12 13 40.36 TUN 2017 03 12 14 40.42 TUN 2017 03 12 15 37.67 TUN 2017 03 12 16 35.69 TUN 2017 03 12 17 34.52 TUN 2017 03 12 18 35.93 TUN 2017 03 12 19 33.87 TUN 2017 03 12 20 31.91 TUN 2017 03 12 21 32.54 TUN 2017 03 12 22 34.78 TUN 2017 03 12 23 38.50 TUN 2017 03 13 00 37.89 TUN 2017 03 13 01 37.70 TUN 2017 03 13 02 35.86 TUN 2017 03 13 03 34.17 TUN 2017 03 13 04 32.37 TUN 2017 03 13 05 31.06 TUN 2017 03 13 06 33.01 TUN 2017 03 13 07 36.65 TUN 2017 03 13 08 38.27 TUN 2017 03 13 09 38.79 TUN 2017 03 13 10 38.33 TUN 2017 03 13 11 38.05 TUN 2017 03 13 12 38.26 TUN 2017 03 13 13 37.31 TUN 2017 03 13 14 37.61 TUN 2017 03 13 15 40.09 TUN 2017 03 13 16 41.90 TUN 2017 03 13 17 41.42 TUN 2017 03 13 18 40.35 TUN 2017 03 13 19 37.35 TUN 2017 03 13 20 37.47 TUN 2017 03 13 21 37.51 TUN 2017 03 13 22 9999.99