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) 000 2021 06 01 00 43.75 000 2021 06 01 01 37.17 000 2021 06 01 02 27.65 000 2021 06 01 03 26.96 000 2021 06 01 04 29.31 000 2021 06 01 05 39.83 000 2021 06 01 06 49.27 000 2021 06 01 07 51.53 000 2021 06 01 08 49.57 000 2021 06 01 09 48.21 000 2021 06 01 10 49.72 000 2021 06 01 11 51.47 000 2021 06 01 12 51.88 000 2021 06 01 13 48.73 000 2021 06 01 14 47.53 000 2021 06 01 15 49.69 000 2021 06 01 16 48.81 000 2021 06 01 17 44.67 000 2021 06 01 18 45.36 000 2021 06 01 19 46.61 000 2021 06 01 20 42.69 000 2021 06 01 21 39.99 000 2021 06 01 22 45.15 000 2021 06 01 23 43.99 000 2021 06 02 00 35.94 000 2021 06 02 01 22.27 000 2021 06 02 02 21.58 000 2021 06 02 03 24.68 000 2021 06 02 04 25.34 000 2021 06 02 05 24.75 000 2021 06 02 06 28.54 000 2021 06 02 07 18.83 000 2021 06 02 08 26.15 000 2021 06 02 09 26.00 000 2021 06 02 10 27.40 000 2021 06 02 11 26.03 000 2021 06 02 12 21.65 000 2021 06 02 13 31.77 000 2021 06 02 14 41.49 000 2021 06 02 15 43.75 000 2021 06 02 16 43.61 000 2021 06 02 17 45.89 000 2021 06 02 18 47.59 000 2021 06 02 19 49.03 000 2021 06 02 20 51.28 000 2021 06 02 21 55.56 000 2021 06 02 22 58.83 000 2021 06 02 23 55.29 000 2021 06 03 00 53.54 000 2021 06 03 01 38.77 000 2021 06 03 02 22.78 000 2021 06 03 03 32.17 000 2021 06 03 04 37.05 000 2021 06 03 05 24.77 000 2021 06 03 06 23.58 000 2021 06 03 07 21.22 000 2021 06 03 08 30.96 000 2021 06 03 09 33.82 000 2021 06 03 10 43.20 000 2021 06 03 11 44.76 000 2021 06 03 12 38.51 000 2021 06 03 13 45.03 000 2021 06 03 14 45.71 000 2021 06 03 15 47.20 000 2021 06 03 16 46.14 000 2021 06 03 17 46.13 000 2021 06 03 18 46.91 000 2021 06 03 19 50.69 000 2021 06 03 20 56.00 000 2021 06 03 21 57.79 000 2021 06 03 22 58.20 000 2021 06 03 23 60.98 000 2021 06 04 00 61.21 000 2021 06 04 01 45.92 000 2021 06 04 02 41.26 000 2021 06 04 03 40.01 000 2021 06 04 04 44.70 000 2021 06 04 05 31.31 000 2021 06 04 06 31.48 000 2021 06 04 07 36.11 000 2021 06 04 08 28.38 000 2021 06 04 09 30.99 000 2021 06 04 10 32.13 000 2021 06 04 11 33.05 000 2021 06 04 12 38.67 000 2021 06 04 13 51.51 000 2021 06 04 14 56.49 000 2021 06 04 15 57.34 000 2021 06 04 16 55.71 000 2021 06 04 17 56.87 000 2021 06 04 18 57.98 000 2021 06 04 19 57.51 000 2021 06 04 20 57.59 000 2021 06 04 21 58.09 000 2021 06 04 22 63.93 000 2021 06 04 23 65.36 000 2021 06 05 00 64.33 000 2021 06 05 01 48.67 000 2021 06 05 02 45.28 000 2021 06 05 03 53.92 000 2021 06 05 04 55.38 000 2021 06 05 05 52.99 000 2021 06 05 06 45.12 000 2021 06 05 07 42.80 000 2021 06 05 08 47.06 000 2021 06 05 09 51.86 000 2021 06 05 10 53.35 000 2021 06 05 11 54.91 000 2021 06 05 12 52.50 000 2021 06 05 13 51.59 000 2021 06 05 14 51.71 000 2021 06 05 15 51.73 000 2021 06 05 16 51.88 000 2021 06 05 17 51.57 000 2021 06 05 18 49.44 000 2021 06 05 19 49.23 000 2021 06 05 20 50.10 000 2021 06 05 21 52.03 000 2021 06 05 22 52.15 000 2021 06 05 23 47.86 000 2021 06 06 00 52.95 000 2021 06 06 01 51.76 000 2021 06 06 02 50.34 000 2021 06 06 03 49.30 000 2021 06 06 04 48.68 000 2021 06 06 05 52.03 000 2021 06 06 06 53.72 000 2021 06 06 07 54.57 000 2021 06 06 08 55.45 000 2021 06 06 09 54.75 000 2021 06 06 10 54.10 000 2021 06 06 11 54.84 000 2021 06 06 12 53.83 000 2021 06 06 13 52.54 000 2021 06 06 14 52.94 000 2021 06 06 15 53.14 000 2021 06 06 16 51.73 000 2021 06 06 17 49.78 000 2021 06 06 18 48.73 000 2021 06 06 19 49.30 000 2021 06 06 20 49.56 000 2021 06 06 21 48.66 000 2021 06 06 22 35.86 000 2021 06 06 23 38.27 000 2021 06 07 00 36.85 000 2021 06 07 01 46.92 000 2021 06 07 02 41.92 000 2021 06 07 03 41.18 000 2021 06 07 04 31.32 000 2021 06 07 05 29.88 000 2021 06 07 06 34.12 000 2021 06 07 07 35.35 000 2021 06 07 08 41.89 000 2021 06 07 09 44.94 000 2021 06 07 10 52.33 000 2021 06 07 11 52.43 000 2021 06 07 12 52.12 000 2021 06 07 13 51.24 000 2021 06 07 14 51.17 000 2021 06 07 15 50.62 000 2021 06 07 16 51.06 000 2021 06 07 17 52.30 000 2021 06 07 18 52.61 000 2021 06 07 19 51.91 000 2021 06 07 20 53.45 000 2021 06 07 21 59.71 000 2021 06 07 22 55.75 000 2021 06 07 23 50.82 000 2021 06 08 00 50.68 000 2021 06 08 01 55.90 000 2021 06 08 02 43.53 000 2021 06 08 03 28.95 000 2021 06 08 04 37.17 000 2021 06 08 05 45.06 000 2021 06 08 06 41.90 000 2021 06 08 07 39.56 000 2021 06 08 08 42.66 000 2021 06 08 09 38.84 000 2021 06 08 10 40.58 000 2021 06 08 11 40.00 000 2021 06 08 12 34.19 000 2021 06 08 13 44.20 000 2021 06 08 14 47.91 000 2021 06 08 15 49.60 000 2021 06 08 16 51.02 000 2021 06 08 17 52.57 000 2021 06 08 18 55.44 000 2021 06 08 19 57.17 000 2021 06 08 20 63.49 000 2021 06 08 21 75.65 000 2021 06 08 22 79.53 000 2021 06 08 23 78.32 000 2021 06 09 00 60.22 000 2021 06 09 01 67.39 000 2021 06 09 02 68.46 000 2021 06 09 03 72.02 000 2021 06 09 04 74.24 000 2021 06 09 05 76.49 000 2021 06 09 06 72.63 000 2021 06 09 07 63.38 000 2021 06 09 08 57.31 000 2021 06 09 09 55.12 000 2021 06 09 10 54.92 000 2021 06 09 11 47.00 000 2021 06 09 12 51.20 000 2021 06 09 13 51.39 000 2021 06 09 14 50.31 000 2021 06 09 15 50.33 000 2021 06 09 16 9999.99 000 2021 06 30 16 44.41 000 2021 06 30 17 41.14 000 2021 06 30 18 44.34 000 2021 06 30 19 50.43 000 2021 06 30 20 48.16 000 2021 06 30 21 51.12 000 2021 06 30 22 46.87 000 2021 06 30 23 48.42