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) MBO 2019 01 01 00 9999.99 MBO 2019 01 15 17 38.80 MBO 2019 01 15 18 37.65 MBO 2019 01 15 19 39.91 MBO 2019 01 15 20 40.82 MBO 2019 01 15 21 40.48 MBO 2019 01 15 22 39.33 MBO 2019 01 15 23 38.45 MBO 2019 01 16 00 38.11 MBO 2019 01 16 01 38.30 MBO 2019 01 16 02 38.41 MBO 2019 01 16 03 37.59 MBO 2019 01 16 04 37.95 MBO 2019 01 16 05 38.49 MBO 2019 01 16 06 38.72 MBO 2019 01 16 07 37.53 MBO 2019 01 16 08 38.12 MBO 2019 01 16 09 38.83 MBO 2019 01 16 10 38.98 MBO 2019 01 16 11 36.60 MBO 2019 01 16 12 36.01 MBO 2019 01 16 13 34.76 MBO 2019 01 16 14 35.86 MBO 2019 01 16 15 40.21 MBO 2019 01 16 16 39.95 MBO 2019 01 16 17 40.05 MBO 2019 01 16 18 38.59 MBO 2019 01 16 19 37.28 MBO 2019 01 16 20 37.74 MBO 2019 01 16 21 35.45 MBO 2019 01 16 22 36.07 MBO 2019 01 16 23 35.03 MBO 2019 01 17 00 35.54 MBO 2019 01 17 01 35.85 MBO 2019 01 17 02 35.94 MBO 2019 01 17 03 36.27 MBO 2019 01 17 04 37.01 MBO 2019 01 17 05 37.65 MBO 2019 01 17 06 37.45 MBO 2019 01 17 07 36.30 MBO 2019 01 17 08 36.45 MBO 2019 01 17 09 37.96 MBO 2019 01 17 10 38.46 MBO 2019 01 17 11 39.67 MBO 2019 01 17 12 36.80 MBO 2019 01 17 13 38.66 MBO 2019 01 17 14 38.43 MBO 2019 01 17 15 37.81 MBO 2019 01 17 16 38.62 MBO 2019 01 17 17 39.63 MBO 2019 01 17 18 37.76 MBO 2019 01 17 19 37.73 MBO 2019 01 17 20 38.92 MBO 2019 01 17 21 39.62 MBO 2019 01 17 22 39.82 MBO 2019 01 17 23 39.24 MBO 2019 01 18 00 38.76 MBO 2019 01 18 01 39.18 MBO 2019 01 18 02 38.73 MBO 2019 01 18 03 39.48 MBO 2019 01 18 04 39.46 MBO 2019 01 18 05 40.15 MBO 2019 01 18 06 39.71 MBO 2019 01 18 07 40.07 MBO 2019 01 18 08 40.27 MBO 2019 01 18 09 40.10 MBO 2019 01 18 10 39.40 MBO 2019 01 18 11 39.82 MBO 2019 01 18 12 40.17 MBO 2019 01 18 13 39.88 MBO 2019 01 18 14 39.73 MBO 2019 01 18 15 40.11 MBO 2019 01 18 16 39.80 MBO 2019 01 18 17 39.94 MBO 2019 01 18 18 39.82 MBO 2019 01 18 19 39.02 MBO 2019 01 18 20 42.29 MBO 2019 01 18 21 43.37 MBO 2019 01 18 22 39.03 MBO 2019 01 18 23 36.86 MBO 2019 01 19 00 35.70 MBO 2019 01 19 01 34.48 MBO 2019 01 19 02 33.28 MBO 2019 01 19 03 32.65 MBO 2019 01 19 04 31.73 MBO 2019 01 19 05 31.11 MBO 2019 01 19 06 30.14 MBO 2019 01 19 07 30.78 MBO 2019 01 19 08 30.81 MBO 2019 01 19 09 34.10 MBO 2019 01 19 10 35.87 MBO 2019 01 19 11 35.05 MBO 2019 01 19 12 33.85 MBO 2019 01 19 13 32.25 MBO 2019 01 19 14 31.16 MBO 2019 01 19 15 30.63 MBO 2019 01 19 16 29.92 MBO 2019 01 19 17 29.28 MBO 2019 01 19 18 31.48 MBO 2019 01 19 19 34.77 MBO 2019 01 19 20 37.39 MBO 2019 01 19 21 43.20 MBO 2019 01 19 22 45.18 MBO 2019 01 19 23 44.51 MBO 2019 01 20 00 45.38 MBO 2019 01 20 01 47.09 MBO 2019 01 20 02 48.11 MBO 2019 01 20 03 47.37 MBO 2019 01 20 04 47.46 MBO 2019 01 20 05 37.66 MBO 2019 01 20 06 33.58 MBO 2019 01 20 07 34.42 MBO 2019 01 20 08 36.98 MBO 2019 01 20 09 34.08 MBO 2019 01 20 10 30.65 MBO 2019 01 20 11 30.09 MBO 2019 01 20 12 29.18 MBO 2019 01 20 13 29.97 MBO 2019 01 20 14 28.40 MBO 2019 01 20 15 33.80 MBO 2019 01 20 16 34.97 MBO 2019 01 20 17 37.40 MBO 2019 01 20 18 33.92 MBO 2019 01 20 19 35.29 MBO 2019 01 20 20 35.53 MBO 2019 01 20 21 37.96 MBO 2019 01 20 22 39.64 MBO 2019 01 20 23 40.92 MBO 2019 01 21 00 41.86 MBO 2019 01 21 01 42.26 MBO 2019 01 21 02 42.79 MBO 2019 01 21 03 41.87 MBO 2019 01 21 04 41.90 MBO 2019 01 21 05 42.44 MBO 2019 01 21 06 41.94 MBO 2019 01 21 07 41.04 MBO 2019 01 21 08 38.75 MBO 2019 01 21 09 34.80 MBO 2019 01 21 10 36.34 MBO 2019 01 21 11 35.47 MBO 2019 01 21 12 35.39 MBO 2019 01 21 13 34.70 MBO 2019 01 21 14 34.21 MBO 2019 01 21 15 35.38 MBO 2019 01 21 16 41.64 MBO 2019 01 21 17 42.70 MBO 2019 01 21 18 41.69 MBO 2019 01 21 19 41.88 MBO 2019 01 21 20 43.18 MBO 2019 01 21 21 44.44 MBO 2019 01 21 22 41.30 MBO 2019 01 21 23 42.35 MBO 2019 01 22 00 43.35 MBO 2019 01 22 01 44.54 MBO 2019 01 22 02 45.02 MBO 2019 01 22 03 45.41 MBO 2019 01 22 04 45.70 MBO 2019 01 22 05 44.91 MBO 2019 01 22 06 43.34 MBO 2019 01 22 07 42.69 MBO 2019 01 22 08 42.89 MBO 2019 01 22 09 43.23 MBO 2019 01 22 10 42.88 MBO 2019 01 22 11 43.39 MBO 2019 01 22 12 44.55 MBO 2019 01 22 13 44.45 MBO 2019 01 22 14 44.74 MBO 2019 01 22 15 44.89 MBO 2019 01 22 16 43.92 MBO 2019 01 22 17 43.93 MBO 2019 01 22 18 44.09 MBO 2019 01 22 19 44.33 MBO 2019 01 22 20 43.83 MBO 2019 01 22 21 44.04 MBO 2019 01 22 22 43.47 MBO 2019 01 22 23 42.68 MBO 2019 01 23 00 41.30 MBO 2019 01 23 01 40.38 MBO 2019 01 23 02 39.89 MBO 2019 01 23 03 39.74 MBO 2019 01 23 04 39.97 MBO 2019 01 23 05 39.94 MBO 2019 01 23 06 39.52 MBO 2019 01 23 07 39.25 MBO 2019 01 23 08 39.74 MBO 2019 01 23 09 39.11 MBO 2019 01 23 10 40.49 MBO 2019 01 23 11 40.61 MBO 2019 01 23 12 39.89 MBO 2019 01 23 13 39.23 MBO 2019 01 23 14 39.75 MBO 2019 01 23 15 40.77 MBO 2019 01 23 16 41.42 MBO 2019 01 23 17 41.70 MBO 2019 01 23 18 42.37 MBO 2019 01 23 19 41.82 MBO 2019 01 23 20 39.69 MBO 2019 01 23 21 37.93 MBO 2019 01 23 22 37.32 MBO 2019 01 23 23 38.28 MBO 2019 01 24 00 36.44 MBO 2019 01 24 01 39.95 MBO 2019 01 24 02 42.97 MBO 2019 01 24 03 44.90 MBO 2019 01 24 04 45.31 MBO 2019 01 24 05 47.03 MBO 2019 01 24 06 46.61 MBO 2019 01 24 07 47.04 MBO 2019 01 24 08 47.31 MBO 2019 01 24 09 47.87 MBO 2019 01 24 10 48.11 MBO 2019 01 24 11 48.09 MBO 2019 01 24 12 48.79 MBO 2019 01 24 13 47.88 MBO 2019 01 24 14 47.82 MBO 2019 01 24 15 49.45 MBO 2019 01 24 16 48.54 MBO 2019 01 24 17 49.77 MBO 2019 01 24 18 50.02 MBO 2019 01 24 19 52.86 MBO 2019 01 24 20 56.09 MBO 2019 01 24 21 51.55 MBO 2019 01 24 22 46.79 MBO 2019 01 24 23 47.24 MBO 2019 01 25 00 50.51 MBO 2019 01 25 01 51.27 MBO 2019 01 25 02 51.29 MBO 2019 01 25 03 51.63 MBO 2019 01 25 04 51.36 MBO 2019 01 25 05 50.92 MBO 2019 01 25 06 49.53 MBO 2019 01 25 07 48.39 MBO 2019 01 25 08 48.61 MBO 2019 01 25 09 48.70 MBO 2019 01 25 10 48.95 MBO 2019 01 25 11 48.69 MBO 2019 01 25 12 48.82 MBO 2019 01 25 13 47.90 MBO 2019 01 25 14 49.00 MBO 2019 01 25 15 50.86 MBO 2019 01 25 16 48.78 MBO 2019 01 25 17 48.93 MBO 2019 01 25 18 49.52 MBO 2019 01 25 19 50.37 MBO 2019 01 25 20 49.40 MBO 2019 01 25 21 48.31 MBO 2019 01 25 22 48.62 MBO 2019 01 25 23 48.63 MBO 2019 01 26 00 49.05 MBO 2019 01 26 01 49.56 MBO 2019 01 26 02 49.59 MBO 2019 01 26 03 50.05 MBO 2019 01 26 04 50.41 MBO 2019 01 26 05 50.19 MBO 2019 01 26 06 50.10 MBO 2019 01 26 07 49.48 MBO 2019 01 26 08 48.92 MBO 2019 01 26 09 46.97 MBO 2019 01 26 10 42.92 MBO 2019 01 26 11 44.35 MBO 2019 01 26 12 45.89 MBO 2019 01 26 13 43.04 MBO 2019 01 26 14 41.84 MBO 2019 01 26 15 39.74 MBO 2019 01 26 16 38.97 MBO 2019 01 26 17 38.64 MBO 2019 01 26 18 37.64 MBO 2019 01 26 19 35.66 MBO 2019 01 26 20 37.68 MBO 2019 01 26 21 38.33 MBO 2019 01 26 22 38.15 MBO 2019 01 26 23 34.77 MBO 2019 01 27 00 37.16 MBO 2019 01 27 01 40.70 MBO 2019 01 27 02 39.34 MBO 2019 01 27 03 40.11 MBO 2019 01 27 04 41.55 MBO 2019 01 27 05 42.06 MBO 2019 01 27 06 41.99 MBO 2019 01 27 07 40.87 MBO 2019 01 27 08 37.73 MBO 2019 01 27 09 37.85 MBO 2019 01 27 10 37.14 MBO 2019 01 27 11 38.71 MBO 2019 01 27 12 39.22 MBO 2019 01 27 13 39.14 MBO 2019 01 27 14 40.72 MBO 2019 01 27 15 42.36 MBO 2019 01 27 16 43.20 MBO 2019 01 27 17 42.42 MBO 2019 01 27 18 44.34 MBO 2019 01 27 19 45.54 MBO 2019 01 27 20 44.14 MBO 2019 01 27 21 43.15 MBO 2019 01 27 22 43.19 MBO 2019 01 27 23 42.46 MBO 2019 01 28 00 37.10 MBO 2019 01 28 01 42.52 MBO 2019 01 28 02 43.36 MBO 2019 01 28 03 40.34 MBO 2019 01 28 04 40.79 MBO 2019 01 28 05 41.31 MBO 2019 01 28 06 43.80 MBO 2019 01 28 07 44.01 MBO 2019 01 28 08 45.41 MBO 2019 01 28 09 46.73 MBO 2019 01 28 10 47.69 MBO 2019 01 28 11 48.63 MBO 2019 01 28 12 46.94 MBO 2019 01 28 13 45.98 MBO 2019 01 28 14 46.88 MBO 2019 01 28 15 45.99 MBO 2019 01 28 16 44.44 MBO 2019 01 28 17 43.86 MBO 2019 01 28 18 44.14 MBO 2019 01 28 19 45.58 MBO 2019 01 28 20 46.83 MBO 2019 01 28 21 45.65 MBO 2019 01 28 22 45.07 MBO 2019 01 28 23 45.01 MBO 2019 01 29 00 41.20 MBO 2019 01 29 01 38.53 MBO 2019 01 29 02 40.76 MBO 2019 01 29 03 40.45 MBO 2019 01 29 04 42.03 MBO 2019 01 29 05 42.34 MBO 2019 01 29 06 42.72 MBO 2019 01 29 07 44.35 MBO 2019 01 29 08 44.42 MBO 2019 01 29 09 44.21 MBO 2019 01 29 10 45.60 MBO 2019 01 29 11 47.36 MBO 2019 01 29 12 48.92 MBO 2019 01 29 13 48.57 MBO 2019 01 29 14 46.88 MBO 2019 01 29 15 47.16 MBO 2019 01 29 16 49.08 MBO 2019 01 29 17 48.82 MBO 2019 01 29 18 49.53 MBO 2019 01 29 19 46.29 MBO 2019 01 29 20 44.40 MBO 2019 01 29 21 43.57 MBO 2019 01 29 22 44.63 MBO 2019 01 29 23 44.34 MBO 2019 01 30 00 41.85 MBO 2019 01 30 01 42.81 MBO 2019 01 30 02 45.32 MBO 2019 01 30 03 44.07 MBO 2019 01 30 04 42.51 MBO 2019 01 30 05 39.10 MBO 2019 01 30 06 37.68 MBO 2019 01 30 07 40.76 MBO 2019 01 30 08 41.18 MBO 2019 01 30 09 40.72 MBO 2019 01 30 10 41.10 MBO 2019 01 30 11 41.20 MBO 2019 01 30 12 41.13 MBO 2019 01 30 13 41.10 MBO 2019 01 30 14 41.18 MBO 2019 01 30 15 40.51 MBO 2019 01 30 16 40.15 MBO 2019 01 30 17 40.31 MBO 2019 01 30 18 41.04 MBO 2019 01 30 19 41.61 MBO 2019 01 30 20 42.03 MBO 2019 01 30 21 41.21 MBO 2019 01 30 22 40.50 MBO 2019 01 30 23 40.13 MBO 2019 01 31 00 39.30 MBO 2019 01 31 01 41.36 MBO 2019 01 31 02 43.17 MBO 2019 01 31 03 43.49 MBO 2019 01 31 04 43.82 MBO 2019 01 31 05 43.31 MBO 2019 01 31 06 42.76 MBO 2019 01 31 07 41.69 MBO 2019 01 31 08 40.90 MBO 2019 01 31 09 40.86 MBO 2019 01 31 10 40.70 MBO 2019 01 31 11 40.67 MBO 2019 01 31 12 41.16 MBO 2019 01 31 13 41.78 MBO 2019 01 31 14 41.45 MBO 2019 01 31 15 40.82 MBO 2019 01 31 16 39.65 MBO 2019 01 31 17 38.59 MBO 2019 01 31 18 39.37 MBO 2019 01 31 19 40.92 MBO 2019 01 31 20 39.50 MBO 2019 01 31 21 38.77 MBO 2019 01 31 22 37.82 MBO 2019 01 31 23 37.12