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) 31 2012 08 01 00 14.89 31 2012 08 01 01 13.80 31 2012 08 01 02 11.74 31 2012 08 01 03 9.65 31 2012 08 01 04 9.45 31 2012 08 01 05 9.08 31 2012 08 01 06 9.00 31 2012 08 01 07 9.69 31 2012 08 01 08 9.18 31 2012 08 01 09 11.21 31 2012 08 01 10 10.54 31 2012 08 01 11 11.17 31 2012 08 01 12 12.52 31 2012 08 01 13 13.20 31 2012 08 01 14 13.83 31 2012 08 01 15 14.06 31 2012 08 01 16 13.58 31 2012 08 01 17 12.59 31 2012 08 01 18 14.83 31 2012 08 01 19 17.47 31 2012 08 01 20 22.91 31 2012 08 01 21 23.52 31 2012 08 01 22 22.65 31 2012 08 01 23 22.08 31 2012 08 02 00 22.07 31 2012 08 02 01 21.87 31 2012 08 02 02 22.17 31 2012 08 02 03 21.74 31 2012 08 02 04 23.08 31 2012 08 02 05 19.72 31 2012 08 02 06 15.84 31 2012 08 02 07 15.99 31 2012 08 02 08 15.73 31 2012 08 02 09 21.17 31 2012 08 02 10 28.07 31 2012 08 02 11 29.94 31 2012 08 02 12 31.15 31 2012 08 02 13 28.39 31 2012 08 02 14 32.34 31 2012 08 02 15 35.35 31 2012 08 02 16 37.66 31 2012 08 02 17 34.58 31 2012 08 02 18 32.06 31 2012 08 02 22 19.09 31 2012 08 02 23 18.95 31 2012 08 03 00 19.71 31 2012 08 03 01 20.93 31 2012 08 03 02 21.13 31 2012 08 03 03 20.53 31 2012 08 03 04 17.55 31 2012 08 03 05 16.97 31 2012 08 03 06 17.74 31 2012 08 03 07 19.05 31 2012 08 03 08 20.20 31 2012 08 03 09 22.76 31 2012 08 03 10 30.25 31 2012 08 03 11 35.41 31 2012 08 03 12 37.11 31 2012 08 03 13 37.41 31 2012 08 03 14 38.56 31 2012 08 03 15 38.54 31 2012 08 03 16 38.28 31 2012 08 03 17 39.75 31 2012 08 03 18 36.97 31 2012 08 03 19 27.00 31 2012 08 03 20 21.51 31 2012 08 03 21 20.04 31 2012 08 03 22 18.48 31 2012 08 03 23 16.92 31 2012 08 04 00 16.64 31 2012 08 04 01 18.89 31 2012 08 04 02 17.39 31 2012 08 04 03 18.05 31 2012 08 04 04 17.71 31 2012 08 04 05 20.07 31 2012 08 04 06 23.15 31 2012 08 04 07 32.23 31 2012 08 04 08 36.60 31 2012 08 04 09 38.09 31 2012 08 04 10 38.77 31 2012 08 04 11 41.68 31 2012 08 04 12 44.29 31 2012 08 04 13 43.13 31 2012 08 04 14 44.56 31 2012 08 04 15 44.94 31 2012 08 04 16 44.52 31 2012 08 04 17 41.70 31 2012 08 04 18 36.05 31 2012 08 04 19 31.35 31 2012 08 04 20 25.48 31 2012 08 04 21 21.75 31 2012 08 04 22 19.58 31 2012 08 04 23 19.70 31 2012 08 05 00 20.15 31 2012 08 05 01 20.66 31 2012 08 05 02 20.48 31 2012 08 05 03 20.53 31 2012 08 05 04 20.55 31 2012 08 05 05 21.14 31 2012 08 05 06 19.68 31 2012 08 05 07 26.03 31 2012 08 05 08 28.03 31 2012 08 05 09 28.89 31 2012 08 05 10 29.79 31 2012 08 05 11 29.03 31 2012 08 05 12 26.63 31 2012 08 05 13 25.62 31 2012 08 05 14 24.01 31 2012 08 05 15 23.24 31 2012 08 05 16 24.26 31 2012 08 05 17 26.82 31 2012 08 05 18 32.94 31 2012 08 05 19 27.92 31 2012 08 05 20 24.22 31 2012 08 05 21 22.26 31 2012 08 05 22 19.92 31 2012 08 05 23 19.43 31 2012 08 06 00 21.45 31 2012 08 06 01 22.17 31 2012 08 06 02 21.95 31 2012 08 06 03 20.74 31 2012 08 06 04 22.02 31 2012 08 06 05 24.46 31 2012 08 06 06 24.34 31 2012 08 06 07 24.43 31 2012 08 06 08 25.29 31 2012 08 06 09 30.11 31 2012 08 06 10 30.78 31 2012 08 06 11 37.46 31 2012 08 06 12 38.84 31 2012 08 06 13 35.16 31 2012 08 06 14 39.30 31 2012 08 06 15 34.01 31 2012 08 06 16 34.52 31 2012 08 06 17 37.76 31 2012 08 06 18 39.29 31 2012 08 06 19 32.76 31 2012 08 06 20 26.07 31 2012 08 06 21 22.13 31 2012 08 06 22 19.56 31 2012 08 06 23 19.43 31 2012 08 07 00 20.42 31 2012 08 07 01 20.28 31 2012 08 07 02 22.60 31 2012 08 07 03 23.55 31 2012 08 07 04 29.52 31 2012 08 07 05 32.28 31 2012 08 07 06 40.54 31 2012 08 07 07 42.71 31 2012 08 07 08 41.68 31 2012 08 07 09 42.71 31 2012 08 07 10 43.70 31 2012 08 07 11 45.37 31 2012 08 07 12 47.64 31 2012 08 07 13 45.43 31 2012 08 07 14 46.28 31 2012 08 07 15 44.84 31 2012 08 07 16 50.50 31 2012 08 07 17 52.38 31 2012 08 07 18 51.81 31 2012 08 07 19 49.92 31 2012 08 07 20 40.82 31 2012 08 07 21 37.14 31 2012 08 07 22 34.80 31 2012 08 07 23 31.76 31 2012 08 08 00 30.11 31 2012 08 08 01 30.29 31 2012 08 08 02 31.96 31 2012 08 08 03 34.00 31 2012 08 08 04 28.77 31 2012 08 08 05 21.55 31 2012 08 08 06 15.87 31 2012 08 08 07 23.50 31 2012 08 08 08 39.89 31 2012 08 08 09 41.83 31 2012 08 08 10 42.97 31 2012 08 08 11 42.85 31 2012 08 08 12 43.02 31 2012 08 08 13 45.17 31 2012 08 08 14 46.45 31 2012 08 08 15 46.77 31 2012 08 08 16 46.26 31 2012 08 08 17 46.10 31 2012 08 08 18 45.35 31 2012 08 08 19 46.05 31 2012 08 08 20 44.11 31 2012 08 08 21 37.66 31 2012 08 08 22 39.36 31 2012 08 08 23 38.99 31 2012 08 09 00 40.51 31 2012 08 09 01 41.75 31 2012 08 09 02 40.32 31 2012 08 09 03 43.40 31 2012 08 09 04 44.34 31 2012 08 09 05 45.48 31 2012 08 09 06 46.28 31 2012 08 09 07 46.33 31 2012 08 09 08 46.50 31 2012 08 09 09 47.39 31 2012 08 09 10 48.14 31 2012 08 09 11 47.04 31 2012 08 09 12 40.84 31 2012 08 09 13 36.62 31 2012 08 09 14 37.78 31 2012 08 09 15 39.89 31 2012 08 09 16 41.17 31 2012 08 09 17 42.58 31 2012 08 09 18 42.64 31 2012 08 09 19 42.58 31 2012 08 09 20 42.21 31 2012 08 09 21 41.64 31 2012 08 09 22 36.15 31 2012 08 09 23 20.85 31 2012 08 10 00 27.13 31 2012 08 10 01 30.33 31 2012 08 10 02 32.11 31 2012 08 10 03 41.68 31 2012 08 10 04 43.06 31 2012 08 10 05 42.97 31 2012 08 10 06 42.71 31 2012 08 10 07 42.24 31 2012 08 10 08 42.33 31 2012 08 10 09 42.69 31 2012 08 10 10 42.24 31 2012 08 10 11 42.49 31 2012 08 10 12 42.31 31 2012 08 10 13 42.31 31 2012 08 10 14 42.82 31 2012 08 10 15 43.22 31 2012 08 10 16 43.72 31 2012 08 10 17 43.58 31 2012 08 10 18 42.90 31 2012 08 10 19 43.04 31 2012 08 10 22 41.30 31 2012 08 10 23 36.47 31 2012 08 11 00 28.11 31 2012 08 11 01 25.20 31 2012 08 11 02 23.49 31 2012 08 11 03 27.80 31 2012 08 11 04 36.58 31 2012 08 11 05 37.12 31 2012 08 11 06 34.25 31 2012 08 11 07 39.12 31 2012 08 11 08 40.15 31 2012 08 11 09 39.00 31 2012 08 11 10 37.33 31 2012 08 11 11 34.24 31 2012 08 11 12 23.39 31 2012 08 11 13 24.02 31 2012 08 11 14 23.33 31 2012 08 11 15 21.22 31 2012 08 11 16 19.04 31 2012 08 11 17 19.90 31 2012 08 11 18 23.78 31 2012 08 11 19 24.43 31 2012 08 11 20 23.62 31 2012 08 11 21 22.81 31 2012 08 11 22 22.08 31 2012 08 11 23 19.84 31 2012 08 12 00 19.22 31 2012 08 12 01 18.35 31 2012 08 12 02 19.75 31 2012 08 12 03 21.12 31 2012 08 12 04 22.71 31 2012 08 12 05 21.94 31 2012 08 12 06 21.61 31 2012 08 12 07 22.52 31 2012 08 12 08 22.36 31 2012 08 12 09 20.88 31 2012 08 12 10 21.40 31 2012 08 12 11 20.45 31 2012 08 12 12 21.15 31 2012 08 12 13 19.61 31 2012 08 12 14 18.24 31 2012 08 12 15 18.10 31 2012 08 12 16 19.30 31 2012 08 12 17 21.77 31 2012 08 12 18 28.80 31 2012 08 12 19 25.70 31 2012 08 12 20 30.26 31 2012 08 12 21 26.29 31 2012 08 12 22 23.08 31 2012 08 12 23 21.56 31 2012 08 13 00 34.72 31 2012 08 13 01 34.28 31 2012 08 13 02 35.11 31 2012 08 13 03 41.63 31 2012 08 13 04 39.41 31 2012 08 13 05 32.97 31 2012 08 13 06 34.64 31 2012 08 13 07 29.20 31 2012 08 13 08 42.58 31 2012 08 13 09 49.64 31 2012 08 13 10 51.06 31 2012 08 13 11 51.17 31 2012 08 13 12 52.11 31 2012 08 13 13 52.75 31 2012 08 13 14 50.83 31 2012 08 13 15 47.93 31 2012 08 13 16 47.66 31 2012 08 13 17 47.70 31 2012 08 13 18 47.79 31 2012 08 13 19 48.22 31 2012 08 13 21 46.02 31 2012 08 13 22 41.68 31 2012 08 13 23 43.78 31 2012 08 14 00 44.41 31 2012 08 14 01 45.35 31 2012 08 14 02 44.29 31 2012 08 14 03 46.25 31 2012 08 14 04 45.74 31 2012 08 14 05 43.64 31 2012 08 14 06 44.74 31 2012 08 14 07 50.74 31 2012 08 14 08 52.16 31 2012 08 14 09 52.09 31 2012 08 14 10 53.68 31 2012 08 14 11 53.99 31 2012 08 14 12 51.21 31 2012 08 14 13 50.99 31 2012 08 14 14 48.09 31 2012 08 14 15 43.26 31 2012 08 14 16 46.47 31 2012 08 14 17 48.41 31 2012 08 14 18 50.44 31 2012 08 14 19 49.12 31 2012 08 14 20 45.78 31 2012 08 14 21 42.73 31 2012 08 14 22 42.82 31 2012 08 14 23 41.59 31 2012 08 15 00 41.73 31 2012 08 15 01 42.18 31 2012 08 15 02 42.40 31 2012 08 15 03 44.26 31 2012 08 15 04 43.92 31 2012 08 15 05 45.21 31 2012 08 15 06 48.19 31 2012 08 15 07 49.29 31 2012 08 15 08 48.40 31 2012 08 15 09 49.89 31 2012 08 15 10 51.17 31 2012 08 15 11 51.65 31 2012 08 15 12 49.87 31 2012 08 15 13 50.90 31 2012 08 15 14 45.76 31 2012 08 15 15 39.67 31 2012 08 15 16 36.12 31 2012 08 15 17 43.56 31 2012 08 15 18 42.40 31 2012 08 15 19 46.18 31 2012 08 15 20 44.97 31 2012 08 15 21 44.67 31 2012 08 15 22 40.55 31 2012 08 15 23 37.29 31 2012 08 16 00 34.12 31 2012 08 16 01 32.48 31 2012 08 16 02 32.16 31 2012 08 16 03 32.04 31 2012 08 16 04 32.90 31 2012 08 16 05 34.55 31 2012 08 16 06 34.80 31 2012 08 16 07 32.14 31 2012 08 16 08 30.65 31 2012 08 16 09 29.95 31 2012 08 16 10 28.74 31 2012 08 16 11 29.02 31 2012 08 16 12 30.79 31 2012 08 16 13 29.37 31 2012 08 16 14 30.58 31 2012 08 16 15 30.69 31 2012 08 16 16 33.56 31 2012 08 16 17 35.26 31 2012 08 16 18 34.94 31 2012 08 16 19 34.63 31 2012 08 16 20 33.10 31 2012 08 16 21 32.89 31 2012 08 16 22 32.45 31 2012 08 16 23 31.57 31 2012 08 17 00 31.65 31 2012 08 17 01 32.86 31 2012 08 17 02 38.37 31 2012 08 17 03 38.74 31 2012 08 17 04 40.06 31 2012 08 17 05 38.98 31 2012 08 17 06 36.16 31 2012 08 17 07 33.45 31 2012 08 17 08 31.56 31 2012 08 17 09 30.29 31 2012 08 17 10 30.04 31 2012 08 17 11 30.57 31 2012 08 17 12 30.88 31 2012 08 17 13 30.58 31 2012 08 17 14 31.77 31 2012 08 17 15 32.34 31 2012 08 17 16 32.92 31 2012 08 17 17 34.44 31 2012 08 17 18 35.33 31 2012 08 17 19 36.78 31 2012 08 17 20 40.21 31 2012 08 17 21 43.66 31 2012 08 17 22 44.54 31 2012 08 17 23 41.16 31 2012 08 18 00 38.45 31 2012 08 18 01 39.91 31 2012 08 18 02 40.07 31 2012 08 18 03 41.90 31 2012 08 18 04 47.17 31 2012 08 18 05 52.04 31 2012 08 18 06 58.25 31 2012 08 18 07 59.58 31 2012 08 18 08 59.09 31 2012 08 18 09 59.25 31 2012 08 18 10 58.71 31 2012 08 18 11 59.13 31 2012 08 18 12 60.15 31 2012 08 18 13 63.28 31 2012 08 18 14 63.20 31 2012 08 18 15 68.24 31 2012 08 18 16 54.15 31 2012 08 18 17 49.08 31 2012 08 18 18 56.39 31 2012 08 18 19 52.43 31 2012 08 18 20 41.04 31 2012 08 18 21 32.87 31 2012 08 18 22 26.25 31 2012 08 18 23 24.47 31 2012 08 19 00 25.41 31 2012 08 19 01 25.22 31 2012 08 19 02 30.73 31 2012 08 19 03 41.03 31 2012 08 19 04 53.74 31 2012 08 19 05 67.10 31 2012 08 19 06 72.94 31 2012 08 19 07 74.60 31 2012 08 19 08 71.70 31 2012 08 19 09 64.07 31 2012 08 19 10 60.34 31 2012 08 19 11 44.56 31 2012 08 19 12 41.59 31 2012 08 19 13 45.11 31 2012 08 19 14 46.04 31 2012 08 19 15 46.78 31 2012 08 19 16 47.71 31 2012 08 19 17 47.91 31 2012 08 19 18 49.33 31 2012 08 19 19 50.01 31 2012 08 19 20 49.54 31 2012 08 19 21 50.59 31 2012 08 19 22 55.23 31 2012 08 19 23 56.86 31 2012 08 20 00 53.28 31 2012 08 20 01 54.35 31 2012 08 20 02 52.10 31 2012 08 20 03 45.71 31 2012 08 20 04 41.54 31 2012 08 20 05 46.26 31 2012 08 20 06 36.77 31 2012 08 20 07 31.48 31 2012 08 20 08 33.60 31 2012 08 20 09 30.84 31 2012 08 20 10 34.04 31 2012 08 20 11 25.39 31 2012 08 20 12 32.62 31 2012 08 20 13 34.21 31 2012 08 20 14 23.51 31 2012 08 20 15 21.36 31 2012 08 20 16 24.08 31 2012 08 20 17 22.86 31 2012 08 20 18 28.42 31 2012 08 20 19 31.17 31 2012 08 20 20 19.22 31 2012 08 20 21 17.11 31 2012 08 20 22 17.85 31 2012 08 20 23 20.28 31 2012 08 21 00 18.55 31 2012 08 21 01 17.41 31 2012 08 21 02 17.86 31 2012 08 21 03 18.00 31 2012 08 21 04 18.25 31 2012 08 21 05 19.90 31 2012 08 21 06 23.27 31 2012 08 21 07 21.08 31 2012 08 21 08 21.73 31 2012 08 21 09 22.87 31 2012 08 21 10 27.95 31 2012 08 21 11 30.57 31 2012 08 21 12 32.31 31 2012 08 21 13 41.16 31 2012 08 21 14 38.63 31 2012 08 21 15 29.58 31 2012 08 21 16 31.66 31 2012 08 21 17 26.85 31 2012 08 21 18 25.56 31 2012 08 21 19 22.86 31 2012 08 21 20 24.60 31 2012 08 21 21 26.03 31 2012 08 21 22 25.01 31 2012 08 21 23 24.62 31 2012 08 22 00 24.46 31 2012 08 22 01 25.17 31 2012 08 22 02 26.87 31 2012 08 22 03 27.81 31 2012 08 22 04 26.70 31 2012 08 22 05 26.77 31 2012 08 22 06 26.63 31 2012 08 22 07 28.98 31 2012 08 22 08 37.87 31 2012 08 22 09 37.24 31 2012 08 22 10 41.16 31 2012 08 22 11 41.32 31 2012 08 22 12 40.89 31 2012 08 22 13 42.48 31 2012 08 22 14 42.13 31 2012 08 22 15 41.80 31 2012 08 22 16 39.92 31 2012 08 22 17 34.95 31 2012 08 22 18 32.35 31 2012 08 22 19 31.66 31 2012 08 22 20 29.09 31 2012 08 22 21 28.16 31 2012 08 22 22 27.55 31 2012 08 22 23 27.21 31 2012 08 23 00 27.39 31 2012 08 23 01 27.68 31 2012 08 23 02 28.72 31 2012 08 23 03 29.03 31 2012 08 23 04 30.22 31 2012 08 23 05 29.79 31 2012 08 23 06 29.30 31 2012 08 23 07 35.54 31 2012 08 23 08 44.37 31 2012 08 23 09 39.23 31 2012 08 23 10 42.64 31 2012 08 23 11 35.83 31 2012 08 23 12 37.90 31 2012 08 23 13 40.99 31 2012 08 23 14 41.03 31 2012 08 23 15 37.65 31 2012 08 23 16 37.90 31 2012 08 23 17 33.59 31 2012 08 23 18 30.47 31 2012 08 23 19 25.37 31 2012 08 23 20 23.04 31 2012 08 23 21 21.11 31 2012 08 23 22 20.56 31 2012 08 23 23 21.32 31 2012 08 24 00 22.89 31 2012 08 24 01 23.31 31 2012 08 24 02 22.21 31 2012 08 24 03 23.05 31 2012 08 24 04 23.08 31 2012 08 24 05 22.82 31 2012 08 24 06 22.86 31 2012 08 24 07 23.57 31 2012 08 24 08 23.04 31 2012 08 24 09 23.43 31 2012 08 24 10 24.30 31 2012 08 24 11 26.17 31 2012 08 24 12 31.92 31 2012 08 24 13 31.28 31 2012 08 24 14 38.66 31 2012 08 24 15 36.00 31 2012 08 24 16 36.13 31 2012 08 24 17 32.18 31 2012 08 24 18 27.06 31 2012 08 24 19 25.12 31 2012 08 24 20 25.42 31 2012 08 24 21 24.35 31 2012 08 24 22 26.57 31 2012 08 24 23 26.06 31 2012 08 25 00 27.89 31 2012 08 25 01 31.46 31 2012 08 25 02 38.21 31 2012 08 25 03 37.15 31 2012 08 25 04 42.48 31 2012 08 25 05 40.55 31 2012 08 25 06 40.92 31 2012 08 25 07 41.93 31 2012 08 25 08 40.94 31 2012 08 25 09 41.94 31 2012 08 25 10 38.38 31 2012 08 25 11 43.13 31 2012 08 25 12 48.59 31 2012 08 25 13 41.34 31 2012 08 25 14 37.53 31 2012 08 25 15 37.18 31 2012 08 25 16 37.31 31 2012 08 25 17 36.69 31 2012 08 25 18 41.74 31 2012 08 25 19 42.65 31 2012 08 25 20 40.29 31 2012 08 25 21 34.64 31 2012 08 25 22 33.63 31 2012 08 25 23 34.54 31 2012 08 26 00 34.46 31 2012 08 26 01 34.60 31 2012 08 26 02 35.84 31 2012 08 26 03 37.44 31 2012 08 26 04 47.75 31 2012 08 26 05 48.41 31 2012 08 26 06 45.54 31 2012 08 26 07 43.32 31 2012 08 26 08 41.41 31 2012 08 26 09 41.64 31 2012 08 26 10 43.45 31 2012 08 26 11 45.00 31 2012 08 26 12 44.80 31 2012 08 26 13 41.44 31 2012 08 26 14 44.65 31 2012 08 26 15 46.46 31 2012 08 26 16 50.69 31 2012 08 26 17 51.15 31 2012 08 26 18 44.16 31 2012 08 26 19 40.01 31 2012 08 26 20 37.93 31 2012 08 26 21 32.18 31 2012 08 26 22 29.43 31 2012 08 26 23 26.53 31 2012 08 27 00 25.41 31 2012 08 27 01 27.22 31 2012 08 27 02 27.21 31 2012 08 27 03 30.62 31 2012 08 27 04 37.35 31 2012 08 27 05 37.78 31 2012 08 27 06 41.64 31 2012 08 27 07 35.77 31 2012 08 27 08 36.47 31 2012 08 27 09 37.59 31 2012 08 27 10 37.08 31 2012 08 27 11 36.41 31 2012 08 27 12 34.17 31 2012 08 27 13 34.56 31 2012 08 27 14 35.32 31 2012 08 27 15 36.46 31 2012 08 27 16 37.16 31 2012 08 27 17 39.01 31 2012 08 27 18 39.53 31 2012 08 27 19 40.60 31 2012 08 27 20 40.43