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 12 01 00 42.79 31 2012 12 01 01 43.16 31 2012 12 01 02 45.78 31 2012 12 01 03 46.58 31 2012 12 01 04 44.38 31 2012 12 01 05 41.54 31 2012 12 01 06 41.25 31 2012 12 01 07 40.45 31 2012 12 01 08 39.75 31 2012 12 01 09 40.29 31 2012 12 01 10 41.95 31 2012 12 01 11 42.18 31 2012 12 01 12 41.23 31 2012 12 01 13 42.40 31 2012 12 01 14 43.39 31 2012 12 01 15 41.48 31 2012 12 01 16 40.69 31 2012 12 01 17 40.57 31 2012 12 01 18 40.43 31 2012 12 01 19 50.01 31 2012 12 01 20 50.19 31 2012 12 01 21 48.40 31 2012 12 01 22 45.96 31 2012 12 01 23 46.06 31 2012 12 02 00 41.45 31 2012 12 02 01 32.86 31 2012 12 02 02 28.98 31 2012 12 02 03 26.42 31 2012 12 02 04 30.61 31 2012 12 02 05 30.78 31 2012 12 02 06 32.49 31 2012 12 02 07 35.04 31 2012 12 02 08 38.11 31 2012 12 02 09 37.85 31 2012 12 02 10 39.68 31 2012 12 02 11 40.36 31 2012 12 02 12 40.92 31 2012 12 02 13 40.91 31 2012 12 02 14 41.09 31 2012 12 02 15 39.98 31 2012 12 02 16 40.91 31 2012 12 02 17 43.02 31 2012 12 02 18 44.42 31 2012 12 02 19 40.08 31 2012 12 02 20 33.01 31 2012 12 02 21 21.76 31 2012 12 02 22 21.13 31 2012 12 02 23 18.17 31 2012 12 03 00 25.31 31 2012 12 03 01 22.44 31 2012 12 03 02 23.14 31 2012 12 03 03 26.83 31 2012 12 03 04 28.04 31 2012 12 03 05 24.36 31 2012 12 03 06 23.20 31 2012 12 03 07 24.76 31 2012 12 03 08 22.58 31 2012 12 03 09 20.30 31 2012 12 03 10 19.88 31 2012 12 03 11 20.54 31 2012 12 03 12 20.66 31 2012 12 03 13 19.15 31 2012 12 03 14 19.16 31 2012 12 03 15 19.91 31 2012 12 03 16 19.01 31 2012 12 03 17 23.23 31 2012 12 03 18 25.63 31 2012 12 03 19 25.67 31 2012 12 03 22 16.84 31 2012 12 03 23 15.06 31 2012 12 04 00 13.62 31 2012 12 04 01 13.83 31 2012 12 04 02 14.11 31 2012 12 04 03 14.27 31 2012 12 04 04 13.87 31 2012 12 04 05 13.76 31 2012 12 04 06 18.24 31 2012 12 04 07 17.45 31 2012 12 04 08 19.11 31 2012 12 04 09 19.56 31 2012 12 04 10 19.94 31 2012 12 04 11 20.00 31 2012 12 04 12 18.78 31 2012 12 04 13 18.83 31 2012 12 04 14 18.54 31 2012 12 04 15 17.82 31 2012 12 04 16 17.02 31 2012 12 04 17 17.93 31 2012 12 04 18 17.76 31 2012 12 04 19 16.96 31 2012 12 04 20 15.55 31 2012 12 04 21 15.04 31 2012 12 04 22 15.12 31 2012 12 04 23 15.47 31 2012 12 05 00 14.84 31 2012 12 05 01 15.04 31 2012 12 05 02 14.77 31 2012 12 05 03 15.35 31 2012 12 05 04 13.80 31 2012 12 05 05 12.88 31 2012 12 05 06 12.59 31 2012 12 05 07 12.76 31 2012 12 05 08 12.26 31 2012 12 05 09 14.71 31 2012 12 05 10 17.34 31 2012 12 05 11 18.52 31 2012 12 05 12 16.14 31 2012 12 05 13 15.50 31 2012 12 05 14 14.51 31 2012 12 05 15 15.00 31 2012 12 05 16 18.57 31 2012 12 05 17 22.23 31 2012 12 05 18 19.71 31 2012 12 05 19 18.28 31 2012 12 05 20 17.61 31 2012 12 05 21 19.23 31 2012 12 05 22 19.32 31 2012 12 05 23 18.42 31 2012 12 06 00 19.47 31 2012 12 06 01 18.25 31 2012 12 06 02 20.33 31 2012 12 06 03 23.81 31 2012 12 06 04 28.21 31 2012 12 06 05 28.94 31 2012 12 06 06 29.02 31 2012 12 06 07 35.37 31 2012 12 06 08 38.86 31 2012 12 06 09 40.88 31 2012 12 06 10 41.84 31 2012 12 06 11 45.82 31 2012 12 06 12 44.55 31 2012 12 06 13 30.28 31 2012 12 06 14 43.46 31 2012 12 06 15 42.29 31 2012 12 06 16 33.87 31 2012 12 06 17 41.44 31 2012 12 06 18 43.72 31 2012 12 06 19 40.67 31 2012 12 06 20 44.50 31 2012 12 06 21 39.00 31 2012 12 06 22 37.84 31 2012 12 06 23 35.97 31 2012 12 07 00 33.91 31 2012 12 07 01 32.90 31 2012 12 07 02 33.70 31 2012 12 07 03 36.41 31 2012 12 07 04 34.80 31 2012 12 07 05 34.03 31 2012 12 07 06 28.86 31 2012 12 07 07 27.25 31 2012 12 07 08 28.79 31 2012 12 07 09 30.40 31 2012 12 07 10 32.01 31 2012 12 07 11 32.23 31 2012 12 07 12 37.23 31 2012 12 07 13 35.58 31 2012 12 07 14 28.29 31 2012 12 07 15 29.08 31 2012 12 07 16 34.28 31 2012 12 07 17 37.16 31 2012 12 07 18 36.99 31 2012 12 07 19 32.24 31 2012 12 07 20 36.08 31 2012 12 07 21 39.74 31 2012 12 07 22 41.28 31 2012 12 07 23 29.47 31 2012 12 08 00 25.36 31 2012 12 08 01 25.71 31 2012 12 08 02 31.54 31 2012 12 08 03 30.35 31 2012 12 08 04 34.39 31 2012 12 08 05 31.25 31 2012 12 08 06 30.14 31 2012 12 08 07 32.26 31 2012 12 08 08 32.53 31 2012 12 08 09 36.17 31 2012 12 08 10 41.30 31 2012 12 08 11 44.46 31 2012 12 08 12 43.16 31 2012 12 08 13 42.75 31 2012 12 08 14 41.26 31 2012 12 08 15 41.42 31 2012 12 08 16 42.41 31 2012 12 08 17 42.54 31 2012 12 08 18 44.01 31 2012 12 08 19 42.50 31 2012 12 08 20 42.89 31 2012 12 08 21 40.87 31 2012 12 08 22 38.95 31 2012 12 08 23 36.90 31 2012 12 09 00 35.64 31 2012 12 09 01 34.66 31 2012 12 09 02 37.60 31 2012 12 09 03 41.39 31 2012 12 09 04 48.83 31 2012 12 09 05 44.53 31 2012 12 09 06 38.50 31 2012 12 09 07 40.35 31 2012 12 09 08 41.34 31 2012 12 09 09 38.26 31 2012 12 09 10 36.68 31 2012 12 09 11 36.94 31 2012 12 09 12 36.94 31 2012 12 09 13 37.56 31 2012 12 09 14 37.66 31 2012 12 09 15 35.75 31 2012 12 09 16 36.21 31 2012 12 09 17 36.00 31 2012 12 09 18 37.91 31 2012 12 09 19 41.22 31 2012 12 09 20 43.42 31 2012 12 09 21 36.43 31 2012 12 09 22 33.10 31 2012 12 09 23 32.20 31 2012 12 10 00 28.38 31 2012 12 10 01 27.42 31 2012 12 10 02 31.35 31 2012 12 10 03 34.15 31 2012 12 10 04 36.84 31 2012 12 10 05 36.12 31 2012 12 10 06 37.69 31 2012 12 10 07 41.42 31 2012 12 10 08 45.21 31 2012 12 10 09 43.73 31 2012 12 10 10 43.94 31 2012 12 10 11 46.27 31 2012 12 10 12 49.64 31 2012 12 10 13 48.90 31 2012 12 10 14 48.57 31 2012 12 10 15 51.84 31 2012 12 10 16 53.70 31 2012 12 10 17 52.17 31 2012 12 10 18 49.14 31 2012 12 10 19 48.18 31 2012 12 10 22 44.46 31 2012 12 12 12 41.29 31 2012 12 12 13 40.41 31 2012 12 12 14 40.44 31 2012 12 12 15 40.80 31 2012 12 12 16 40.78 31 2012 12 12 17 40.90 31 2012 12 12 18 41.34 31 2012 12 12 19 41.84 31 2012 12 12 20 42.27 31 2012 12 12 21 41.75 31 2012 12 12 22 38.39 31 2012 12 12 23 37.41 31 2012 12 13 00 37.25 31 2012 12 13 01 38.37 31 2012 12 13 02 40.09 31 2012 12 13 03 37.98 31 2012 12 13 04 41.94 31 2012 12 13 05 41.53 31 2012 12 13 06 43.15 31 2012 12 13 07 42.21 31 2012 12 13 08 44.59 31 2012 12 13 09 46.00 31 2012 12 13 10 44.39 31 2012 12 13 11 46.09 31 2012 12 13 12 44.13 31 2012 12 13 13 42.54 31 2012 12 13 14 42.29 31 2012 12 13 15 41.78 31 2012 12 13 16 42.02 31 2012 12 13 17 42.25 31 2012 12 13 18 43.38 31 2012 12 13 19 43.23 31 2012 12 13 20 42.96 31 2012 12 13 21 41.58 31 2012 12 13 22 41.64 31 2012 12 13 23 37.96 31 2012 12 14 00 38.54 31 2012 12 14 01 41.94 31 2012 12 14 02 42.57 31 2012 12 14 03 41.41 31 2012 12 14 04 41.00 31 2012 12 14 05 41.79 31 2012 12 14 06 46.14 31 2012 12 14 07 46.89 31 2012 12 14 08 47.09 31 2012 12 14 09 47.71 31 2012 12 14 10 47.93 31 2012 12 14 11 48.40 31 2012 12 14 12 48.81 31 2012 12 14 13 48.00 31 2012 12 14 14 48.13 31 2012 12 14 15 45.10 31 2012 12 14 16 43.48 31 2012 12 14 17 43.80 31 2012 12 14 18 44.98 31 2012 12 14 19 45.76 31 2012 12 14 20 43.42 31 2012 12 14 21 41.67 31 2012 12 14 22 40.30 31 2012 12 14 23 42.05 31 2012 12 15 00 46.33 31 2012 12 15 01 46.72 31 2012 12 15 02 46.91 31 2012 12 15 03 47.63 31 2012 12 15 04 47.49 31 2012 12 15 05 47.49 31 2012 12 15 06 46.80 31 2012 12 15 07 46.30 31 2012 12 15 08 46.14 31 2012 12 15 09 45.86 31 2012 12 15 10 44.84 31 2012 12 15 11 38.50 31 2012 12 15 12 41.56 31 2012 12 15 13 47.63 31 2012 12 15 14 48.06 31 2012 12 15 15 47.64 31 2012 12 15 16 47.54 31 2012 12 15 17 47.09 31 2012 12 15 18 48.37 31 2012 12 15 19 48.16 31 2012 12 15 20 47.90 31 2012 12 15 21 46.62 31 2012 12 15 22 45.26 31 2012 12 15 23 44.38 31 2012 12 16 00 44.05 31 2012 12 16 01 44.54 31 2012 12 16 02 41.28 31 2012 12 16 03 40.59 31 2012 12 16 04 38.90 31 2012 12 16 05 41.10 31 2012 12 16 06 45.17 31 2012 12 16 07 46.98 31 2012 12 16 08 47.66 31 2012 12 16 09 48.09 31 2012 12 16 10 47.67 31 2012 12 16 11 46.78 31 2012 12 16 12 44.38 31 2012 12 16 13 43.17 31 2012 12 16 14 39.73 31 2012 12 16 15 37.94 31 2012 12 16 16 36.22 31 2012 12 16 17 36.37 31 2012 12 16 18 37.86 31 2012 12 16 19 36.88 31 2012 12 16 20 39.50 31 2012 12 16 21 42.56 31 2012 12 16 22 44.11 31 2012 12 16 23 43.83 31 2012 12 17 00 43.09 31 2012 12 17 01 42.30 31 2012 12 17 02 40.79 31 2012 12 17 03 39.07 31 2012 12 17 04 37.34 31 2012 12 17 05 38.44 31 2012 12 17 06 41.67 31 2012 12 17 07 40.81 31 2012 12 17 08 39.82 31 2012 12 17 09 39.49 31 2012 12 17 10 36.43 31 2012 12 17 11 34.39 31 2012 12 17 12 34.63 31 2012 12 17 13 34.78 31 2012 12 17 14 34.98 31 2012 12 17 15 34.59 31 2012 12 17 16 34.75 31 2012 12 17 17 34.90 31 2012 12 17 18 34.05 31 2012 12 17 19 37.53 31 2012 12 17 20 34.47 31 2012 12 17 21 35.23 31 2012 12 17 22 39.52 31 2012 12 17 23 42.05 31 2012 12 18 00 43.05 31 2012 12 18 01 41.39 31 2012 12 18 02 40.21 31 2012 12 18 03 38.05 31 2012 12 18 04 44.49 31 2012 12 18 05 48.66 31 2012 12 18 06 49.55 31 2012 12 18 07 50.19 31 2012 12 18 08 43.83 31 2012 12 18 09 39.89 31 2012 12 18 10 40.68 31 2012 12 18 11 43.06 31 2012 12 18 12 43.94 31 2012 12 18 13 43.20 31 2012 12 18 14 44.34 31 2012 12 18 15 43.63 31 2012 12 18 16 44.05 31 2012 12 18 17 42.27 31 2012 12 18 18 45.12 31 2012 12 18 19 43.23 31 2012 12 18 20 45.20 31 2012 12 18 21 44.55 31 2012 12 18 22 44.23 31 2012 12 18 23 42.78 31 2012 12 19 00 42.95 31 2012 12 19 01 43.94 31 2012 12 19 02 45.00 31 2012 12 19 03 46.55 31 2012 12 19 04 47.19 31 2012 12 19 05 47.01 31 2012 12 19 06 46.94 31 2012 12 19 07 47.56 31 2012 12 19 08 47.18 31 2012 12 19 09 46.20 31 2012 12 19 10 47.05 31 2012 12 19 11 47.68 31 2012 12 19 12 44.48 31 2012 12 19 13 43.24 31 2012 12 19 14 41.87 31 2012 12 19 15 40.44 31 2012 12 19 16 42.68 31 2012 12 19 17 44.82 31 2012 12 19 18 44.85 31 2012 12 19 19 43.94 31 2012 12 19 20 43.20 31 2012 12 19 21 41.14 31 2012 12 19 22 36.57 31 2012 12 19 23 35.24 31 2012 12 20 00 35.37 31 2012 12 20 01 31.37 31 2012 12 20 02 25.03 31 2012 12 20 03 24.24 31 2012 12 20 04 24.91 31 2012 12 20 05 26.55 31 2012 12 20 06 27.49 31 2012 12 20 07 29.59 31 2012 12 20 08 28.79 31 2012 12 20 09 28.71 31 2012 12 20 10 30.22 31 2012 12 20 11 29.67 31 2012 12 20 12 31.11 31 2012 12 20 13 30.85 31 2012 12 20 14 31.77 31 2012 12 20 15 32.63 31 2012 12 20 16 34.04 31 2012 12 20 17 33.79 31 2012 12 20 18 34.20 31 2012 12 20 19 35.02 31 2012 12 20 22 36.39 31 2012 12 20 23 35.16 31 2012 12 21 00 34.74 31 2012 12 21 01 35.58 31 2012 12 21 02 35.09 31 2012 12 21 03 36.47 31 2012 12 21 04 35.88 31 2012 12 21 05 38.16 31 2012 12 21 06 45.54 31 2012 12 21 07 43.83 31 2012 12 21 08 42.61 31 2012 12 21 09 43.07 31 2012 12 21 10 43.94 31 2012 12 21 11 45.78 31 2012 12 21 12 45.42 31 2012 12 21 13 43.77 31 2012 12 21 14 42.51 31 2012 12 21 15 42.35 31 2012 12 21 16 44.35 31 2012 12 21 17 43.15 31 2012 12 21 18 41.09 31 2012 12 21 19 41.34 31 2012 12 21 20 40.99 31 2012 12 21 21 41.08 31 2012 12 21 22 43.21 31 2012 12 21 23 44.51 31 2012 12 22 00 40.79 31 2012 12 22 01 41.26 31 2012 12 22 02 42.44 31 2012 12 22 03 43.76 31 2012 12 22 04 43.68 31 2012 12 22 05 42.91 31 2012 12 22 06 42.46 31 2012 12 22 07 43.43 31 2012 12 22 08 46.49 31 2012 12 22 09 46.93 31 2012 12 22 10 47.30 31 2012 12 22 11 47.09 31 2012 12 22 12 44.86 31 2012 12 22 13 43.59 31 2012 12 22 14 45.28 31 2012 12 22 15 46.06 31 2012 12 22 16 45.55 31 2012 12 22 17 46.08 31 2012 12 22 18 46.83 31 2012 12 22 19 47.18 31 2012 12 22 20 44.34 31 2012 12 22 21 43.77 31 2012 12 22 22 42.75 31 2012 12 22 23 41.26 31 2012 12 23 00 36.81 31 2012 12 23 01 38.52 31 2012 12 23 02 34.51 31 2012 12 23 03 44.03 31 2012 12 23 04 45.64 31 2012 12 23 05 45.39 31 2012 12 23 06 45.26 31 2012 12 23 07 45.93 31 2012 12 23 08 46.15 31 2012 12 23 09 45.77 31 2012 12 23 10 45.78 31 2012 12 23 11 45.63 31 2012 12 23 12 45.31 31 2012 12 23 13 45.86 31 2012 12 23 14 46.23 31 2012 12 23 15 46.34 31 2012 12 23 16 46.34 31 2012 12 23 17 46.79 31 2012 12 23 18 47.53 31 2012 12 23 19 46.26 31 2012 12 23 20 45.61 31 2012 12 23 21 44.33 31 2012 12 23 22 40.86 31 2012 12 23 23 36.48 31 2012 12 24 00 38.51 31 2012 12 24 01 38.69 31 2012 12 24 02 40.43 31 2012 12 24 03 42.60 31 2012 12 24 04 41.24 31 2012 12 24 05 45.24 31 2012 12 24 06 46.18 31 2012 12 24 07 48.24 31 2012 12 24 08 49.11 31 2012 12 24 09 48.54 31 2012 12 24 10 47.84 31 2012 12 24 11 47.44 31 2012 12 24 12 47.43 31 2012 12 24 13 47.37 31 2012 12 24 14 48.94 31 2012 12 24 15 45.88 31 2012 12 24 16 46.42 31 2012 12 24 17 47.35 31 2012 12 24 18 47.35 31 2012 12 24 19 48.82 31 2012 12 24 20 48.84 31 2012 12 24 21 43.06 31 2012 12 24 22 37.54 31 2012 12 24 23 34.25 31 2012 12 25 00 38.21 31 2012 12 25 01 37.68 31 2012 12 25 02 38.05 31 2012 12 25 03 42.47 31 2012 12 25 04 41.19 31 2012 12 25 05 43.22 31 2012 12 25 06 43.06 31 2012 12 25 07 43.58 31 2012 12 25 08 47.11 31 2012 12 25 09 48.77 31 2012 12 25 10 48.29 31 2012 12 25 11 47.15 31 2012 12 25 12 47.27 31 2012 12 25 13 47.44 31 2012 12 25 14 47.94 31 2012 12 25 15 46.77 31 2012 12 25 16 42.85 31 2012 12 25 17 39.12 31 2012 12 25 18 37.34 31 2012 12 25 19 38.78 31 2012 12 25 20 40.74 31 2012 12 25 21 43.17 31 2012 12 25 22 40.82 31 2012 12 25 23 37.58 31 2012 12 26 00 36.51 31 2012 12 26 01 32.04 31 2012 12 26 02 23.82 31 2012 12 26 03 17.74 31 2012 12 26 04 16.80 31 2012 12 26 05 15.28 31 2012 12 26 06 14.88 31 2012 12 26 07 15.31 31 2012 12 26 08 15.87 31 2012 12 26 09 17.85 31 2012 12 26 10 28.38 31 2012 12 26 11 23.43 31 2012 12 26 12 29.06 31 2012 12 26 13 25.92 31 2012 12 26 14 24.11 31 2012 12 26 15 24.87 31 2012 12 26 16 34.75 31 2012 12 26 17 39.98 31 2012 12 26 18 35.05 31 2012 12 26 19 39.17 31 2012 12 26 20 41.75 31 2012 12 26 21 41.05 31 2012 12 26 22 37.58 31 2012 12 26 23 33.46 31 2012 12 27 00 33.18 31 2012 12 27 01 34.00 31 2012 12 27 02 35.13 31 2012 12 27 03 36.96 31 2012 12 27 04 39.88 31 2012 12 27 05 42.27 31 2012 12 27 06 37.93 31 2012 12 27 07 33.16 31 2012 12 27 08 31.60 31 2012 12 27 09 31.63 31 2012 12 27 10 33.83 31 2012 12 27 11 35.81 31 2012 12 27 12 32.08 31 2012 12 27 13 32.14 31 2012 12 27 14 33.99 31 2012 12 27 15 32.53 31 2012 12 27 16 32.85 31 2012 12 27 17 30.58 31 2012 12 27 18 30.36 31 2012 12 27 19 29.12