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) SUM 2012 02 01 00 44.18 SUM 2012 02 01 01 43.85 SUM 2012 02 01 02 43.77 SUM 2012 02 01 03 43.88 SUM 2012 02 01 04 44.12 SUM 2012 02 01 05 44.01 SUM 2012 02 01 06 44.13 SUM 2012 02 01 07 44.05 SUM 2012 02 01 08 44.15 SUM 2012 02 01 09 43.78 SUM 2012 02 01 10 42.92 SUM 2012 02 01 11 42.37 SUM 2012 02 01 12 42.13 SUM 2012 02 01 13 42.09 SUM 2012 02 01 14 42.09 SUM 2012 02 01 15 42.04 SUM 2012 02 01 16 41.92 SUM 2012 02 01 17 41.88 SUM 2012 02 01 18 41.78 SUM 2012 02 01 19 41.69 SUM 2012 02 01 20 41.68 SUM 2012 02 01 21 41.81 SUM 2012 02 01 22 41.82 SUM 2012 02 01 23 41.81 SUM 2012 02 02 00 41.75 SUM 2012 02 02 01 41.82 SUM 2012 02 02 02 41.76 SUM 2012 02 02 03 41.76 SUM 2012 02 02 04 41.87 SUM 2012 02 02 05 41.93 SUM 2012 02 02 06 41.91 SUM 2012 02 02 07 42.10 SUM 2012 02 02 08 42.06 SUM 2012 02 02 09 42.39 SUM 2012 02 02 10 42.35 SUM 2012 02 02 11 42.31 SUM 2012 02 02 12 42.24 SUM 2012 02 02 13 42.07 SUM 2012 02 02 14 41.97 SUM 2012 02 02 15 42.08 SUM 2012 02 02 16 42.06 SUM 2012 02 02 17 42.12 SUM 2012 02 02 18 42.17 SUM 2012 02 02 19 42.22 SUM 2012 02 02 20 42.21 SUM 2012 02 02 21 42.24 SUM 2012 02 02 22 42.28 SUM 2012 02 02 23 42.29 SUM 2012 02 03 00 42.34 SUM 2012 02 03 01 42.46 SUM 2012 02 03 02 42.51 SUM 2012 02 03 03 42.75 SUM 2012 02 03 04 42.84 SUM 2012 02 03 05 42.82 SUM 2012 02 03 06 42.72 SUM 2012 02 03 07 42.70 SUM 2012 02 03 08 42.85 SUM 2012 02 03 09 43.06 SUM 2012 02 03 10 43.37 SUM 2012 02 03 11 43.86 SUM 2012 02 03 12 44.11 SUM 2012 02 03 13 44.03 SUM 2012 02 03 14 43.88 SUM 2012 02 03 15 43.79 SUM 2012 02 03 16 43.66 SUM 2012 02 03 17 43.39 SUM 2012 02 03 18 43.06 SUM 2012 02 03 19 42.59 SUM 2012 02 03 20 42.26 SUM 2012 02 03 21 42.19 SUM 2012 02 03 22 42.23 SUM 2012 02 03 23 42.17 SUM 2012 02 04 00 42.14 SUM 2012 02 04 01 42.11 SUM 2012 02 04 02 41.96 SUM 2012 02 04 03 41.90 SUM 2012 02 04 04 42.08 SUM 2012 02 04 05 41.93 SUM 2012 02 04 06 41.77 SUM 2012 02 04 07 41.46 SUM 2012 02 04 08 41.27 SUM 2012 02 04 09 41.05 SUM 2012 02 04 10 40.72 SUM 2012 02 04 11 40.58 SUM 2012 02 04 12 40.60 SUM 2012 02 04 13 40.61 SUM 2012 02 04 14 40.70 SUM 2012 02 04 15 40.81 SUM 2012 02 04 16 40.86 SUM 2012 02 04 17 40.90 SUM 2012 02 04 18 40.93 SUM 2012 02 04 19 40.98 SUM 2012 02 04 20 41.01 SUM 2012 02 04 21 41.16 SUM 2012 02 04 22 41.33 SUM 2012 02 04 23 41.21 SUM 2012 02 05 00 41.30 SUM 2012 02 05 01 41.30 SUM 2012 02 05 02 41.28 SUM 2012 02 05 03 41.27 SUM 2012 02 05 04 41.27 SUM 2012 02 05 05 41.28 SUM 2012 02 05 06 41.36 SUM 2012 02 05 07 41.50 SUM 2012 02 05 08 41.51 SUM 2012 02 05 09 41.34 SUM 2012 02 05 10 41.07 SUM 2012 02 05 11 41.18 SUM 2012 02 05 12 41.72 SUM 2012 02 05 13 41.60 SUM 2012 02 05 14 41.68 SUM 2012 02 05 15 41.62 SUM 2012 02 05 16 41.48 SUM 2012 02 05 17 41.58 SUM 2012 02 05 18 41.72 SUM 2012 02 05 19 42.10 SUM 2012 02 05 20 42.37 SUM 2012 02 05 21 42.48 SUM 2012 02 05 22 42.50 SUM 2012 02 05 23 42.60 SUM 2012 02 06 00 42.31 SUM 2012 02 06 01 42.34 SUM 2012 02 06 02 42.26 SUM 2012 02 06 03 42.20 SUM 2012 02 06 04 42.29 SUM 2012 02 06 05 42.10 SUM 2012 02 06 06 41.88 SUM 2012 02 06 07 41.98 SUM 2012 02 06 08 41.96 SUM 2012 02 06 09 41.86 SUM 2012 02 06 10 41.85 SUM 2012 02 06 11 41.93 SUM 2012 02 06 12 42.13 SUM 2012 02 06 13 42.35 SUM 2012 02 06 16 41.96 SUM 2012 02 06 17 41.81 SUM 2012 02 06 18 42.40 SUM 2012 02 06 19 42.85 SUM 2012 02 06 20 42.60 SUM 2012 02 06 21 42.49 SUM 2012 02 06 22 42.53 SUM 2012 02 06 23 42.52 SUM 2012 02 07 00 42.44 SUM 2012 02 07 01 42.33 SUM 2012 02 07 02 42.20 SUM 2012 02 07 03 42.29 SUM 2012 02 07 04 42.62 SUM 2012 02 07 05 42.69 SUM 2012 02 07 06 42.47 SUM 2012 02 07 07 42.22 SUM 2012 02 07 08 41.84 SUM 2012 02 07 09 42.43 SUM 2012 02 07 10 42.13 SUM 2012 02 07 11 41.32 SUM 2012 02 07 12 41.19 SUM 2012 02 07 13 41.35 SUM 2012 02 07 14 41.26 SUM 2012 02 07 15 41.17 SUM 2012 02 07 16 41.31 SUM 2012 02 07 17 41.33 SUM 2012 02 07 18 41.09 SUM 2012 02 07 19 40.88 SUM 2012 02 07 20 40.82 SUM 2012 02 07 21 40.73 SUM 2012 02 07 22 40.71 SUM 2012 02 07 23 40.69 SUM 2012 02 08 00 40.62 SUM 2012 02 08 01 40.69 SUM 2012 02 08 02 40.77 SUM 2012 02 08 03 40.62 SUM 2012 02 08 04 40.34 SUM 2012 02 08 05 40.05 SUM 2012 02 08 06 40.10 SUM 2012 02 08 07 40.01 SUM 2012 02 08 08 39.85 SUM 2012 02 08 09 39.83 SUM 2012 02 08 10 39.87 SUM 2012 02 08 11 39.86 SUM 2012 02 08 12 39.88 SUM 2012 02 08 13 40.18 SUM 2012 02 08 14 41.70 SUM 2012 02 08 15 41.99 SUM 2012 02 08 16 42.44 SUM 2012 02 08 17 42.69 SUM 2012 02 08 18 43.38 SUM 2012 02 08 19 43.51 SUM 2012 02 08 20 44.16 SUM 2012 02 08 21 44.17 SUM 2012 02 08 22 44.11 SUM 2012 02 08 23 44.22 SUM 2012 02 09 00 44.58 SUM 2012 02 09 01 44.82 SUM 2012 02 09 02 45.01 SUM 2012 02 09 03 45.07 SUM 2012 02 09 04 44.82 SUM 2012 02 09 05 44.60 SUM 2012 02 09 06 44.43 SUM 2012 02 09 07 44.13 SUM 2012 02 09 08 43.90 SUM 2012 02 09 09 43.71 SUM 2012 02 09 10 43.64 SUM 2012 02 09 11 43.88 SUM 2012 02 09 12 43.86 SUM 2012 02 09 13 43.70 SUM 2012 02 09 14 43.78 SUM 2012 02 09 15 43.78 SUM 2012 02 09 16 43.62 SUM 2012 02 09 17 43.41 SUM 2012 02 09 18 43.32 SUM 2012 02 09 19 43.28 SUM 2012 02 09 20 42.92 SUM 2012 02 09 21 42.82 SUM 2012 02 09 22 42.61 SUM 2012 02 09 23 42.47 SUM 2012 02 10 00 42.22 SUM 2012 02 10 01 41.94 SUM 2012 02 10 02 41.88 SUM 2012 02 10 03 41.85 SUM 2012 02 10 04 41.79 SUM 2012 02 10 05 41.81 SUM 2012 02 10 06 41.84 SUM 2012 02 10 07 41.92 SUM 2012 02 10 08 41.74 SUM 2012 02 10 09 41.58 SUM 2012 02 10 10 41.38 SUM 2012 02 10 11 41.30 SUM 2012 02 10 12 41.24 SUM 2012 02 10 13 41.24 SUM 2012 02 10 14 41.19 SUM 2012 02 10 15 41.20 SUM 2012 02 10 16 41.26 SUM 2012 02 10 17 41.28 SUM 2012 02 10 18 41.48 SUM 2012 02 10 19 41.46 SUM 2012 02 10 20 41.37 SUM 2012 02 10 21 41.37 SUM 2012 02 10 22 41.38 SUM 2012 02 10 23 41.45 SUM 2012 02 11 00 41.45 SUM 2012 02 11 01 41.48 SUM 2012 02 11 02 41.43 SUM 2012 02 11 03 41.37 SUM 2012 02 11 04 41.51 SUM 2012 02 11 05 41.54 SUM 2012 02 11 06 41.73 SUM 2012 02 11 07 41.85 SUM 2012 02 11 08 41.87 SUM 2012 02 11 09 41.76 SUM 2012 02 11 10 41.63 SUM 2012 02 11 11 41.66 SUM 2012 02 11 12 41.79 SUM 2012 02 11 13 41.81 SUM 2012 02 11 14 41.72 SUM 2012 02 11 15 41.86 SUM 2012 02 11 16 42.09 SUM 2012 02 11 17 42.07 SUM 2012 02 11 18 42.34 SUM 2012 02 11 19 43.88 SUM 2012 02 11 20 45.09 SUM 2012 02 11 21 46.10 SUM 2012 02 11 22 46.42 SUM 2012 02 11 23 45.81 SUM 2012 02 12 00 45.19 SUM 2012 02 12 01 44.41 SUM 2012 02 12 02 43.89 SUM 2012 02 12 03 43.61 SUM 2012 02 12 04 43.63 SUM 2012 02 12 05 43.49 SUM 2012 02 12 06 43.28 SUM 2012 02 12 07 43.00 SUM 2012 02 12 08 42.80 SUM 2012 02 12 09 42.78 SUM 2012 02 12 10 42.83 SUM 2012 02 12 11 42.96 SUM 2012 02 12 12 42.80 SUM 2012 02 12 13 42.60 SUM 2012 02 12 14 42.20 SUM 2012 02 12 15 41.32 SUM 2012 02 12 16 40.18 SUM 2012 02 12 17 39.57 SUM 2012 02 12 18 39.52 SUM 2012 02 12 19 39.47 SUM 2012 02 12 20 39.91 SUM 2012 02 12 21 40.65 SUM 2012 02 12 22 41.62 SUM 2012 02 12 23 41.99 SUM 2012 02 13 00 42.89 SUM 2012 02 13 01 43.42 SUM 2012 02 13 02 42.83 SUM 2012 02 13 03 40.48 SUM 2012 02 13 04 40.01 SUM 2012 02 13 05 39.62 SUM 2012 02 13 06 39.67 SUM 2012 02 13 07 40.21 SUM 2012 02 13 08 40.96 SUM 2012 02 13 09 41.86 SUM 2012 02 13 10 42.32 SUM 2012 02 13 11 42.85 SUM 2012 02 13 12 42.23 SUM 2012 02 13 13 41.22 SUM 2012 02 13 14 40.05 SUM 2012 02 13 15 39.65 SUM 2012 02 13 18 41.92 SUM 2012 02 19 07 41.78 SUM 2012 02 19 08 41.20 SUM 2012 02 19 09 40.90 SUM 2012 02 19 10 40.51 SUM 2012 02 19 11 39.94 SUM 2012 02 19 12 39.55 SUM 2012 02 19 13 39.39 SUM 2012 02 19 14 39.37 SUM 2012 02 19 15 39.23 SUM 2012 02 19 16 40.08 SUM 2012 02 19 17 40.98 SUM 2012 02 19 18 40.51 SUM 2012 02 19 19 40.73 SUM 2012 02 19 20 42.11 SUM 2012 02 19 21 42.85 SUM 2012 02 19 22 43.37 SUM 2012 02 19 23 43.30 SUM 2012 02 20 00 42.91 SUM 2012 02 20 01 43.06 SUM 2012 02 20 02 42.92 SUM 2012 02 20 03 42.91 SUM 2012 02 20 04 42.79 SUM 2012 02 20 05 42.82 SUM 2012 02 20 06 42.94 SUM 2012 02 20 07 43.38 SUM 2012 02 20 08 43.78 SUM 2012 02 20 09 43.91 SUM 2012 02 20 10 44.20 SUM 2012 02 20 11 44.43 SUM 2012 02 20 12 44.89 SUM 2012 02 20 15 44.64 SUM 2012 02 20 16 44.96 SUM 2012 02 20 17 45.36 SUM 2012 02 20 18 45.69 SUM 2012 02 20 19 45.99 SUM 2012 02 20 20 46.02 SUM 2012 02 20 21 45.97 SUM 2012 02 20 22 46.25 SUM 2012 02 20 23 46.64 SUM 2012 02 21 00 47.18 SUM 2012 02 21 01 47.68 SUM 2012 02 21 02 47.83 SUM 2012 02 21 03 47.76 SUM 2012 02 21 04 47.57 SUM 2012 02 21 05 47.60 SUM 2012 02 21 06 47.92 SUM 2012 02 21 07 48.40 SUM 2012 02 21 08 48.73 SUM 2012 02 21 09 48.66 SUM 2012 02 21 10 48.63 SUM 2012 02 21 11 48.71 SUM 2012 02 21 12 48.38 SUM 2012 02 21 13 48.08 SUM 2012 02 21 14 47.66 SUM 2012 02 21 15 47.19 SUM 2012 02 21 16 46.88 SUM 2012 02 21 17 46.05 SUM 2012 02 21 18 45.60 SUM 2012 02 21 19 45.25 SUM 2012 02 21 20 45.34 SUM 2012 02 21 21 45.52 SUM 2012 02 21 22 46.00 SUM 2012 02 21 23 46.31 SUM 2012 02 22 00 45.97 SUM 2012 02 22 01 46.09 SUM 2012 02 22 02 47.11 SUM 2012 02 22 03 49.60 SUM 2012 02 22 04 50.25 SUM 2012 02 22 05 51.58 SUM 2012 02 22 06 52.09 SUM 2012 02 22 07 52.09 SUM 2012 02 22 08 51.92 SUM 2012 02 22 09 51.71 SUM 2012 02 22 10 51.50 SUM 2012 02 22 11 51.37 SUM 2012 02 22 12 51.14 SUM 2012 02 22 13 50.76 SUM 2012 02 22 14 50.37 SUM 2012 02 22 15 50.09 SUM 2012 02 22 16 49.93 SUM 2012 02 22 17 49.71 SUM 2012 02 22 18 49.71 SUM 2012 02 22 19 49.73 SUM 2012 02 22 20 49.70 SUM 2012 02 22 21 49.73 SUM 2012 02 22 22 50.17 SUM 2012 02 22 23 50.17 SUM 2012 02 23 00 49.72 SUM 2012 02 23 01 49.67 SUM 2012 02 23 02 50.34 SUM 2012 02 23 03 50.34 SUM 2012 02 23 04 50.95 SUM 2012 02 23 05 49.53 SUM 2012 02 23 06 48.02 SUM 2012 02 23 07 48.76 SUM 2012 02 23 08 45.98 SUM 2012 02 23 09 45.43 SUM 2012 02 23 10 45.45 SUM 2012 02 23 11 45.35 SUM 2012 02 23 12 45.62 SUM 2012 02 23 13 45.30 SUM 2012 02 23 14 45.28 SUM 2012 02 23 15 44.79 SUM 2012 02 23 16 44.82 SUM 2012 02 23 17 44.76 SUM 2012 02 23 18 44.82 SUM 2012 02 23 19 45.15 SUM 2012 02 23 20 45.74 SUM 2012 02 23 21 47.02 SUM 2012 02 23 22 47.00 SUM 2012 02 23 23 46.00 SUM 2012 02 24 00 45.88 SUM 2012 02 24 01 46.33 SUM 2012 02 24 02 47.14 SUM 2012 02 24 03 47.44 SUM 2012 02 24 04 47.81 SUM 2012 02 24 05 48.37 SUM 2012 02 24 06 48.49 SUM 2012 02 24 07 49.49 SUM 2012 02 24 08 50.72 SUM 2012 02 24 09 50.21 SUM 2012 02 24 10 51.74 SUM 2012 02 24 11 52.10 SUM 2012 02 24 12 51.03 SUM 2012 02 24 13 51.14 SUM 2012 02 24 14 51.12 SUM 2012 02 24 15 51.54 SUM 2012 02 24 16 52.02 SUM 2012 02 24 17 51.69 SUM 2012 02 24 18 51.02 SUM 2012 02 24 19 50.56 SUM 2012 02 24 20 50.09 SUM 2012 02 24 21 49.59 SUM 2012 02 24 22 49.18 SUM 2012 02 24 23 48.58 SUM 2012 02 25 00 47.69 SUM 2012 02 25 01 47.02 SUM 2012 02 25 02 46.77 SUM 2012 02 25 03 46.31 SUM 2012 02 25 04 45.42 SUM 2012 02 25 05 46.76 SUM 2012 02 25 06 45.91 SUM 2012 02 25 07 45.35 SUM 2012 02 25 08 44.79 SUM 2012 02 25 09 44.72 SUM 2012 02 25 10 44.61 SUM 2012 02 25 11 44.34 SUM 2012 02 25 12 44.10 SUM 2012 02 25 13 43.99 SUM 2012 02 25 14 43.88 SUM 2012 02 25 15 44.21 SUM 2012 02 25 16 44.74 SUM 2012 02 25 17 44.80 SUM 2012 02 25 18 44.84 SUM 2012 02 25 19 44.75 SUM 2012 02 25 20 44.74 SUM 2012 02 25 21 44.70 SUM 2012 02 25 22 44.62 SUM 2012 02 25 23 44.72 SUM 2012 02 26 00 45.27 SUM 2012 02 26 01 46.14 SUM 2012 02 26 02 45.86 SUM 2012 02 26 03 46.29 SUM 2012 02 26 04 46.18 SUM 2012 02 26 05 46.23 SUM 2012 02 26 06 46.58 SUM 2012 02 26 07 46.68 SUM 2012 02 26 08 46.25 SUM 2012 02 26 09 46.26 SUM 2012 02 26 10 45.99 SUM 2012 02 26 11 46.23 SUM 2012 02 26 12 46.25 SUM 2012 02 26 13 45.98 SUM 2012 02 26 14 45.47 SUM 2012 02 26 15 45.50 SUM 2012 02 26 16 45.23 SUM 2012 02 26 17 44.77 SUM 2012 02 26 18 44.53 SUM 2012 02 26 19 44.59 SUM 2012 02 26 20 44.63 SUM 2012 02 26 21 44.44 SUM 2012 02 26 22 44.56 SUM 2012 02 26 23 44.80 SUM 2012 02 27 00 45.65 SUM 2012 02 27 01 45.76 SUM 2012 02 27 02 47.50 SUM 2012 02 27 03 48.00 SUM 2012 02 27 04 47.96 SUM 2012 02 27 05 47.66 SUM 2012 02 27 06 47.24 SUM 2012 02 27 07 46.77 SUM 2012 02 27 08 46.48 SUM 2012 02 27 09 46.67 SUM 2012 02 27 10 46.60 SUM 2012 02 27 11 46.65 SUM 2012 02 27 12 46.62 SUM 2012 02 27 15 47.85 SUM 2012 02 27 16 47.27 SUM 2012 02 27 17 46.17 SUM 2012 02 27 18 46.45 SUM 2012 02 27 19 46.10 SUM 2012 02 27 20 46.26 SUM 2012 02 27 21 46.02 SUM 2012 02 27 22 45.68 SUM 2012 02 27 23 45.61 SUM 2012 02 28 00 46.13 SUM 2012 02 28 01 46.11 SUM 2012 02 28 02 45.98 SUM 2012 02 28 03 45.89 SUM 2012 02 28 04 46.25 SUM 2012 02 28 05 46.18 SUM 2012 02 28 06 46.07 SUM 2012 02 28 07 46.19 SUM 2012 02 28 08 46.42 SUM 2012 02 28 09 46.42 SUM 2012 02 28 10 47.36 SUM 2012 02 28 11 47.24 SUM 2012 02 28 12 47.22 SUM 2012 02 28 13 46.63 SUM 2012 02 28 14 46.18 SUM 2012 02 28 15 45.85 SUM 2012 02 28 16 45.17 SUM 2012 02 28 17 45.56 SUM 2012 02 28 18 43.95 SUM 2012 02 28 19 41.18 SUM 2012 02 28 20 39.27 SUM 2012 02 28 21 39.73 SUM 2012 02 28 22 39.36 SUM 2012 02 28 23 39.00 SUM 2012 02 29 00 39.38 SUM 2012 02 29 01 41.88 SUM 2012 02 29 02 43.09 SUM 2012 02 29 03 42.22 SUM 2012 02 29 04 42.13 SUM 2012 02 29 05 42.70 SUM 2012 02 29 06 43.02 SUM 2012 02 29 07 42.93 SUM 2012 02 29 08 43.72 SUM 2012 02 29 09 43.84 SUM 2012 02 29 10 43.39 SUM 2012 02 29 11 43.38 SUM 2012 02 29 12 43.11 SUM 2012 02 29 13 42.68 SUM 2012 02 29 14 42.65 SUM 2012 02 29 15 42.16 SUM 2012 02 29 16 42.92 SUM 2012 02 29 17 43.32 SUM 2012 02 29 18 43.46 SUM 2012 02 29 19 43.41 SUM 2012 02 29 20 44.40 SUM 2012 02 29 21 49.46 SUM 2012 02 29 22 53.04 SUM 2012 02 29 23 54.03