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 2013 02 01 00 34.23 31 2013 02 01 01 34.66 31 2013 02 01 02 34.95 31 2013 02 01 03 35.58 31 2013 02 01 04 53.91 31 2013 02 01 05 55.27 31 2013 02 01 06 55.92 31 2013 02 01 07 56.43 31 2013 02 01 08 56.30 31 2013 02 01 09 56.58 31 2013 02 01 10 56.89 31 2013 02 01 11 58.38 31 2013 02 01 12 58.62 31 2013 02 01 13 58.39 31 2013 02 01 14 58.18 31 2013 02 01 15 57.68 31 2013 02 01 16 55.46 31 2013 02 01 17 54.43 31 2013 02 01 18 53.53 31 2013 02 01 19 53.56 31 2013 02 01 22 37.37 31 2013 02 01 23 53.67 31 2013 02 02 00 55.26 31 2013 02 02 01 53.83 31 2013 02 02 02 51.54 31 2013 02 02 03 50.09 31 2013 02 02 04 49.46 31 2013 02 02 05 49.38 31 2013 02 02 06 47.93 31 2013 02 02 07 46.92 31 2013 02 02 08 47.10 31 2013 02 02 09 48.00 31 2013 02 02 10 48.66 31 2013 02 02 11 49.06 31 2013 02 02 12 49.04 31 2013 02 02 13 49.34 31 2013 02 02 14 49.91 31 2013 02 02 15 50.50 31 2013 02 02 16 50.74 31 2013 02 02 17 51.68 31 2013 02 02 18 51.85 31 2013 02 02 19 51.91 31 2013 02 02 20 53.45 31 2013 02 02 21 51.69 31 2013 02 02 22 48.32 31 2013 02 02 23 45.87 31 2013 02 03 00 40.75 31 2013 02 03 01 52.08 31 2013 02 03 02 49.15 31 2013 02 03 03 48.89 31 2013 02 03 04 49.13 31 2013 02 03 05 49.07 31 2013 02 03 06 50.70 31 2013 02 03 07 52.00 31 2013 02 03 08 53.22 31 2013 02 03 09 52.37 31 2013 02 03 10 52.06 31 2013 02 03 11 52.00 31 2013 02 03 12 50.88 31 2013 02 03 13 42.13 31 2013 02 03 14 36.00 31 2013 02 03 15 37.28 31 2013 02 03 16 37.10 31 2013 02 03 17 38.29 31 2013 02 03 18 42.99 31 2013 02 03 19 44.95 31 2013 02 03 20 46.13 31 2013 02 03 21 48.13 31 2013 02 03 22 50.33 31 2013 02 03 23 49.82 31 2013 02 04 00 48.90 31 2013 02 04 01 42.26 31 2013 02 04 02 41.85 31 2013 02 04 03 42.91 31 2013 02 04 04 40.85 31 2013 02 04 05 41.62 31 2013 02 04 06 41.33 31 2013 02 04 07 41.56 31 2013 02 04 08 36.91 31 2013 02 04 09 37.05 31 2013 02 04 10 40.05 31 2013 02 04 11 40.99 31 2013 02 04 12 40.45 31 2013 02 04 13 39.95 31 2013 02 04 14 41.65 31 2013 02 04 15 41.19 31 2013 02 04 16 41.09 31 2013 02 04 17 39.28 31 2013 02 04 18 40.05 31 2013 02 04 19 41.22 31 2013 02 04 20 42.45 31 2013 02 04 21 44.79 31 2013 02 14 12 47.56 31 2013 02 14 13 47.97 31 2013 02 14 14 47.69 31 2013 02 14 15 44.89 31 2013 02 14 16 45.10 31 2013 02 14 17 46.02 31 2013 02 14 18 46.38 31 2013 02 14 19 46.54 31 2013 02 14 20 46.29 31 2013 02 14 21 45.33 31 2013 02 14 22 44.72 31 2013 02 14 23 43.83 31 2013 02 15 00 43.43 31 2013 02 15 01 47.04 31 2013 02 15 02 51.38 31 2013 02 15 03 53.89 31 2013 02 15 04 54.32 31 2013 02 15 05 56.00 31 2013 02 15 06 53.92 31 2013 02 15 07 51.29 31 2013 02 15 08 52.76 31 2013 02 15 09 49.80 31 2013 02 15 10 49.80 31 2013 02 15 11 47.17 31 2013 02 15 12 50.87 31 2013 02 15 13 50.75 31 2013 02 15 14 48.16 31 2013 02 15 15 47.45 31 2013 02 15 16 48.07 31 2013 02 15 17 50.95 31 2013 02 15 18 47.65 31 2013 02 15 19 49.69 31 2013 02 15 20 49.77 31 2013 02 15 21 46.54 31 2013 02 15 22 45.36 31 2013 02 15 23 41.71 31 2013 02 16 00 37.24 31 2013 02 16 01 34.20 31 2013 02 16 02 32.84 31 2013 02 16 03 32.70 31 2013 02 16 04 34.10 31 2013 02 16 05 36.35 31 2013 02 16 06 38.62 31 2013 02 16 07 43.77 31 2013 02 16 08 51.07 31 2013 02 16 09 41.24 31 2013 02 16 10 36.19 31 2013 02 16 11 37.56 31 2013 02 16 12 36.85 31 2013 02 16 13 43.44 31 2013 02 16 14 37.35 31 2013 02 16 15 37.48 31 2013 02 16 16 38.57 31 2013 02 16 17 38.80 31 2013 02 16 18 38.09 31 2013 02 16 19 39.77 31 2013 02 16 20 47.11 31 2013 02 16 21 42.73 31 2013 02 16 22 42.31 31 2013 02 16 23 45.42 31 2013 02 17 00 46.06 31 2013 02 17 01 49.77 31 2013 02 17 02 46.35 31 2013 02 17 03 45.81 31 2013 02 17 04 47.97 31 2013 02 17 05 53.46 31 2013 02 17 06 55.08 31 2013 02 17 07 54.90 31 2013 02 17 08 52.76 31 2013 02 17 09 53.18 31 2013 02 17 10 50.63 31 2013 02 17 11 48.27 31 2013 02 17 12 53.66 31 2013 02 17 13 54.65 31 2013 02 17 14 53.95 31 2013 02 17 15 51.80 31 2013 02 17 16 49.89 31 2013 02 17 17 50.99 31 2013 02 17 18 51.13 31 2013 02 17 19 47.61 31 2013 02 17 20 44.00 31 2013 02 17 21 46.33 31 2013 02 17 22 43.65 31 2013 02 17 23 44.64 31 2013 02 18 00 45.45 31 2013 02 18 01 42.96 31 2013 02 18 02 45.15 31 2013 02 18 03 44.56 31 2013 02 18 04 43.15 31 2013 02 18 05 43.55 31 2013 02 18 06 45.97 31 2013 02 18 07 43.66 31 2013 02 18 08 40.66 31 2013 02 18 09 43.98 31 2013 02 18 10 45.51 31 2013 02 18 11 44.39 31 2013 02 18 12 41.90 31 2013 02 18 13 44.99 31 2013 02 18 14 50.11 31 2013 02 18 15 39.94 31 2013 02 18 16 40.28 31 2013 02 18 17 37.69 31 2013 02 18 18 39.08 31 2013 02 18 19 43.25 31 2013 02 18 20 43.97 31 2013 02 18 21 43.59 31 2013 02 18 22 41.29 31 2013 02 18 23 40.50 31 2013 02 19 00 40.91 31 2013 02 19 01 41.90 31 2013 02 19 02 41.38 31 2013 02 19 03 44.45 31 2013 02 19 04 52.14 31 2013 02 19 05 52.43 31 2013 02 19 06 52.14 31 2013 02 19 07 52.03 31 2013 02 19 08 52.16 31 2013 02 19 09 52.31 31 2013 02 19 10 52.99 31 2013 02 19 11 52.82 31 2013 02 19 12 52.25 31 2013 02 19 13 52.46 31 2013 02 19 14 53.16 31 2013 02 19 15 53.68 31 2013 02 19 16 53.17 31 2013 02 19 17 53.11 31 2013 02 19 18 52.88 31 2013 02 19 19 53.32 31 2013 02 19 20 49.51 31 2013 02 19 21 44.20 31 2013 02 19 22 45.34 31 2013 02 19 23 43.09 31 2013 02 20 00 42.66 31 2013 02 20 01 42.34 31 2013 02 20 02 42.95 31 2013 02 20 03 42.92 31 2013 02 20 04 43.90 31 2013 02 20 05 49.39 31 2013 02 20 06 51.36 31 2013 02 20 07 53.08 31 2013 02 20 08 52.09 31 2013 02 20 09 48.62 31 2013 02 20 10 50.93 31 2013 02 20 11 49.98 31 2013 02 20 12 50.62 31 2013 02 20 13 51.79 31 2013 02 20 14 51.47 31 2013 02 20 15 51.38 31 2013 02 20 16 51.25 31 2013 02 20 17 41.85 31 2013 02 20 18 39.39 31 2013 02 20 19 38.60 31 2013 02 20 20 39.14 31 2013 02 20 21 39.18 31 2013 02 20 22 39.94 31 2013 02 20 23 39.10 31 2013 02 21 00 38.88 31 2013 02 21 01 39.11 31 2013 02 21 02 41.19 31 2013 02 21 03 42.01 31 2013 02 21 04 38.92 31 2013 02 21 05 38.26 31 2013 02 21 06 40.61 31 2013 02 21 07 40.85 31 2013 02 21 08 40.99 31 2013 02 21 09 40.10 31 2013 02 21 10 40.84 31 2013 02 21 11 41.69 31 2013 02 21 12 43.30 31 2013 02 21 13 42.29 31 2013 02 21 14 43.61 31 2013 02 21 15 42.92 31 2013 02 21 16 43.60 31 2013 02 21 17 45.15 31 2013 02 21 18 44.86 31 2013 02 21 19 45.97 31 2013 02 21 20 44.07 31 2013 02 21 21 40.57 31 2013 02 21 22 39.56 31 2013 02 21 23 37.27 31 2013 02 22 00 38.91 31 2013 02 22 01 39.48 31 2013 02 22 02 36.99 31 2013 02 22 03 39.64 31 2013 02 22 04 35.31 31 2013 02 22 05 32.71 31 2013 02 22 06 33.07 31 2013 02 22 07 33.48 31 2013 02 22 08 33.97 31 2013 02 22 09 34.31 31 2013 02 22 10 34.87 31 2013 02 22 11 34.95 31 2013 02 22 12 34.79 31 2013 02 22 13 34.39 31 2013 02 22 14 35.27 31 2013 02 22 15 34.75 31 2013 02 22 16 34.17 31 2013 02 22 17 34.36 31 2013 02 22 18 33.22 31 2013 02 22 19 33.71 31 2013 02 22 21 33.33 31 2013 02 22 22 35.16 31 2013 02 22 23 34.87 31 2013 02 23 00 34.22 31 2013 02 23 01 33.79 31 2013 02 23 02 34.05 31 2013 02 23 03 35.38 31 2013 02 23 04 37.14 31 2013 02 23 05 36.88 31 2013 02 23 06 36.60 31 2013 02 23 07 37.63 31 2013 02 23 08 37.35 31 2013 02 23 09 36.70 31 2013 02 23 10 36.14 31 2013 02 23 11 37.45 31 2013 02 23 12 38.33 31 2013 02 23 13 38.58 31 2013 02 23 14 38.17 31 2013 02 23 15 38.40 31 2013 02 23 16 39.17 31 2013 02 23 17 39.03 31 2013 02 23 18 37.23 31 2013 02 23 19 36.37 31 2013 02 23 20 36.73 31 2013 02 23 21 35.55 31 2013 02 23 22 35.86 31 2013 02 23 23 36.35 31 2013 02 24 00 37.89 31 2013 02 24 01 38.38 31 2013 02 24 02 37.05 31 2013 02 24 03 37.61 31 2013 02 24 04 37.21 31 2013 02 24 05 36.45 31 2013 02 24 06 35.91 31 2013 02 24 07 36.62 31 2013 02 24 08 36.91 31 2013 02 24 09 36.68 31 2013 02 24 10 36.36 31 2013 02 24 11 37.25 31 2013 02 24 12 38.07 31 2013 02 24 13 37.75 31 2013 02 24 14 37.53 31 2013 02 24 15 37.26 31 2013 02 24 16 37.27 31 2013 02 24 17 37.32 31 2013 02 24 18 38.26 31 2013 02 24 19 39.29 31 2013 02 24 20 38.68 31 2013 02 24 21 38.90 31 2013 02 24 22 39.05 31 2013 02 24 23 39.74 31 2013 02 25 00 38.55 31 2013 02 25 01 38.76 31 2013 02 25 02 39.29 31 2013 02 25 03 42.17 31 2013 02 25 04 42.02 31 2013 02 25 05 45.77 31 2013 02 25 06 50.14 31 2013 02 25 07 50.43 31 2013 02 25 08 49.48 31 2013 02 25 09 45.68 31 2013 02 25 10 48.33 31 2013 02 25 11 48.25 31 2013 02 25 12 45.49 31 2013 02 25 13 40.85 31 2013 02 25 14 43.44 31 2013 02 25 15 37.18 31 2013 02 25 16 39.57 31 2013 02 25 17 45.48 31 2013 02 25 18 44.97 31 2013 02 25 19 45.38 31 2013 02 25 21 46.95 31 2013 02 25 22 46.51 31 2013 02 25 23 43.53 31 2013 02 26 00 38.72 31 2013 02 26 01 34.60 31 2013 02 26 02 31.87 31 2013 02 26 03 32.13 31 2013 02 26 04 31.86 31 2013 02 26 05 32.61 31 2013 02 26 06 32.76 31 2013 02 26 07 34.51 31 2013 02 26 08 36.68 31 2013 02 26 09 39.33 31 2013 02 26 10 45.65 31 2013 02 26 11 46.11 31 2013 02 26 12 46.37 31 2013 02 26 13 47.20 31 2013 02 26 14 48.70 31 2013 02 26 15 51.82 31 2013 02 26 16 52.15 31 2013 02 26 17 49.62 31 2013 02 26 18 47.93 31 2013 02 26 19 45.86 31 2013 02 26 20 46.06 31 2013 02 26 21 46.69 31 2013 02 26 22 46.70 31 2013 02 26 23 46.93 31 2013 02 27 00 47.00 31 2013 02 27 01 47.11 31 2013 02 27 02 46.44 31 2013 02 27 03 48.17 31 2013 02 27 04 52.78 31 2013 02 27 05 52.62 31 2013 02 27 06 51.91 31 2013 02 27 07 51.31 31 2013 02 27 08 50.67 31 2013 02 27 09 52.00 31 2013 02 27 10 50.45 31 2013 02 27 11 49.98 31 2013 02 27 12 50.19 31 2013 02 27 13 51.21 31 2013 02 27 14 52.69 31 2013 02 27 15 54.20 31 2013 02 27 16 59.25 31 2013 02 27 17 59.50 31 2013 02 27 18 55.98 31 2013 02 27 19 56.30 31 2013 02 27 20 54.03 31 2013 02 27 21 51.56 31 2013 02 27 22 52.93 31 2013 02 27 23 54.14 31 2013 02 28 00 54.75 31 2013 02 28 01 54.28 31 2013 02 28 02 54.57 31 2013 02 28 03 56.88 31 2013 02 28 04 56.63 31 2013 02 28 05 56.50 31 2013 02 28 06 58.43 31 2013 02 28 07 58.55 31 2013 02 28 08 57.84 31 2013 02 28 09 59.38 31 2013 02 28 10 60.16 31 2013 02 28 11 59.42 31 2013 02 28 12 58.98 31 2013 02 28 13 58.41 31 2013 02 28 14 58.14 31 2013 02 28 15 58.35 31 2013 02 28 16 58.20 31 2013 02 28 17 57.84 31 2013 02 28 18 58.14 31 2013 02 28 19 58.53 31 2013 02 28 20 58.66 31 2013 02 28 21 59.11 31 2013 02 28 22 58.58 31 2013 02 28 23 56.96