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 05 01 00 36.03 31 2013 05 01 01 34.73 31 2013 05 01 02 32.44 31 2013 05 01 03 32.66 31 2013 05 01 04 34.56 31 2013 05 01 05 46.53 31 2013 05 01 06 39.37 31 2013 05 01 07 39.65 31 2013 05 01 08 46.21 31 2013 05 01 09 50.20 31 2013 05 01 10 57.35 31 2013 05 01 11 58.83 31 2013 05 01 12 45.56 31 2013 05 01 13 37.31 31 2013 05 01 14 32.60 31 2013 05 01 15 32.07 31 2013 05 01 16 29.93 31 2013 05 01 17 30.86 31 2013 05 01 18 32.20 31 2013 05 01 19 34.50 31 2013 05 01 22 45.11 31 2013 05 01 23 45.88 31 2013 05 02 00 47.76 31 2013 05 02 01 41.60 31 2013 05 02 02 42.65 31 2013 05 02 03 37.13 31 2013 05 02 04 38.61 31 2013 05 02 05 40.41 31 2013 05 02 06 44.47 31 2013 05 02 07 52.48 31 2013 05 02 08 45.33 31 2013 05 02 09 53.22 31 2013 05 02 10 53.28 31 2013 05 02 11 56.46 31 2013 05 02 12 64.61 31 2013 05 02 13 69.20 31 2013 05 02 14 71.86 31 2013 05 02 15 56.88 31 2013 05 02 16 50.97 31 2013 05 02 17 56.75 31 2013 05 02 18 71.52 31 2013 05 02 19 56.01 31 2013 05 02 20 53.06 31 2013 05 02 21 47.21 31 2013 05 02 22 41.40 31 2013 05 02 23 39.41 31 2013 05 03 00 39.61 31 2013 05 03 01 43.36 31 2013 05 03 02 43.34 31 2013 05 03 03 44.55 31 2013 05 03 04 59.21 31 2013 05 03 05 74.65 31 2013 05 03 06 69.44 31 2013 05 03 07 58.63 31 2013 05 03 08 73.66 31 2013 05 03 09 79.32 31 2013 05 03 10 80.91 31 2013 05 03 11 79.37 31 2013 05 03 12 77.93 31 2013 05 03 13 81.40 31 2013 05 03 14 82.39 31 2013 05 03 15 80.44 31 2013 05 03 16 79.36 31 2013 05 03 17 78.48 31 2013 05 03 18 73.07 31 2013 05 03 19 69.09 31 2013 05 03 20 54.43 31 2013 05 03 21 44.14 31 2013 05 03 22 43.22 31 2013 05 03 23 40.63 31 2013 05 04 00 42.07 31 2013 05 04 01 39.15 31 2013 05 04 02 39.91 31 2013 05 04 03 43.26 31 2013 05 04 04 60.66 31 2013 05 04 05 81.65 31 2013 05 04 06 82.43 31 2013 05 04 07 79.62 31 2013 05 04 08 79.07 31 2013 05 04 09 82.01 31 2013 05 04 10 82.30 31 2013 05 04 11 81.27 31 2013 05 04 12 76.59 31 2013 05 04 13 82.20 31 2013 05 04 14 83.56 31 2013 05 04 15 75.80 31 2013 05 04 16 75.45 31 2013 05 04 17 77.81 31 2013 05 04 18 66.94 31 2013 05 04 19 50.41 31 2013 05 04 20 45.17 31 2013 05 04 21 47.82 31 2013 05 04 22 46.03 31 2013 05 04 23 46.38 31 2013 05 05 00 45.72 31 2013 05 05 01 42.85 31 2013 05 05 02 41.60 31 2013 05 05 03 41.94 31 2013 05 05 04 44.48 31 2013 05 05 05 64.84 31 2013 05 05 06 76.48 31 2013 05 05 07 72.31 31 2013 05 05 08 69.33 31 2013 05 05 09 59.09 31 2013 05 05 10 60.23 31 2013 05 05 11 59.49 31 2013 05 05 12 57.35 31 2013 05 05 13 58.73 31 2013 05 05 14 52.50 31 2013 05 05 15 50.13 31 2013 05 05 16 44.30 31 2013 05 05 17 42.94 31 2013 05 05 18 38.08 31 2013 05 05 19 36.76 31 2013 05 05 20 36.87 31 2013 05 05 21 35.99 31 2013 05 05 22 33.97 31 2013 05 05 23 31.75 31 2013 05 06 00 31.18 31 2013 05 06 01 28.97 31 2013 05 06 02 28.99 31 2013 05 06 03 29.22 31 2013 05 06 04 28.31 31 2013 05 06 05 28.26 31 2013 05 06 06 26.32 31 2013 05 06 07 23.06 31 2013 05 06 08 21.52 31 2013 05 06 09 21.51 31 2013 05 06 10 22.17 31 2013 05 06 11 23.02 31 2013 05 06 12 24.83 31 2013 05 06 13 22.02 31 2013 05 06 14 21.45 31 2013 05 06 15 23.10 31 2013 05 06 16 25.06 31 2013 05 06 17 30.14 31 2013 05 06 18 31.34 31 2013 05 06 19 32.97 31 2013 05 06 20 29.08 31 2013 05 12 13 47.83 31 2013 05 12 14 59.42 31 2013 05 12 15 57.58 31 2013 05 12 16 77.66 31 2013 05 12 17 75.49 31 2013 05 12 18 55.23 31 2013 05 12 19 36.14 31 2013 05 12 20 27.04 31 2013 05 12 21 26.11 31 2013 05 12 22 26.84 31 2013 05 12 23 32.85 31 2013 05 13 00 33.78 31 2013 05 13 01 30.36 31 2013 05 13 02 26.70 31 2013 05 13 03 28.29 31 2013 05 13 04 33.79 31 2013 05 13 05 37.64 31 2013 05 13 06 43.05 31 2013 05 13 07 62.62 31 2013 05 13 08 63.01 31 2013 05 13 09 68.81 31 2013 05 13 10 70.37 31 2013 05 13 11 68.21 31 2013 05 13 12 68.30 31 2013 05 13 13 70.10 31 2013 05 13 14 70.99 31 2013 05 13 15 67.61 31 2013 05 13 16 63.30 31 2013 05 13 17 61.67 31 2013 05 13 18 60.78 31 2013 05 13 19 35.05 31 2013 05 13 22 30.11 31 2013 05 13 23 30.52 31 2013 05 14 00 29.70 31 2013 05 14 01 30.32 31 2013 05 14 02 30.63 31 2013 05 14 03 32.63 31 2013 05 14 04 36.65 31 2013 05 14 05 44.02 31 2013 05 14 06 49.63 31 2013 05 14 07 44.07 31 2013 05 14 08 42.62 31 2013 05 14 09 46.30 31 2013 05 14 10 46.15 31 2013 05 14 11 44.02 31 2013 05 14 12 42.96 31 2013 05 14 13 43.03 31 2013 05 14 14 43.94 31 2013 05 14 15 45.61 31 2013 05 14 16 44.77 31 2013 05 14 17 44.84 31 2013 05 14 18 46.69 31 2013 05 14 19 48.69 31 2013 05 14 20 41.46 31 2013 05 14 21 40.05 31 2013 05 14 22 39.05 31 2013 05 14 23 39.64 31 2013 05 15 00 38.66 31 2013 05 15 01 38.17 31 2013 05 15 02 35.93 31 2013 05 15 03 35.48 31 2013 05 15 04 41.53 31 2013 05 15 05 47.87 31 2013 05 15 06 45.67 31 2013 05 15 07 51.47 31 2013 05 15 08 55.94 31 2013 05 15 09 52.87 31 2013 05 15 10 43.08 31 2013 05 15 11 43.19 31 2013 05 15 12 45.98 31 2013 05 15 13 48.45 31 2013 05 15 14 57.12 31 2013 05 15 15 60.28 31 2013 05 15 16 63.28 31 2013 05 15 17 57.31 31 2013 05 15 18 53.45 31 2013 05 15 19 44.46 31 2013 05 15 20 39.67 31 2013 05 15 21 40.42 31 2013 05 15 22 43.97 31 2013 05 15 23 45.52 31 2013 05 16 00 39.42 31 2013 05 16 01 38.85 31 2013 05 16 02 36.30 31 2013 05 16 03 40.16 31 2013 05 16 04 46.28 31 2013 05 16 05 54.42 31 2013 05 16 06 54.60 31 2013 05 16 07 59.96 31 2013 05 16 08 59.89 31 2013 05 16 09 60.87 31 2013 05 16 10 64.58 31 2013 05 16 11 67.87 31 2013 05 16 12 65.34 31 2013 05 16 13 66.39 31 2013 05 16 14 66.08 31 2013 05 16 15 68.38 31 2013 05 16 16 65.39 31 2013 05 16 17 62.46 31 2013 05 16 18 59.45 31 2013 05 16 19 56.26 31 2013 05 16 20 46.73 31 2013 05 16 21 41.95 31 2013 05 16 22 39.32 31 2013 05 16 23 40.24 31 2013 05 17 00 37.88 31 2013 05 17 01 38.02 31 2013 05 17 02 40.97 31 2013 05 17 03 43.97 31 2013 05 17 04 47.99 31 2013 05 17 05 63.46 31 2013 05 17 06 66.10 31 2013 05 17 07 67.18 31 2013 05 17 08 67.05 31 2013 05 17 09 67.99 31 2013 05 17 10 68.98 31 2013 05 17 11 72.16 31 2013 05 17 12 73.97 31 2013 05 17 13 72.22 31 2013 05 17 14 70.27 31 2013 05 17 15 70.05 31 2013 05 17 16 68.80 31 2013 05 17 17 67.40 31 2013 05 17 18 62.07 31 2013 05 17 19 50.81 31 2013 05 17 20 43.28 31 2013 05 17 21 41.09 31 2013 05 17 22 40.90 31 2013 05 17 23 43.01 31 2013 05 18 00 44.53 31 2013 05 18 01 46.37 31 2013 05 18 02 46.76 31 2013 05 18 03 46.75 31 2013 05 18 04 46.75 31 2013 05 18 05 46.41 31 2013 05 18 06 49.01 31 2013 05 18 07 64.47 31 2013 05 18 08 63.58 31 2013 05 18 09 64.54 31 2013 05 18 10 61.98 31 2013 05 18 11 62.45 31 2013 05 18 12 57.19 31 2013 05 18 13 65.08 31 2013 05 18 14 68.44 31 2013 05 18 15 62.11 31 2013 05 18 16 66.57 31 2013 05 18 17 57.10 31 2013 05 18 18 48.13 31 2013 05 18 19 42.59 31 2013 05 18 20 41.90 31 2013 05 18 21 42.42 31 2013 05 18 22 42.03 31 2013 05 18 23 40.73 31 2013 05 19 00 41.79 31 2013 05 19 01 42.85 31 2013 05 19 02 43.97 31 2013 05 19 03 45.53 31 2013 05 19 04 44.63 31 2013 05 19 05 42.97 31 2013 05 19 06 45.90 31 2013 05 19 07 46.63 31 2013 05 19 08 48.69 31 2013 05 19 09 61.55 31 2013 05 19 10 60.68 31 2013 05 19 11 55.48 31 2013 05 19 12 50.88 31 2013 05 19 13 44.92 31 2013 05 19 14 46.60 31 2013 05 19 15 47.17 31 2013 05 19 16 49.28 31 2013 05 19 17 49.53 31 2013 05 19 18 49.89 31 2013 05 19 19 35.77 31 2013 05 19 20 35.81 31 2013 05 19 21 38.71 31 2013 05 19 22 38.88 31 2013 05 19 23 39.26 31 2013 05 20 00 42.54 31 2013 05 20 01 41.41 31 2013 05 20 02 39.58 31 2013 05 20 03 40.71 31 2013 05 20 04 36.20 31 2013 05 20 05 44.49 31 2013 05 20 06 46.80 31 2013 05 20 07 43.62 31 2013 05 20 08 50.10 31 2013 05 20 09 57.23 31 2013 05 20 10 64.77 31 2013 05 20 11 68.20 31 2013 05 20 12 67.18 31 2013 05 20 13 68.00 31 2013 05 20 14 67.95 31 2013 05 20 15 66.16 31 2013 05 20 16 65.50 31 2013 05 20 17 62.55 31 2013 05 20 18 54.85 31 2013 05 20 19 43.96 31 2013 05 20 20 37.27 31 2013 05 21 13 79.83 31 2013 05 21 14 80.39 31 2013 05 21 15 80.30 31 2013 05 21 16 75.81 31 2013 05 21 17 73.21 31 2013 05 21 18 61.01 31 2013 05 21 19 49.58 31 2013 05 21 20 42.65 31 2013 05 21 21 36.92 31 2013 05 21 22 32.38 31 2013 05 21 23 33.58 31 2013 05 22 00 35.67 31 2013 05 22 01 36.16 31 2013 05 22 02 36.52 31 2013 05 22 03 41.98 31 2013 05 22 04 42.79 31 2013 05 22 05 38.35 31 2013 05 22 06 35.23 31 2013 05 22 07 34.63 31 2013 05 22 08 36.85 31 2013 05 22 09 35.07 31 2013 05 22 10 45.92 31 2013 05 22 11 51.78 31 2013 05 22 12 44.55 31 2013 05 22 13 32.60 31 2013 05 22 14 33.16 31 2013 05 22 15 35.46 31 2013 05 22 16 35.14 31 2013 05 22 17 39.39 31 2013 05 22 18 46.09 31 2013 05 22 19 48.94 31 2013 05 22 20 46.02 31 2013 05 22 21 37.37 31 2013 05 22 22 31.80 31 2013 05 22 23 33.79 31 2013 05 23 00 39.51 31 2013 05 23 01 44.99 31 2013 05 23 02 50.49 31 2013 05 23 03 51.00 31 2013 05 23 04 43.44 31 2013 05 23 05 47.89 31 2013 05 23 06 46.02 31 2013 05 23 07 68.32 31 2013 05 23 08 68.15 31 2013 05 23 09 73.14 31 2013 05 23 10 74.66 31 2013 05 23 11 75.23 31 2013 05 23 12 73.95 31 2013 05 23 13 69.57 31 2013 05 23 14 70.08 31 2013 05 23 15 69.98 31 2013 05 23 16 70.28 31 2013 05 23 17 70.23 31 2013 05 23 18 69.72 31 2013 05 23 19 62.57 31 2013 05 23 20 56.00 31 2013 05 23 21 47.94 31 2013 05 23 22 44.64 31 2013 05 23 23 42.99 31 2013 05 24 00 39.11 31 2013 05 24 01 43.77 31 2013 05 24 02 43.32 31 2013 05 24 03 45.26 31 2013 05 24 04 57.34 31 2013 05 24 05 66.56 31 2013 05 24 06 63.54 31 2013 05 24 07 58.95 31 2013 05 24 08 60.23 31 2013 05 24 09 62.52 31 2013 05 24 10 65.73 31 2013 05 24 11 72.12 31 2013 05 24 12 78.29 31 2013 05 24 13 76.74 31 2013 05 24 14 69.68 31 2013 05 24 15 59.11 31 2013 05 24 16 57.27 31 2013 05 24 17 60.26 31 2013 05 24 18 57.91 31 2013 05 24 19 48.58 31 2013 05 24 20 49.60 31 2013 05 24 21 52.25 31 2013 05 24 22 46.19 31 2013 05 24 23 38.88 31 2013 05 25 00 34.51 31 2013 05 25 01 30.03 31 2013 05 25 02 42.41 31 2013 05 25 03 51.09 31 2013 05 25 04 51.82 31 2013 05 25 05 53.98 31 2013 05 25 06 54.29 31 2013 05 25 07 54.27 31 2013 05 25 08 52.95 31 2013 05 25 09 55.02 31 2013 05 25 10 54.99 31 2013 05 25 11 56.20 31 2013 05 25 12 50.34 31 2013 05 25 13 47.25 31 2013 05 25 14 42.38 31 2013 05 25 15 46.59 31 2013 05 25 16 43.73 31 2013 05 25 17 38.58 31 2013 05 25 18 36.87 31 2013 05 25 19 35.85 31 2013 05 25 20 37.54 31 2013 05 25 21 37.97 31 2013 05 25 22 38.27 31 2013 05 25 23 39.17 31 2013 05 26 00 40.16 31 2013 05 26 01 34.78 31 2013 05 26 02 35.44 31 2013 05 26 03 34.44 31 2013 05 26 04 27.72 31 2013 05 26 05 25.69 31 2013 05 26 06 25.67 31 2013 05 26 07 25.83 31 2013 05 26 08 28.08 31 2013 05 26 09 28.10 31 2013 05 26 10 27.44 31 2013 05 26 11 27.45 31 2013 05 26 12 27.41 31 2013 05 26 13 27.25 31 2013 05 26 14 27.04 31 2013 05 26 15 29.49 31 2013 05 26 16 32.35 31 2013 05 26 17 32.38 31 2013 05 26 18 30.70 31 2013 05 26 19 30.38 31 2013 05 26 20 34.42 31 2013 05 26 21 35.09 31 2013 05 26 22 34.16 31 2013 05 26 23 34.14 31 2013 05 27 00 26.72 31 2013 05 27 01 26.73 31 2013 05 27 02 27.76 31 2013 05 27 03 28.71 31 2013 05 27 04 29.25 31 2013 05 27 05 36.16 31 2013 05 27 06 32.70 31 2013 05 27 07 31.59 31 2013 05 27 08 29.90 31 2013 05 27 09 31.25 31 2013 05 27 10 38.48 31 2013 05 27 11 39.72 31 2013 05 27 12 57.19 31 2013 05 27 13 58.74 31 2013 05 27 14 43.43 31 2013 05 27 15 55.14 31 2013 05 27 16 52.41 31 2013 05 27 17 49.37 31 2013 05 27 18 39.66 31 2013 05 27 19 34.35 31 2013 05 27 20 33.93 31 2013 05 27 21 32.68 31 2013 05 27 22 34.18 31 2013 05 27 23 32.72 31 2013 05 28 00 28.93 31 2013 05 28 01 27.79 31 2013 05 28 02 28.62 31 2013 05 28 03 29.20 31 2013 05 28 04 28.38 31 2013 05 28 05 31.17 31 2013 05 28 06 31.45 31 2013 05 28 07 40.49 31 2013 05 28 08 42.79 31 2013 05 28 09 44.11 31 2013 05 28 10 45.88 31 2013 05 28 11 48.15 31 2013 05 28 12 40.60 31 2013 05 28 13 39.21 31 2013 05 28 14 40.41 31 2013 05 28 15 41.96 31 2013 05 28 16 38.04 31 2013 05 28 17 36.87 31 2013 05 28 18 43.68 31 2013 05 28 19 38.10 31 2013 05 28 20 36.76 31 2013 05 28 21 36.07 31 2013 05 28 22 35.73 31 2013 05 28 23 35.83 31 2013 05 29 00 32.95 31 2013 05 29 01 32.24 31 2013 05 29 02 38.83 31 2013 05 29 03 39.68 31 2013 05 29 04 37.95 31 2013 05 29 05 35.78 31 2013 05 29 06 34.51 31 2013 05 29 07 32.64 31 2013 05 29 08 31.17 31 2013 05 29 09 29.01 31 2013 05 29 10 26.83 31 2013 05 29 11 24.78 31 2013 05 29 12 26.02 31 2013 05 29 13 24.51 31 2013 05 29 14 25.12 31 2013 05 29 15 32.80 31 2013 05 29 16 39.48 31 2013 05 29 17 33.07 31 2013 05 29 18 27.13 31 2013 05 29 19 27.07