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 2014 04 01 00 38.36 31 2014 04 01 01 38.25 31 2014 04 01 02 38.55 31 2014 04 01 03 37.59 31 2014 04 01 04 39.31 31 2014 04 01 05 35.60 31 2014 04 01 06 34.29 31 2014 04 01 07 33.73 31 2014 04 01 08 34.64 31 2014 04 01 09 36.40 31 2014 04 01 10 37.22 31 2014 04 01 11 40.25 31 2014 04 01 12 38.57 31 2014 04 01 13 32.78 31 2014 04 01 14 30.97 31 2014 04 01 15 30.89 31 2014 04 01 16 31.49 31 2014 04 01 17 32.71 31 2014 04 01 18 33.41 31 2014 04 01 19 33.32 31 2014 04 01 20 34.50 31 2014 04 01 21 34.99 31 2014 04 01 22 34.22 31 2014 04 01 23 33.57 31 2014 04 02 00 33.27 31 2014 04 02 01 33.01 31 2014 04 02 02 38.51 31 2014 04 02 03 35.71 31 2014 04 02 04 35.13 31 2014 04 02 05 35.36 31 2014 04 02 06 39.94 31 2014 04 02 07 44.90 31 2014 04 02 08 48.45 31 2014 04 02 09 42.53 31 2014 04 02 10 43.41 31 2014 04 02 11 50.07 31 2014 04 02 12 52.19 31 2014 04 02 13 50.59 31 2014 04 02 14 50.56 31 2014 04 02 15 54.91 31 2014 04 02 16 53.11 31 2014 04 02 17 49.60 31 2014 04 02 18 41.50 31 2014 04 02 19 37.23 31 2014 04 02 20 46.71 31 2014 04 02 21 46.31 31 2014 04 02 22 40.15 31 2014 04 02 23 39.04 31 2014 04 03 00 41.25 31 2014 04 03 01 44.67 31 2014 04 03 02 41.77 31 2014 04 03 03 42.17 31 2014 04 03 04 40.06 31 2014 04 03 05 40.96 31 2014 04 03 06 42.87 31 2014 04 03 07 43.74 31 2014 04 03 08 40.98 31 2014 04 03 09 40.45 31 2014 04 03 10 38.89 31 2014 04 03 11 36.25 31 2014 04 03 12 36.99 31 2014 04 03 13 38.32 31 2014 04 03 14 39.84 31 2014 04 03 15 41.99 31 2014 04 03 16 37.80 31 2014 04 03 17 38.05 31 2014 04 03 18 43.69 31 2014 04 03 19 45.58 31 2014 04 03 20 47.62 31 2014 04 03 21 48.24 31 2014 04 03 22 49.28 31 2014 04 03 23 49.60 31 2014 04 04 00 49.73 31 2014 04 04 01 50.12 31 2014 04 04 02 50.93 31 2014 04 04 03 50.93 31 2014 04 04 04 49.52 31 2014 04 04 05 46.60 31 2014 04 04 06 46.58 31 2014 04 04 07 48.81 31 2014 04 04 08 55.23 31 2014 04 04 09 55.69 31 2014 04 04 10 54.85 31 2014 04 04 11 56.87 31 2014 04 04 12 56.15 31 2014 04 04 13 56.12 31 2014 04 04 14 56.91 31 2014 04 04 15 58.84 31 2014 04 04 16 61.60 31 2014 04 04 17 61.36 31 2014 04 04 18 63.18 31 2014 04 04 19 60.53 31 2014 04 04 20 51.18 31 2014 04 04 21 45.58 31 2014 04 04 22 43.92 31 2014 04 04 23 42.38 31 2014 04 05 00 43.29 31 2014 04 05 01 44.76 31 2014 04 05 02 45.64 31 2014 04 05 03 45.46 31 2014 04 05 04 44.39 31 2014 04 05 05 43.85 31 2014 04 05 06 48.70 31 2014 04 05 07 50.44 31 2014 04 05 08 51.73 31 2014 04 05 09 53.10 31 2014 04 05 10 55.68 31 2014 04 05 11 58.60 31 2014 04 05 12 59.40 31 2014 04 05 13 59.25 31 2014 04 05 14 60.21 31 2014 04 05 15 60.00 31 2014 04 05 16 59.92 31 2014 04 05 17 59.54 31 2014 04 05 18 57.67 31 2014 04 05 19 51.21 31 2014 04 05 20 45.54 31 2014 04 05 21 42.62 31 2014 04 05 22 41.80 31 2014 04 05 23 42.30 31 2014 04 06 00 44.22 31 2014 04 06 01 47.92 31 2014 04 06 02 48.42 31 2014 04 06 03 47.90 31 2014 04 06 04 50.94 31 2014 04 06 05 50.48 31 2014 04 06 06 46.61 31 2014 04 06 07 46.55 31 2014 04 06 08 48.49 31 2014 04 06 09 46.93 31 2014 04 06 10 45.42 31 2014 04 06 11 43.45 31 2014 04 06 12 43.92 31 2014 04 06 13 47.35 31 2014 04 06 14 62.23 31 2014 04 06 15 64.46 31 2014 04 06 16 65.14 31 2014 04 06 17 65.98 31 2014 04 06 18 65.98 31 2014 04 06 19 60.53 31 2014 04 06 20 57.31 31 2014 04 06 21 59.15 31 2014 04 06 22 54.54 31 2014 04 06 23 46.35 31 2014 04 07 00 43.85 31 2014 04 07 01 44.62 31 2014 04 07 02 47.47 31 2014 04 07 03 49.58 31 2014 04 07 04 47.68 31 2014 04 07 05 57.61 31 2014 04 07 06 65.62 31 2014 04 07 07 64.55 31 2014 04 07 08 67.90 31 2014 04 07 09 68.75 31 2014 04 07 10 67.75 31 2014 04 07 11 68.40 31 2014 04 07 12 68.02 31 2014 04 07 13 68.20 31 2014 04 07 14 68.65 31 2014 04 07 15 67.97 31 2014 04 07 16 61.69 31 2014 04 07 17 60.98 31 2014 04 07 18 55.71 31 2014 04 07 19 55.78 31 2014 04 13 13 37.13 31 2014 04 13 14 39.54 31 2014 04 13 15 33.08 31 2014 04 13 16 29.76 31 2014 04 13 17 30.13 31 2014 04 13 18 32.19 31 2014 04 13 19 33.75 31 2014 04 13 20 30.68 31 2014 04 13 21 31.88 31 2014 04 13 22 33.31 31 2014 04 13 23 39.86 31 2014 04 14 00 42.47 31 2014 04 14 01 57.77 31 2014 04 14 02 45.75 31 2014 04 14 03 55.53 31 2014 04 14 04 63.10 31 2014 04 14 05 63.54 31 2014 04 14 06 60.02 31 2014 04 14 07 61.36 31 2014 04 14 08 58.81 31 2014 04 14 09 56.66 31 2014 04 14 10 58.69 31 2014 04 14 11 57.15 31 2014 04 14 12 57.62 31 2014 04 14 13 62.20 31 2014 04 14 14 65.11 31 2014 04 14 15 63.93 31 2014 04 14 16 60.91 31 2014 04 14 17 60.24 31 2014 04 14 18 62.05 31 2014 04 14 19 66.26 31 2014 04 14 20 73.68 31 2014 04 14 22 70.53 31 2014 04 14 23 69.52 31 2014 04 15 00 71.77 31 2014 04 15 01 71.76 31 2014 04 15 02 71.58 31 2014 04 15 03 73.76 31 2014 04 15 04 74.86 31 2014 04 15 05 67.84 31 2014 04 15 06 63.37 31 2014 04 15 07 66.44 31 2014 04 15 08 68.18 31 2014 04 15 09 66.06 31 2014 04 15 10 65.32 31 2014 04 15 11 63.44 31 2014 04 15 12 62.20 31 2014 04 15 13 62.93 31 2014 04 15 14 63.36 31 2014 04 15 15 63.84 31 2014 04 15 16 63.27 31 2014 04 15 17 63.12 31 2014 04 15 18 62.28 31 2014 04 15 19 62.46 31 2014 04 15 20 63.91 31 2014 04 15 21 64.34 31 2014 04 15 22 65.23 31 2014 04 15 23 62.44 31 2014 04 16 00 62.43 31 2014 04 16 01 64.95 31 2014 04 16 02 63.56 31 2014 04 16 03 65.88 31 2014 04 16 04 62.61 31 2014 04 16 05 52.58 31 2014 04 16 06 48.39 31 2014 04 16 07 58.09 31 2014 04 16 08 64.35 31 2014 04 16 09 66.40 31 2014 04 16 10 67.39 31 2014 04 16 11 68.25 31 2014 04 16 12 73.75 31 2014 04 16 13 74.89 31 2014 04 16 14 73.11 31 2014 04 16 15 72.50 31 2014 04 16 16 73.41 31 2014 04 16 17 78.47 31 2014 04 16 18 78.27 31 2014 04 16 19 71.98 31 2014 04 16 20 70.07 31 2014 04 16 21 71.78 31 2014 04 16 22 71.90 31 2014 04 16 23 69.66 31 2014 04 17 00 77.31 31 2014 04 17 01 73.21 31 2014 04 17 02 73.44 31 2014 04 17 03 71.31 31 2014 04 17 04 73.55 31 2014 04 17 05 75.36 31 2014 04 17 06 74.23 31 2014 04 17 07 73.03 31 2014 04 17 08 81.92 31 2014 04 17 09 85.85 31 2014 04 17 10 84.37 31 2014 04 17 11 82.52 31 2014 04 17 12 75.00 31 2014 04 17 13 75.28 31 2014 04 17 14 79.76 31 2014 04 17 15 77.81 31 2014 04 17 16 75.59 31 2014 04 17 17 73.45 31 2014 04 17 18 73.59 31 2014 04 17 19 71.04 31 2014 04 17 20 61.14 31 2014 04 17 21 48.93 31 2014 04 17 22 41.50 31 2014 04 17 23 40.80 31 2014 04 18 00 47.72 31 2014 04 18 01 53.80 31 2014 04 18 02 64.75 31 2014 04 18 03 73.93 31 2014 04 18 04 84.47 31 2014 04 18 05 87.11 31 2014 04 18 06 88.14 31 2014 04 18 07 85.53 31 2014 04 18 08 81.78 31 2014 04 18 09 80.82 31 2014 04 18 10 82.37 31 2014 04 18 11 81.42 31 2014 04 18 12 83.22 31 2014 04 18 13 85.06 31 2014 04 18 14 88.58 31 2014 04 18 15 88.80 31 2014 04 18 16 83.47 31 2014 04 18 17 86.83 31 2014 04 18 18 80.33 31 2014 04 18 19 77.70 31 2014 04 18 20 76.09 31 2014 04 18 21 76.58 31 2014 04 18 22 77.50 31 2014 04 18 23 78.84 31 2014 04 19 00 80.51 31 2014 04 19 01 78.98 31 2014 04 19 02 79.63 31 2014 04 19 03 78.01 31 2014 04 19 04 74.40 31 2014 04 19 05 71.39 31 2014 04 19 06 72.30 31 2014 04 19 07 72.32 31 2014 04 19 08 70.37 31 2014 04 19 09 70.49 31 2014 04 19 10 70.86 31 2014 04 19 11 70.95 31 2014 04 19 12 71.03 31 2014 04 19 13 70.89 31 2014 04 19 14 69.92 31 2014 04 19 15 68.44 31 2014 04 19 16 65.84 31 2014 04 19 17 63.60 31 2014 04 19 18 62.69 31 2014 04 19 19 61.95 31 2014 04 19 20 61.00 31 2014 04 19 21 59.76 31 2014 04 19 22 57.45 31 2014 04 19 23 57.70 31 2014 04 20 00 58.00 31 2014 04 20 01 58.26 31 2014 04 20 02 58.24 31 2014 04 20 03 57.36 31 2014 04 20 04 57.13 31 2014 04 20 05 57.56 31 2014 04 20 06 58.20 31 2014 04 20 07 59.06 31 2014 04 20 08 59.04 31 2014 04 20 09 58.83 31 2014 04 20 10 59.14 31 2014 04 20 11 57.86 31 2014 04 20 12 58.98 31 2014 04 20 13 57.19 31 2014 04 20 14 57.17 31 2014 04 20 15 58.19 31 2014 04 20 16 58.82 31 2014 04 20 17 59.63 31 2014 04 20 18 61.51 31 2014 04 20 19 57.71 31 2014 04 20 20 47.71 31 2014 04 20 21 47.28 31 2014 04 20 22 40.14 31 2014 04 20 23 41.73 31 2014 04 21 00 43.85 31 2014 04 21 01 42.97 31 2014 04 21 02 34.22 31 2014 04 21 03 33.21 31 2014 04 21 04 40.60 31 2014 04 21 05 46.64 31 2014 04 21 06 46.82 31 2014 04 21 07 37.58 31 2014 04 21 08 43.68 31 2014 04 21 09 49.59 31 2014 04 21 10 42.48 31 2014 04 21 11 37.91 31 2014 04 21 12 48.49 31 2014 04 21 13 38.42 31 2014 04 21 14 42.22 31 2014 04 21 15 44.97 31 2014 04 21 16 37.65 31 2014 04 21 17 36.97 31 2014 04 21 18 36.11 31 2014 04 21 19 44.53 31 2014 04 21 22 52.91 31 2014 04 21 23 62.03 31 2014 04 22 00 68.18 31 2014 04 22 01 64.31 31 2014 04 22 02 61.95 31 2014 04 22 03 60.45 31 2014 04 22 04 63.09 31 2014 04 22 05 64.81 31 2014 04 22 06 66.64 31 2014 04 22 07 64.12 31 2014 04 22 08 67.24 31 2014 04 22 09 67.52 31 2014 04 22 10 67.46 31 2014 04 22 11 70.82 31 2014 04 22 12 69.64 31 2014 04 22 13 71.44 31 2014 04 22 14 73.05 31 2014 04 22 15 73.54 31 2014 04 22 16 73.76 31 2014 04 22 17 75.79 31 2014 04 22 18 75.92 31 2014 04 22 19 59.52 31 2014 04 22 20 50.40 31 2014 04 22 21 48.58 31 2014 04 22 22 48.23 31 2014 04 22 23 43.87 31 2014 04 23 00 43.80 31 2014 04 23 01 44.28 31 2014 04 23 02 54.84 31 2014 04 23 03 65.46 31 2014 04 23 04 66.09 31 2014 04 23 05 66.70 31 2014 04 23 06 67.79 31 2014 04 23 07 68.74 31 2014 04 23 08 69.66 31 2014 04 23 09 71.36 31 2014 04 23 10 72.54 31 2014 04 23 11 73.92 31 2014 04 23 12 74.18 31 2014 04 23 13 71.97 31 2014 04 23 14 74.78 31 2014 04 23 15 74.31 31 2014 04 23 16 73.35 31 2014 04 23 17 68.20 31 2014 04 23 18 67.79 31 2014 04 23 19 66.66 31 2014 04 23 20 59.75 31 2014 04 23 21 57.35 31 2014 04 23 22 54.14 31 2014 04 23 23 54.14 31 2014 04 24 00 63.73 31 2014 04 24 01 66.51 31 2014 04 24 02 71.09 31 2014 04 24 03 73.47 31 2014 04 24 04 74.97 31 2014 04 24 05 74.73 31 2014 04 24 06 75.76 31 2014 04 24 07 76.05 31 2014 04 24 08 76.22 31 2014 04 24 09 75.27 31 2014 04 24 10 75.47 31 2014 04 24 11 73.80 31 2014 04 24 12 68.95 31 2014 04 24 13 68.20 31 2014 04 24 14 67.38 31 2014 04 24 15 63.10 31 2014 04 24 16 44.75 31 2014 04 24 17 42.63 31 2014 04 24 18 46.80 31 2014 04 24 19 49.25 31 2014 04 24 20 56.85 31 2014 04 24 21 54.48 31 2014 04 24 22 56.47 31 2014 04 24 23 55.74 31 2014 04 25 00 48.21 31 2014 04 25 01 48.82 31 2014 04 25 02 48.20 31 2014 04 25 03 51.39 31 2014 04 25 04 65.73 31 2014 04 25 05 61.50 31 2014 04 25 06 65.90 31 2014 04 25 07 69.76 31 2014 04 25 08 71.95 31 2014 04 25 09 72.38 31 2014 04 25 10 72.05 31 2014 04 25 11 72.44 31 2014 04 25 12 74.26 31 2014 04 25 13 76.01 31 2014 04 25 14 76.61 31 2014 04 25 15 77.16 31 2014 04 25 16 75.54 31 2014 04 25 17 74.23 31 2014 04 25 18 73.42 31 2014 04 25 19 73.81 31 2014 04 25 20 71.10 31 2014 04 25 21 65.91 31 2014 04 25 22 63.57 31 2014 04 25 23 63.87 31 2014 04 26 00 64.92 31 2014 04 26 01 66.10 31 2014 04 26 02 66.12 31 2014 04 26 03 67.97 31 2014 04 26 04 67.25 31 2014 04 26 05 68.41 31 2014 04 26 06 74.64 31 2014 04 26 07 76.96 31 2014 04 26 08 76.27 31 2014 04 26 09 77.14 31 2014 04 26 10 75.04 31 2014 04 26 11 74.04 31 2014 04 26 12 74.99 31 2014 04 26 13 74.13 31 2014 04 26 14 72.51 31 2014 04 26 15 69.45 31 2014 04 26 16 63.45 31 2014 04 26 17 64.36 31 2014 04 26 18 64.79 31 2014 04 26 19 65.50 31 2014 04 26 20 64.74 31 2014 04 26 21 63.91 31 2014 04 26 22 45.36 31 2014 04 26 23 60.96 31 2014 04 27 00 62.67 31 2014 04 27 01 61.88 31 2014 04 27 02 63.75 31 2014 04 27 03 63.80 31 2014 04 27 04 65.58 31 2014 04 27 05 52.34 31 2014 04 27 06 61.72 31 2014 04 27 07 60.46 31 2014 04 27 08 59.89 31 2014 04 27 09 62.03 31 2014 04 27 10 64.81 31 2014 04 27 11 68.54 31 2014 04 27 12 74.80 31 2014 04 27 13 65.43 31 2014 04 27 14 53.40 31 2014 04 27 15 60.66 31 2014 04 27 16 61.83 31 2014 04 27 17 62.52 31 2014 04 27 18 61.46 31 2014 04 27 19 50.00 31 2014 04 27 20 46.40 31 2014 04 27 21 44.91 31 2014 04 27 22 43.67 31 2014 04 27 23 40.59 31 2014 04 28 00 40.53 31 2014 04 28 01 41.48 31 2014 04 28 02 40.53 31 2014 04 28 03 46.46 31 2014 04 28 04 57.65 31 2014 04 28 05 56.05 31 2014 04 28 06 57.18 31 2014 04 28 07 61.56 31 2014 04 28 08 58.35 31 2014 04 28 09 54.22 31 2014 04 28 10 55.43 31 2014 04 28 11 55.23 31 2014 04 28 12 59.14 31 2014 04 28 13 57.24 31 2014 04 28 14 59.52 31 2014 04 28 15 59.32 31 2014 04 28 16 57.28 31 2014 04 28 17 55.72 31 2014 04 28 18 55.70 31 2014 04 28 19 54.76 31 2014 04 28 20 48.04 31 2014 04 28 21 41.19 31 2014 04 28 22 37.40 31 2014 04 28 23 39.58 31 2014 04 29 00 41.10 31 2014 04 29 01 42.58 31 2014 04 29 02 43.17 31 2014 04 29 03 47.17 31 2014 04 29 04 46.09 31 2014 04 29 05 53.05 31 2014 04 29 06 67.96 31 2014 04 29 07 70.47 31 2014 04 29 08 67.50 31 2014 04 29 09 65.43 31 2014 04 29 10 66.09 31 2014 04 29 11 66.37 31 2014 04 29 12 67.24 31 2014 04 29 13 67.40 31 2014 04 29 14 67.18 31 2014 04 29 15 65.32 31 2014 04 29 16 64.78 31 2014 04 29 17 65.35 31 2014 04 29 18 64.81 31 2014 04 29 19 53.73 31 2014 04 29 20 40.51 31 2014 04 29 22 38.53 31 2014 04 29 23 40.13 31 2014 04 30 00 45.94 31 2014 04 30 01 43.66 31 2014 04 30 02 43.49 31 2014 04 30 03 44.12 31 2014 04 30 04 45.60 31 2014 04 30 05 64.57 31 2014 04 30 06 66.95 31 2014 04 30 07 64.99 31 2014 04 30 08 66.56 31 2014 04 30 09 59.81 31 2014 04 30 10 62.78 31 2014 04 30 11 62.36 31 2014 04 30 12 63.15 31 2014 04 30 13 60.60 31 2014 04 30 14 58.88 31 2014 04 30 15 56.11 31 2014 04 30 16 50.02 31 2014 04 30 17 56.14 31 2014 04 30 18 58.51 31 2014 04 30 19 43.43 31 2014 04 30 20 38.71 31 2014 04 30 21 37.12 31 2014 04 30 22 35.90 31 2014 04 30 23 38.56