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) BOS 2018 04 01 00 32.89 BOS 2018 04 01 01 30.80 BOS 2018 04 01 02 29.50 BOS 2018 04 01 03 28.93 BOS 2018 04 01 04 28.52 BOS 2018 04 01 05 26.63 BOS 2018 04 01 06 29.46 BOS 2018 04 01 07 30.27 BOS 2018 04 01 08 29.79 BOS 2018 04 01 09 28.85 BOS 2018 04 01 10 26.59 BOS 2018 04 01 11 25.93 BOS 2018 04 01 12 26.01 BOS 2018 04 01 13 24.74 BOS 2018 04 01 14 24.90 BOS 2018 04 01 15 25.23 BOS 2018 04 01 16 24.44 BOS 2018 04 01 17 24.98 BOS 2018 04 01 18 24.77 BOS 2018 04 01 19 25.98 BOS 2018 04 01 20 27.75 BOS 2018 04 01 21 31.71 BOS 2018 04 01 22 36.38 BOS 2018 04 01 23 38.78 BOS 2018 04 02 00 35.99 BOS 2018 04 02 01 33.43 BOS 2018 04 02 02 34.53 BOS 2018 04 02 03 32.82 BOS 2018 04 02 04 32.49 BOS 2018 04 02 05 32.05 BOS 2018 04 02 06 33.48 BOS 2018 04 02 07 31.94 BOS 2018 04 02 08 34.91 BOS 2018 04 02 09 34.15 BOS 2018 04 02 10 34.88 BOS 2018 04 02 11 35.05 BOS 2018 04 02 12 36.97 BOS 2018 04 02 13 34.26 BOS 2018 04 02 14 34.32 BOS 2018 04 02 15 33.56 BOS 2018 04 02 16 31.10 BOS 2018 04 02 17 37.74 BOS 2018 04 02 18 58.77 BOS 2018 04 02 19 59.02 BOS 2018 04 02 20 59.67 BOS 2018 04 02 21 60.98 BOS 2018 04 02 22 62.47 BOS 2018 04 02 23 62.79 BOS 2018 04 03 00 62.31 BOS 2018 04 03 01 61.60 BOS 2018 04 03 02 63.18 BOS 2018 04 03 03 63.31 BOS 2018 04 03 04 62.02 BOS 2018 04 03 05 48.57 BOS 2018 04 03 06 35.01 BOS 2018 04 03 07 41.17 BOS 2018 04 03 08 53.52 BOS 2018 04 03 09 57.15 BOS 2018 04 03 10 62.16 BOS 2018 04 03 11 62.67 BOS 2018 04 03 12 61.78 BOS 2018 04 03 13 62.66 BOS 2018 04 03 14 61.38 BOS 2018 04 03 15 57.39 BOS 2018 04 03 16 55.71 BOS 2018 04 03 17 55.85 BOS 2018 04 03 18 56.02 BOS 2018 04 03 19 55.03 BOS 2018 04 03 20 57.23 BOS 2018 04 03 21 58.62 BOS 2018 04 03 22 59.09 BOS 2018 04 03 23 58.59 BOS 2018 04 04 00 58.51 BOS 2018 04 04 01 52.58 BOS 2018 04 04 02 50.73 BOS 2018 04 04 03 50.17 BOS 2018 04 04 04 48.90 BOS 2018 04 04 05 48.61 BOS 2018 04 04 06 44.56 BOS 2018 04 04 07 37.19 BOS 2018 04 04 08 36.45 BOS 2018 04 04 09 39.16 BOS 2018 04 04 10 35.53 BOS 2018 04 04 11 35.91 BOS 2018 04 04 12 37.13 BOS 2018 04 04 13 38.88 BOS 2018 04 04 14 39.58 BOS 2018 04 04 15 34.53 BOS 2018 04 04 16 31.86 BOS 2018 04 04 17 31.34 BOS 2018 04 04 18 51.62 BOS 2018 04 04 19 55.35 BOS 2018 04 04 20 55.12 BOS 2018 04 04 21 51.17 BOS 2018 04 04 22 48.45 BOS 2018 04 04 23 45.41 BOS 2018 04 05 00 45.15 BOS 2018 04 05 01 47.44 BOS 2018 04 05 02 52.26 BOS 2018 04 05 03 50.81 BOS 2018 04 05 04 51.64 BOS 2018 04 05 05 51.74 BOS 2018 04 05 06 52.82 BOS 2018 04 05 07 52.91 BOS 2018 04 05 08 52.03 BOS 2018 04 05 09 51.04 BOS 2018 04 05 10 50.82 BOS 2018 04 05 11 50.84 BOS 2018 04 05 12 48.50 BOS 2018 04 05 13 49.50 BOS 2018 04 05 14 45.27 BOS 2018 04 05 15 40.09 BOS 2018 04 05 16 43.89 BOS 2018 04 05 17 50.07 BOS 2018 04 05 18 50.36 BOS 2018 04 05 19 51.71 BOS 2018 04 05 20 53.28 BOS 2018 04 05 21 52.78 BOS 2018 04 05 22 49.98 BOS 2018 04 05 23 47.73 BOS 2018 04 06 00 48.24 BOS 2018 04 06 01 51.85 BOS 2018 04 06 02 41.74 BOS 2018 04 06 03 41.48 BOS 2018 04 06 04 43.50 BOS 2018 04 06 05 36.46 BOS 2018 04 06 06 32.23 BOS 2018 04 06 07 32.86 BOS 2018 04 06 08 32.54 BOS 2018 04 06 09 31.23 BOS 2018 04 06 10 25.05 BOS 2018 04 06 11 25.58 BOS 2018 04 06 12 28.84 BOS 2018 04 06 13 29.79 BOS 2018 04 06 14 32.23 BOS 2018 04 06 15 34.03 BOS 2018 04 06 16 32.82 BOS 2018 04 06 17 42.28 BOS 2018 04 06 18 43.64 BOS 2018 04 06 19 42.77 BOS 2018 04 06 20 42.11 BOS 2018 04 06 21 40.52 BOS 2018 04 06 22 39.91 BOS 2018 04 06 23 38.61 BOS 2018 04 07 00 36.58 BOS 2018 04 07 01 35.79 BOS 2018 04 07 02 34.49 BOS 2018 04 07 03 34.59 BOS 2018 04 07 04 33.78 BOS 2018 04 07 05 32.45 BOS 2018 04 07 06 30.69 BOS 2018 04 07 07 29.53 BOS 2018 04 07 08 29.99 BOS 2018 04 07 09 29.84 BOS 2018 04 07 10 29.09 BOS 2018 04 07 11 29.61 BOS 2018 04 07 12 28.84 BOS 2018 04 07 13 28.05 BOS 2018 04 07 14 26.88 BOS 2018 04 07 15 27.77 BOS 2018 04 07 16 29.12 BOS 2018 04 07 17 30.39 BOS 2018 04 07 18 30.35 BOS 2018 04 07 19 30.57 BOS 2018 04 07 20 31.95 BOS 2018 04 07 21 32.47 BOS 2018 04 07 22 33.14 BOS 2018 04 07 23 34.50 BOS 2018 04 08 00 35.95 BOS 2018 04 08 01 31.72 BOS 2018 04 08 02 31.60 BOS 2018 04 08 03 29.00 BOS 2018 04 08 04 31.00 BOS 2018 04 08 05 9999.99 BOS 2018 04 08 06 9999.99 BOS 2018 04 08 07 40.49 BOS 2018 04 08 08 41.78 BOS 2018 04 08 09 41.71 BOS 2018 04 08 10 43.31 BOS 2018 04 08 11 54.76 BOS 2018 04 08 12 59.94 BOS 2018 04 08 13 59.66 BOS 2018 04 08 14 60.05 BOS 2018 04 08 15 58.01 BOS 2018 04 08 16 58.09 BOS 2018 04 08 17 57.16 BOS 2018 04 08 18 56.18 BOS 2018 04 08 19 55.44 BOS 2018 04 08 20 54.26 BOS 2018 04 08 21 53.51 BOS 2018 04 08 22 51.67 BOS 2018 04 08 23 51.94 BOS 2018 04 09 00 51.69 BOS 2018 04 09 01 51.51 BOS 2018 04 09 02 49.58 BOS 2018 04 09 03 47.28 BOS 2018 04 09 04 45.08 BOS 2018 04 09 05 43.32 BOS 2018 04 09 06 38.65 BOS 2018 04 09 07 37.05 BOS 2018 04 09 08 38.25 BOS 2018 04 09 09 38.19 BOS 2018 04 09 10 35.09 BOS 2018 04 09 11 29.11 BOS 2018 04 09 12 29.12 BOS 2018 04 09 13 33.01 BOS 2018 04 09 14 31.46 BOS 2018 04 09 15 36.90 BOS 2018 04 09 16 43.25 BOS 2018 04 09 17 41.76 BOS 2018 04 09 18 43.77 BOS 2018 04 09 19 43.97 BOS 2018 04 09 20 45.93 BOS 2018 04 09 21 47.25 BOS 2018 04 09 22 49.16 BOS 2018 04 09 23 50.26 BOS 2018 04 10 00 51.56 BOS 2018 04 10 01 50.52 BOS 2018 04 10 02 47.41 BOS 2018 04 10 03 42.33 BOS 2018 04 10 04 46.22 BOS 2018 04 10 05 46.75 BOS 2018 04 10 06 46.84 BOS 2018 04 10 07 45.88 BOS 2018 04 10 08 48.44 BOS 2018 04 10 09 48.06 BOS 2018 04 10 10 47.25 BOS 2018 04 10 11 44.41 BOS 2018 04 10 12 43.87 BOS 2018 04 10 13 42.27 BOS 2018 04 10 14 39.95 BOS 2018 04 10 15 38.32 BOS 2018 04 10 16 36.95 BOS 2018 04 10 17 36.91 BOS 2018 04 10 18 40.36 BOS 2018 04 10 19 47.64 BOS 2018 04 10 20 55.52 BOS 2018 04 10 21 55.91 BOS 2018 04 10 22 55.78 BOS 2018 04 10 23 56.30 BOS 2018 04 11 00 56.45 BOS 2018 04 11 01 55.30 BOS 2018 04 11 02 55.42 BOS 2018 04 11 03 54.82 BOS 2018 04 11 04 54.56 BOS 2018 04 11 05 57.12 BOS 2018 04 11 06 58.10 BOS 2018 04 11 07 55.73 BOS 2018 04 11 08 58.83 BOS 2018 04 11 09 59.22 BOS 2018 04 11 10 57.89 BOS 2018 04 11 11 55.86 BOS 2018 04 11 12 56.76 BOS 2018 04 11 13 58.86 BOS 2018 04 11 14 58.14 BOS 2018 04 11 15 58.86 BOS 2018 04 11 16 57.84 BOS 2018 04 11 17 57.61 BOS 2018 04 11 18 57.54 BOS 2018 04 11 19 9999.99 BOS 2018 04 24 16 9999.99 BOS 2018 04 24 17 33.35 BOS 2018 04 24 18 33.66 BOS 2018 04 24 19 34.52 BOS 2018 04 24 20 34.92 BOS 2018 04 24 21 36.41 BOS 2018 04 24 22 40.53 BOS 2018 04 24 23 41.30 BOS 2018 04 25 00 36.81 BOS 2018 04 25 01 35.07 BOS 2018 04 25 02 33.06 BOS 2018 04 25 03 32.10 BOS 2018 04 25 04 31.72 BOS 2018 04 25 05 38.34 BOS 2018 04 25 06 33.71 BOS 2018 04 25 07 31.57 BOS 2018 04 25 08 30.53 BOS 2018 04 25 09 31.35 BOS 2018 04 25 10 33.04 BOS 2018 04 25 11 31.30 BOS 2018 04 25 12 33.12 BOS 2018 04 25 13 35.83 BOS 2018 04 25 14 38.54 BOS 2018 04 25 15 41.11 BOS 2018 04 25 16 41.48 BOS 2018 04 25 17 45.82 BOS 2018 04 25 18 50.52 BOS 2018 04 25 19 56.95 BOS 2018 04 25 20 59.08 BOS 2018 04 25 21 61.99 BOS 2018 04 25 22 62.34 BOS 2018 04 25 23 60.29 BOS 2018 04 26 00 57.89 BOS 2018 04 26 01 51.83 BOS 2018 04 26 02 41.28 BOS 2018 04 26 03 41.84 BOS 2018 04 26 04 43.25 BOS 2018 04 26 05 42.99 BOS 2018 04 26 06 48.30 BOS 2018 04 26 07 44.96 BOS 2018 04 26 08 48.39 BOS 2018 04 26 09 51.82 BOS 2018 04 26 10 49.92 BOS 2018 04 26 11 45.12 BOS 2018 04 26 12 41.89 BOS 2018 04 26 13 40.08 BOS 2018 04 26 14 44.86 BOS 2018 04 26 15 50.99 BOS 2018 04 26 16 54.82 BOS 2018 04 26 17 57.35 BOS 2018 04 26 18 59.96 BOS 2018 04 26 19 61.07 BOS 2018 04 26 20 62.22 BOS 2018 04 26 21 63.54 BOS 2018 04 26 22 64.75 BOS 2018 04 26 23 64.54 BOS 2018 04 27 00 63.76 BOS 2018 04 27 01 60.69 BOS 2018 04 27 02 50.91 BOS 2018 04 27 03 48.22 BOS 2018 04 27 04 45.29 BOS 2018 04 27 05 44.15 BOS 2018 04 27 06 44.37 BOS 2018 04 27 07 43.38 BOS 2018 04 27 08 45.44 BOS 2018 04 27 09 45.12 BOS 2018 04 27 10 47.89 BOS 2018 04 27 11 47.87 BOS 2018 04 27 12 52.11 BOS 2018 04 27 13 47.56 BOS 2018 04 27 14 42.89 BOS 2018 04 27 15 47.78 BOS 2018 04 27 16 53.38 BOS 2018 04 27 17 60.87 BOS 2018 04 27 18 63.20 BOS 2018 04 27 19 64.44 BOS 2018 04 27 20 67.74 BOS 2018 04 27 21 70.01 BOS 2018 04 27 22 70.79 BOS 2018 04 27 23 77.10 BOS 2018 04 28 00 76.38 BOS 2018 04 28 01 71.61 BOS 2018 04 28 02 60.35 BOS 2018 04 28 03 58.77 BOS 2018 04 28 04 58.28 BOS 2018 04 28 05 55.76 BOS 2018 04 28 06 54.23 BOS 2018 04 28 07 56.56 BOS 2018 04 28 08 58.94 BOS 2018 04 28 09 50.82 BOS 2018 04 28 10 51.33 BOS 2018 04 28 11 48.14 BOS 2018 04 28 12 43.32 BOS 2018 04 28 13 43.14 BOS 2018 04 28 14 43.71 BOS 2018 04 28 15 45.10 BOS 2018 04 28 16 47.83 BOS 2018 04 28 17 52.50 BOS 2018 04 28 18 59.21 BOS 2018 04 28 19 66.54 BOS 2018 04 28 20 74.24 BOS 2018 04 28 21 80.72 BOS 2018 04 28 22 83.33 BOS 2018 04 28 23 82.03 BOS 2018 04 29 00 77.60 BOS 2018 04 29 01 73.82 BOS 2018 04 29 02 9999.99 BOS 2018 04 29 03 57.94 BOS 2018 04 29 04 54.47 BOS 2018 04 29 05 54.28 BOS 2018 04 29 06 52.29 BOS 2018 04 29 07 55.30 BOS 2018 04 29 08 50.28 BOS 2018 04 29 09 56.79 BOS 2018 04 29 10 37.71 BOS 2018 04 29 11 35.85 BOS 2018 04 29 12 38.57 BOS 2018 04 29 13 39.49 BOS 2018 04 29 14 42.27 BOS 2018 04 29 15 42.89 BOS 2018 04 29 16 49.41 BOS 2018 04 29 17 58.29 BOS 2018 04 29 18 60.98 BOS 2018 04 29 19 62.09 BOS 2018 04 29 20 62.61 BOS 2018 04 29 21 62.53 BOS 2018 04 29 22 60.47 BOS 2018 04 29 23 58.49 BOS 2018 04 30 00 58.84 BOS 2018 04 30 01 55.73 BOS 2018 04 30 02 57.73 BOS 2018 04 30 03 57.31 BOS 2018 04 30 04 58.14 BOS 2018 04 30 05 58.87 BOS 2018 04 30 06 56.04 BOS 2018 04 30 07 52.59 BOS 2018 04 30 08 51.04 BOS 2018 04 30 09 48.20 BOS 2018 04 30 10 50.05 BOS 2018 04 30 11 50.51 BOS 2018 04 30 12 44.08 BOS 2018 04 30 13 40.24 BOS 2018 04 30 14 42.72 BOS 2018 04 30 15 44.63 BOS 2018 04 30 16 51.79 BOS 2018 04 30 17 54.56 BOS 2018 04 30 18 59.03 BOS 2018 04 30 19 64.69 BOS 2018 04 30 20 70.21 BOS 2018 04 30 21 73.26 BOS 2018 04 30 22 73.33 BOS 2018 04 30 23 66.15