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 2017 05 01 00 53.58 BOS 2017 05 01 01 50.11 BOS 2017 05 01 02 47.53 BOS 2017 05 01 03 46.84 BOS 2017 05 01 04 48.32 BOS 2017 05 01 05 47.24 BOS 2017 05 01 06 42.18 BOS 2017 05 01 07 39.06 BOS 2017 05 01 08 39.01 BOS 2017 05 01 09 35.67 BOS 2017 05 01 10 32.25 BOS 2017 05 01 11 30.36 BOS 2017 05 01 12 34.23 BOS 2017 05 01 13 43.80 BOS 2017 05 01 14 45.54 BOS 2017 05 01 15 48.23 BOS 2017 05 01 16 49.82 BOS 2017 05 01 17 50.75 BOS 2017 05 01 18 50.77 BOS 2017 05 01 19 51.91 BOS 2017 05 01 20 51.67 BOS 2017 05 01 21 52.02 BOS 2017 05 01 22 53.13 BOS 2017 05 01 23 53.34 BOS 2017 05 02 00 44.23 BOS 2017 05 02 01 37.30 BOS 2017 05 02 02 34.88 BOS 2017 05 02 03 32.77 BOS 2017 05 02 04 36.30 BOS 2017 05 02 05 36.43 BOS 2017 05 02 06 35.42 BOS 2017 05 02 07 38.52 BOS 2017 05 02 08 34.41 BOS 2017 05 02 09 29.59 BOS 2017 05 02 10 28.27 BOS 2017 05 02 11 26.96 BOS 2017 05 02 12 26.83 BOS 2017 05 02 13 30.68 BOS 2017 05 02 14 35.59 BOS 2017 05 02 15 40.29 BOS 2017 05 02 16 43.35 BOS 2017 05 02 17 44.96 BOS 2017 05 02 18 46.74 BOS 2017 05 02 19 48.88 BOS 2017 05 02 20 50.68 BOS 2017 05 02 21 52.63 BOS 2017 05 02 22 54.52 BOS 2017 05 02 23 48.60 BOS 2017 05 03 00 42.36 BOS 2017 05 03 01 39.68 BOS 2017 05 03 02 40.71 BOS 2017 05 03 03 38.77 BOS 2017 05 03 04 32.88 BOS 2017 05 03 05 30.85 BOS 2017 05 03 06 27.60 BOS 2017 05 03 07 31.67 BOS 2017 05 03 08 30.34 BOS 2017 05 03 09 32.15 BOS 2017 05 03 10 36.99 BOS 2017 05 03 11 39.65 BOS 2017 05 03 12 39.26 BOS 2017 05 03 13 42.13 BOS 2017 05 03 14 44.64 BOS 2017 05 03 15 43.13 BOS 2017 05 03 16 42.24 BOS 2017 05 03 17 41.76 BOS 2017 05 03 18 41.08 BOS 2017 05 03 19 45.02 BOS 2017 05 03 20 52.08 BOS 2017 05 03 21 54.03 BOS 2017 05 03 22 56.06 BOS 2017 05 03 23 56.91 BOS 2017 05 04 00 55.75 BOS 2017 05 04 01 49.80 BOS 2017 05 04 02 37.03 BOS 2017 05 04 03 34.28 BOS 2017 05 04 04 35.30 BOS 2017 05 04 05 34.36 BOS 2017 05 04 06 29.18 BOS 2017 05 04 07 28.33 BOS 2017 05 04 08 28.90 BOS 2017 05 04 09 27.65 BOS 2017 05 04 10 29.05 BOS 2017 05 04 11 31.83 BOS 2017 05 04 12 33.61 BOS 2017 05 04 13 35.23 BOS 2017 05 04 14 37.34 BOS 2017 05 04 15 45.28 BOS 2017 05 04 16 51.34 BOS 2017 05 04 17 53.90 BOS 2017 05 04 18 57.82 BOS 2017 05 04 19 60.34 BOS 2017 05 04 20 61.67 BOS 2017 05 04 21 63.13 BOS 2017 05 04 22 63.80 BOS 2017 05 04 23 64.58 BOS 2017 05 05 00 64.14 BOS 2017 05 05 01 61.49 BOS 2017 05 05 02 44.62 BOS 2017 05 05 03 48.00 BOS 2017 05 05 04 37.97 BOS 2017 05 05 05 34.78 BOS 2017 05 05 06 34.07 BOS 2017 05 05 07 36.11 BOS 2017 05 05 08 37.74 BOS 2017 05 05 09 37.05 BOS 2017 05 05 10 39.07 BOS 2017 05 05 11 33.24 BOS 2017 05 05 12 33.78 BOS 2017 05 05 13 38.11 BOS 2017 05 05 14 37.69 BOS 2017 05 05 15 42.60 BOS 2017 05 05 16 51.08 BOS 2017 05 05 17 57.79 BOS 2017 05 05 18 61.51 BOS 2017 05 05 19 59.67 BOS 2017 05 05 20 63.79 BOS 2017 05 05 21 69.45 BOS 2017 05 05 22 69.54 BOS 2017 05 05 23 68.77 BOS 2017 05 06 00 63.44 BOS 2017 05 06 01 59.53 BOS 2017 05 06 02 50.50 BOS 2017 05 06 03 44.80 BOS 2017 05 06 04 45.90 BOS 2017 05 06 05 44.96 BOS 2017 05 06 06 45.53 BOS 2017 05 06 07 45.96 BOS 2017 05 06 08 44.78 BOS 2017 05 06 09 41.74 BOS 2017 05 06 10 41.96 BOS 2017 05 06 11 39.62 BOS 2017 05 06 12 39.46 BOS 2017 05 06 13 41.76 BOS 2017 05 06 14 43.02 BOS 2017 05 06 15 47.65 BOS 2017 05 06 16 51.40 BOS 2017 05 06 17 57.65 BOS 2017 05 06 18 64.47 BOS 2017 05 06 19 66.57 BOS 2017 05 06 20 62.63 BOS 2017 05 06 21 58.46 BOS 2017 05 06 22 56.23 BOS 2017 05 06 23 55.64 BOS 2017 05 07 00 54.90 BOS 2017 05 07 01 50.92 BOS 2017 05 07 02 48.89 BOS 2017 05 07 03 46.75 BOS 2017 05 07 04 50.81 BOS 2017 05 07 05 50.52 BOS 2017 05 07 06 48.04 BOS 2017 05 07 07 45.51 BOS 2017 05 07 08 47.00 BOS 2017 05 07 09 40.66 BOS 2017 05 07 10 37.90 BOS 2017 05 07 11 39.07 BOS 2017 05 07 12 39.55 BOS 2017 05 07 13 36.54 BOS 2017 05 07 14 40.54 BOS 2017 05 07 15 46.66 BOS 2017 05 07 16 51.37 BOS 2017 05 07 17 54.38 BOS 2017 05 07 18 56.96 BOS 2017 05 07 19 60.12 BOS 2017 05 07 20 60.91 BOS 2017 05 07 21 58.22 BOS 2017 05 07 22 9999.99 BOS 2017 05 15 15 42.02 BOS 2017 05 15 16 40.72 BOS 2017 05 15 17 47.86 BOS 2017 05 15 18 50.19 BOS 2017 05 15 19 62.58 BOS 2017 05 15 20 71.91 BOS 2017 05 15 21 71.87 BOS 2017 05 15 22 70.39 BOS 2017 05 15 23 59.89 BOS 2017 05 16 00 55.04 BOS 2017 05 16 01 55.89 BOS 2017 05 16 02 56.37 BOS 2017 05 16 03 58.36 BOS 2017 05 16 04 58.09 BOS 2017 05 16 05 60.94 BOS 2017 05 16 06 61.82 BOS 2017 05 16 07 61.06 BOS 2017 05 16 08 59.85 BOS 2017 05 16 09 58.75 BOS 2017 05 16 10 53.92 BOS 2017 05 16 11 52.31 BOS 2017 05 16 12 51.13 BOS 2017 05 16 13 35.79 BOS 2017 05 16 14 36.12 BOS 2017 05 16 15 47.02 BOS 2017 05 16 16 53.09 BOS 2017 05 16 17 57.04 BOS 2017 05 16 18 60.90 BOS 2017 05 16 19 57.03 BOS 2017 05 16 20 52.54 BOS 2017 05 16 21 51.02 BOS 2017 05 16 22 50.90 BOS 2017 05 16 23 49.33 BOS 2017 05 17 00 53.77 BOS 2017 05 17 01 46.15 BOS 2017 05 17 02 42.54 BOS 2017 05 17 03 39.39 BOS 2017 05 17 04 34.50 BOS 2017 05 17 05 37.97 BOS 2017 05 17 06 39.31 BOS 2017 05 17 07 41.60 BOS 2017 05 17 08 39.90 BOS 2017 05 17 09 32.49 BOS 2017 05 17 10 31.86 BOS 2017 05 17 11 34.54 BOS 2017 05 17 12 37.46 BOS 2017 05 17 13 42.90 BOS 2017 05 17 14 31.05 BOS 2017 05 17 15 35.65 BOS 2017 05 17 16 53.06 BOS 2017 05 17 17 56.46 BOS 2017 05 17 18 56.13 BOS 2017 05 17 19 54.07 BOS 2017 05 17 20 56.63 BOS 2017 05 17 21 57.36 BOS 2017 05 17 22 58.46 BOS 2017 05 17 23 58.85 BOS 2017 05 18 00 54.22 BOS 2017 05 18 01 46.83 BOS 2017 05 18 02 44.72 BOS 2017 05 18 03 44.94 BOS 2017 05 18 04 46.35 BOS 2017 05 18 05 46.25 BOS 2017 05 18 06 44.08 BOS 2017 05 18 07 46.17 BOS 2017 05 18 08 46.41 BOS 2017 05 18 09 44.15 BOS 2017 05 18 10 40.74 BOS 2017 05 18 11 40.78 BOS 2017 05 18 12 40.69 BOS 2017 05 18 13 37.82 BOS 2017 05 18 14 33.29 BOS 2017 05 18 15 32.88 BOS 2017 05 18 16 31.34 BOS 2017 05 18 17 29.34 BOS 2017 05 18 18 27.95 BOS 2017 05 18 19 27.45 BOS 2017 05 18 20 27.25 BOS 2017 05 18 21 27.32 BOS 2017 05 18 22 28.30 BOS 2017 05 18 23 28.78 BOS 2017 05 19 00 28.20 BOS 2017 05 19 01 27.79 BOS 2017 05 19 02 25.91 BOS 2017 05 19 03 26.08 BOS 2017 05 19 04 24.89 BOS 2017 05 19 05 21.76 BOS 2017 05 19 06 20.63 BOS 2017 05 19 07 22.28 BOS 2017 05 19 08 21.55 BOS 2017 05 19 09 20.62 BOS 2017 05 19 10 22.17 BOS 2017 05 19 11 16.11 BOS 2017 05 19 12 20.21 BOS 2017 05 19 13 16.41 BOS 2017 05 19 14 22.48 BOS 2017 05 19 15 25.36 BOS 2017 05 19 16 33.55 BOS 2017 05 19 17 39.78 BOS 2017 05 19 18 42.45 BOS 2017 05 19 19 44.49 BOS 2017 05 19 20 43.56 BOS 2017 05 19 21 43.00 BOS 2017 05 19 22 41.64 BOS 2017 05 19 23 40.22 BOS 2017 05 20 00 42.04 BOS 2017 05 20 01 41.20 BOS 2017 05 20 02 38.55 BOS 2017 05 20 03 34.39 BOS 2017 05 20 04 33.38 BOS 2017 05 20 05 33.03 BOS 2017 05 20 06 32.65 BOS 2017 05 20 07 29.92 BOS 2017 05 20 08 34.34 BOS 2017 05 20 09 34.86 BOS 2017 05 20 10 25.74 BOS 2017 05 20 11 30.11 BOS 2017 05 20 12 28.05 BOS 2017 05 20 13 33.42 BOS 2017 05 20 14 33.54 BOS 2017 05 20 15 39.44 BOS 2017 05 20 16 42.85 BOS 2017 05 20 17 43.75 BOS 2017 05 20 18 45.71 BOS 2017 05 20 19 47.40 BOS 2017 05 20 20 47.49 BOS 2017 05 20 21 47.14 BOS 2017 05 20 22 47.05 BOS 2017 05 20 23 50.62 BOS 2017 05 21 00 48.44 BOS 2017 05 21 01 43.42 BOS 2017 05 21 02 40.95 BOS 2017 05 21 03 39.20 BOS 2017 05 21 04 37.47 BOS 2017 05 21 05 35.83 BOS 2017 05 21 06 38.52 BOS 2017 05 21 07 34.53 BOS 2017 05 21 08 36.44 BOS 2017 05 21 09 37.91 BOS 2017 05 21 10 35.89 BOS 2017 05 21 11 36.47 BOS 2017 05 21 12 34.43 BOS 2017 05 21 13 33.49 BOS 2017 05 21 14 38.36 BOS 2017 05 21 15 39.11 BOS 2017 05 21 16 44.52 BOS 2017 05 21 17 50.17 BOS 2017 05 21 18 53.92 BOS 2017 05 21 19 56.86 BOS 2017 05 21 20 58.81 BOS 2017 05 21 21 54.90 BOS 2017 05 21 22 52.40 BOS 2017 05 21 23 49.42 BOS 2017 05 22 00 47.47 BOS 2017 05 22 01 44.29 BOS 2017 05 22 02 42.35 BOS 2017 05 22 03 41.94 BOS 2017 05 22 04 40.94 BOS 2017 05 22 05 45.88 BOS 2017 05 22 06 32.62 BOS 2017 05 22 07 33.17 BOS 2017 05 22 08 31.37 BOS 2017 05 22 09 31.47 BOS 2017 05 22 10 30.45 BOS 2017 05 22 11 30.24 BOS 2017 05 22 12 27.09 BOS 2017 05 22 13 34.27 BOS 2017 05 22 14 39.44 BOS 2017 05 22 15 43.48 BOS 2017 05 22 16 48.98 BOS 2017 05 22 17 51.89 BOS 2017 05 22 18 51.79 BOS 2017 05 22 19 52.84 BOS 2017 05 22 20 49.20 BOS 2017 05 22 21 47.73 BOS 2017 05 22 22 45.14 BOS 2017 05 22 23 44.48 BOS 2017 05 23 00 43.84 BOS 2017 05 23 01 40.55 BOS 2017 05 23 02 40.68 BOS 2017 05 23 03 39.82 BOS 2017 05 23 04 38.97 BOS 2017 05 23 05 36.29 BOS 2017 05 23 06 31.95 BOS 2017 05 23 07 30.60 BOS 2017 05 23 08 36.28 BOS 2017 05 23 09 36.38 BOS 2017 05 23 10 37.48 BOS 2017 05 23 11 39.82 BOS 2017 05 23 12 34.53 BOS 2017 05 23 13 42.41 BOS 2017 05 23 14 44.44 BOS 2017 05 23 15 47.06 BOS 2017 05 23 16 47.15 BOS 2017 05 23 17 46.95 BOS 2017 05 23 18 47.10 BOS 2017 05 23 19 46.30 BOS 2017 05 23 20 46.25 BOS 2017 05 23 21 47.90 BOS 2017 05 23 22 48.22 BOS 2017 05 23 23 48.24 BOS 2017 05 24 00 45.76 BOS 2017 05 24 01 40.92 BOS 2017 05 24 02 34.93 BOS 2017 05 24 03 32.06 BOS 2017 05 24 04 35.88 BOS 2017 05 24 05 28.88 BOS 2017 05 24 06 36.94 BOS 2017 05 24 07 36.86 BOS 2017 05 24 08 32.44 BOS 2017 05 24 09 30.85 BOS 2017 05 24 10 32.81 BOS 2017 05 24 11 30.10 BOS 2017 05 24 12 26.89 BOS 2017 05 24 13 28.66 BOS 2017 05 24 14 36.24 BOS 2017 05 24 15 35.44 BOS 2017 05 24 16 37.16 BOS 2017 05 24 17 41.44 BOS 2017 05 24 18 43.48 BOS 2017 05 24 19 42.94 BOS 2017 05 24 20 42.92 BOS 2017 05 24 21 43.05 BOS 2017 05 24 22 41.77 BOS 2017 05 24 23 42.52 BOS 2017 05 25 00 42.25 BOS 2017 05 25 01 38.59 BOS 2017 05 25 02 35.61 BOS 2017 05 25 03 33.83 BOS 2017 05 25 04 35.69 BOS 2017 05 25 05 36.10 BOS 2017 05 25 06 45.50 BOS 2017 05 25 07 43.66 BOS 2017 05 25 08 44.10 BOS 2017 05 25 09 44.35 BOS 2017 05 25 10 48.82 BOS 2017 05 25 11 44.86 BOS 2017 05 25 12 42.87 BOS 2017 05 25 13 37.64 BOS 2017 05 25 14 40.09 BOS 2017 05 25 15 40.44 BOS 2017 05 25 16 44.35 BOS 2017 05 25 17 44.85 BOS 2017 05 25 18 42.96 BOS 2017 05 25 19 40.74 BOS 2017 05 25 20 35.92 BOS 2017 05 25 21 38.45 BOS 2017 05 25 22 40.51 BOS 2017 05 25 23 40.17 BOS 2017 05 26 00 43.07 BOS 2017 05 26 01 36.09 BOS 2017 05 26 02 34.58 BOS 2017 05 26 03 31.42 BOS 2017 05 26 04 26.80 BOS 2017 05 26 05 31.86 BOS 2017 05 26 06 49.19 BOS 2017 05 26 07 43.59 BOS 2017 05 26 08 38.72 BOS 2017 05 26 09 39.65 BOS 2017 05 26 10 38.07 BOS 2017 05 26 11 30.74 BOS 2017 05 26 12 25.02 BOS 2017 05 26 13 27.27 BOS 2017 05 26 14 28.68 BOS 2017 05 26 15 30.70 BOS 2017 05 26 16 33.33 BOS 2017 05 26 17 35.58 BOS 2017 05 26 18 34.82 BOS 2017 05 26 19 37.35 BOS 2017 05 26 20 41.04 BOS 2017 05 26 21 48.96 BOS 2017 05 26 22 50.25 BOS 2017 05 26 23 47.78 BOS 2017 05 27 00 45.12 BOS 2017 05 27 01 36.84 BOS 2017 05 27 02 36.72 BOS 2017 05 27 03 38.02 BOS 2017 05 27 04 35.31 BOS 2017 05 27 05 32.77 BOS 2017 05 27 06 33.12 BOS 2017 05 27 07 30.48 BOS 2017 05 27 08 28.35 BOS 2017 05 27 09 30.65 BOS 2017 05 27 10 34.80 BOS 2017 05 27 11 36.01 BOS 2017 05 27 12 27.83 BOS 2017 05 27 13 31.00 BOS 2017 05 27 14 43.08 BOS 2017 05 27 15 41.94 BOS 2017 05 27 16 42.43 BOS 2017 05 27 17 40.29 BOS 2017 05 27 18 39.98 BOS 2017 05 27 19 40.92 BOS 2017 05 27 20 43.33 BOS 2017 05 27 21 43.36 BOS 2017 05 27 22 40.12 BOS 2017 05 27 23 37.59 BOS 2017 05 28 00 38.29 BOS 2017 05 28 01 32.24 BOS 2017 05 28 02 31.77 BOS 2017 05 28 03 23.50 BOS 2017 05 28 04 23.83 BOS 2017 05 28 05 25.23 BOS 2017 05 28 06 26.83 BOS 2017 05 28 07 30.02 BOS 2017 05 28 08 32.35 BOS 2017 05 28 09 32.69 BOS 2017 05 28 10 36.29 BOS 2017 05 28 11 36.70 BOS 2017 05 28 12 33.44 BOS 2017 05 28 13 32.43 BOS 2017 05 28 14 32.65 BOS 2017 05 28 15 42.24 BOS 2017 05 28 16 43.13 BOS 2017 05 28 17 43.52 BOS 2017 05 28 18 44.12 BOS 2017 05 28 19 46.83 BOS 2017 05 28 20 47.44 BOS 2017 05 28 21 47.08 BOS 2017 05 28 22 45.98 BOS 2017 05 28 23 47.50 BOS 2017 05 29 00 42.81 BOS 2017 05 29 01 26.31 BOS 2017 05 29 02 32.62 BOS 2017 05 29 03 30.57 BOS 2017 05 29 04 28.56 BOS 2017 05 29 05 29.30 BOS 2017 05 29 06 28.68 BOS 2017 05 29 07 28.43 BOS 2017 05 29 08 26.51 BOS 2017 05 29 09 23.65 BOS 2017 05 29 10 21.76 BOS 2017 05 29 11 25.12 BOS 2017 05 29 12 22.35 BOS 2017 05 29 13 28.49 BOS 2017 05 29 14 32.55 BOS 2017 05 29 15 39.26 BOS 2017 05 29 16 42.97 BOS 2017 05 29 17 48.79 BOS 2017 05 29 18 48.17 BOS 2017 05 29 19 46.62 BOS 2017 05 29 20 46.36 BOS 2017 05 29 21 45.09 BOS 2017 05 29 22 46.49 BOS 2017 05 29 23 49.37 BOS 2017 05 30 00 50.20 BOS 2017 05 30 01 41.30 BOS 2017 05 30 02 30.07 BOS 2017 05 30 03 28.12 BOS 2017 05 30 04 27.88 BOS 2017 05 30 05 29.56 BOS 2017 05 30 06 26.33 BOS 2017 05 30 07 28.90 BOS 2017 05 30 08 30.52 BOS 2017 05 30 09 30.57 BOS 2017 05 30 10 28.93 BOS 2017 05 30 11 29.24 BOS 2017 05 30 12 25.92 BOS 2017 05 30 13 29.14 BOS 2017 05 30 14 32.23 BOS 2017 05 30 15 36.84 BOS 2017 05 30 16 43.89 BOS 2017 05 30 17 46.66 BOS 2017 05 30 18 9999.99 BOS 2017 05 30 19 64.58 BOS 2017 05 30 20 65.52 BOS 2017 05 30 21 65.49 BOS 2017 05 30 22 65.04 BOS 2017 05 30 23 65.97 BOS 2017 05 31 00 54.35 BOS 2017 05 31 01 45.73 BOS 2017 05 31 02 46.48 BOS 2017 05 31 03 61.11 BOS 2017 05 31 04 59.19 BOS 2017 05 31 05 54.51 BOS 2017 05 31 06 45.75 BOS 2017 05 31 07 42.66 BOS 2017 05 31 08 41.12 BOS 2017 05 31 09 37.15 BOS 2017 05 31 10 36.40 BOS 2017 05 31 11 40.41 BOS 2017 05 31 12 35.38 BOS 2017 05 31 13 39.68 BOS 2017 05 31 14 45.30 BOS 2017 05 31 15 49.31 BOS 2017 05 31 16 55.66 BOS 2017 05 31 17 57.77 BOS 2017 05 31 18 62.74 BOS 2017 05 31 19 60.89 BOS 2017 05 31 20 62.82 BOS 2017 05 31 21 66.17 BOS 2017 05 31 22 67.67 BOS 2017 05 31 23 76.03