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 01 01 00 9999.99 BOS 2018 01 10 00 40.69 BOS 2018 01 10 01 40.07 BOS 2018 01 10 02 39.24 BOS 2018 01 10 03 40.37 BOS 2018 01 10 04 40.51 BOS 2018 01 10 05 40.15 BOS 2018 01 10 06 40.52 BOS 2018 01 10 07 42.66 BOS 2018 01 10 08 41.95 BOS 2018 01 10 09 39.04 BOS 2018 01 10 10 35.73 BOS 2018 01 10 11 39.91 BOS 2018 01 10 12 39.48 BOS 2018 01 10 13 29.52 BOS 2018 01 10 14 32.83 BOS 2018 01 10 15 32.21 BOS 2018 01 10 16 31.76 BOS 2018 01 10 17 37.61 BOS 2018 01 10 18 38.32 BOS 2018 01 10 19 22.43 BOS 2018 01 10 20 10.46 BOS 2018 01 10 21 23.57 BOS 2018 01 10 22 33.54 BOS 2018 01 10 23 27.57 BOS 2018 01 11 00 26.37 BOS 2018 01 11 01 26.50 BOS 2018 01 11 02 18.63 BOS 2018 01 11 03 16.13 BOS 2018 01 11 04 16.50 BOS 2018 01 11 05 16.90 BOS 2018 01 11 06 16.10 BOS 2018 01 11 07 13.87 BOS 2018 01 11 08 13.53 BOS 2018 01 11 09 14.32 BOS 2018 01 11 10 16.19 BOS 2018 01 11 11 18.49 BOS 2018 01 11 12 20.06 BOS 2018 01 11 13 22.72 BOS 2018 01 11 14 25.12 BOS 2018 01 11 15 23.79 BOS 2018 01 11 16 25.05 BOS 2018 01 11 17 30.67 BOS 2018 01 11 18 32.96 BOS 2018 01 11 19 39.43 BOS 2018 01 11 20 47.51 BOS 2018 01 11 21 48.34 BOS 2018 01 11 22 47.92 BOS 2018 01 11 23 47.19 BOS 2018 01 12 00 47.51 BOS 2018 01 12 01 47.78 BOS 2018 01 12 02 47.19 BOS 2018 01 12 03 47.97 BOS 2018 01 12 04 47.00 BOS 2018 01 12 05 42.34 BOS 2018 01 12 06 36.92 BOS 2018 01 12 07 44.26 BOS 2018 01 12 08 37.68 BOS 2018 01 12 09 42.59 BOS 2018 01 12 10 34.07 BOS 2018 01 12 11 26.90 BOS 2018 01 12 12 34.88 BOS 2018 01 12 13 35.38 BOS 2018 01 12 14 16.15 BOS 2018 01 12 15 24.41 BOS 2018 01 12 16 29.61 BOS 2018 01 12 17 28.06 BOS 2018 01 12 18 18.27 BOS 2018 01 12 19 21.63 BOS 2018 01 12 20 27.82 BOS 2018 01 12 21 27.30 BOS 2018 01 12 22 30.18 BOS 2018 01 12 23 30.87 BOS 2018 01 13 00 31.24 BOS 2018 01 13 01 27.06 BOS 2018 01 13 02 21.72 BOS 2018 01 13 03 18.62 BOS 2018 01 13 04 18.24 BOS 2018 01 13 05 16.46 BOS 2018 01 13 06 16.25 BOS 2018 01 13 07 14.38 BOS 2018 01 13 08 16.32 BOS 2018 01 13 09 10.69 BOS 2018 01 13 10 7.36 BOS 2018 01 13 11 11.33 BOS 2018 01 13 12 14.79 BOS 2018 01 13 13 17.94 BOS 2018 01 13 14 21.22 BOS 2018 01 13 15 17.77 BOS 2018 01 13 16 22.12 BOS 2018 01 13 17 32.41 BOS 2018 01 13 18 32.50 BOS 2018 01 13 19 31.56 BOS 2018 01 13 20 37.71 BOS 2018 01 13 21 39.14 BOS 2018 01 13 22 40.61 BOS 2018 01 13 23 39.30 BOS 2018 01 14 00 37.29 BOS 2018 01 14 01 33.93 BOS 2018 01 14 02 31.67 BOS 2018 01 14 03 30.03 BOS 2018 01 14 04 31.77 BOS 2018 01 14 05 33.00 BOS 2018 01 14 06 25.87 BOS 2018 01 14 07 22.42 BOS 2018 01 14 08 28.60 BOS 2018 01 14 09 29.95 BOS 2018 01 14 10 29.21 BOS 2018 01 14 11 32.09 BOS 2018 01 14 12 30.64 BOS 2018 01 14 13 31.63 BOS 2018 01 14 14 27.04 BOS 2018 01 14 15 23.91 BOS 2018 01 14 16 24.88 BOS 2018 01 14 17 24.37 BOS 2018 01 14 18 25.91 BOS 2018 01 14 19 29.68 BOS 2018 01 14 20 31.77 BOS 2018 01 14 21 31.94 BOS 2018 01 14 22 9999.99 BOS 2018 01 14 23 31.78 BOS 2018 01 15 00 31.35 BOS 2018 01 15 01 35.03 BOS 2018 01 15 02 34.62 BOS 2018 01 15 03 31.28 BOS 2018 01 15 04 33.16 BOS 2018 01 15 05 31.46 BOS 2018 01 15 06 25.39 BOS 2018 01 15 07 27.90 BOS 2018 01 15 08 28.42 BOS 2018 01 15 09 26.92 BOS 2018 01 15 10 24.89 BOS 2018 01 15 11 31.04 BOS 2018 01 15 12 31.64 BOS 2018 01 15 13 32.00 BOS 2018 01 15 14 32.64 BOS 2018 01 15 15 33.10 BOS 2018 01 15 16 33.97 BOS 2018 01 15 17 39.52 BOS 2018 01 15 18 40.75 BOS 2018 01 15 19 41.59 BOS 2018 01 15 20 41.38 BOS 2018 01 15 21 41.27 BOS 2018 01 15 22 41.45 BOS 2018 01 15 23 39.22 BOS 2018 01 16 00 35.75 BOS 2018 01 16 01 34.06 BOS 2018 01 16 02 37.67 BOS 2018 01 16 03 37.32 BOS 2018 01 16 04 38.78 BOS 2018 01 16 05 37.92 BOS 2018 01 16 06 34.65 BOS 2018 01 16 07 33.29 BOS 2018 01 16 08 30.50 BOS 2018 01 16 09 29.88 BOS 2018 01 16 10 29.24 BOS 2018 01 16 11 31.28 BOS 2018 01 16 12 32.67 BOS 2018 01 16 13 34.96 BOS 2018 01 16 14 36.55 BOS 2018 01 16 15 35.51 BOS 2018 01 16 16 31.90 BOS 2018 01 16 17 34.87 BOS 2018 01 16 18 36.93 BOS 2018 01 16 19 37.95 BOS 2018 01 16 20 31.88 BOS 2018 01 16 21 28.77 BOS 2018 01 16 22 25.89 BOS 2018 01 16 23 10.85 BOS 2018 01 17 00 13.79 BOS 2018 01 17 01 20.76 BOS 2018 01 17 02 25.87 BOS 2018 01 17 03 27.03 BOS 2018 01 17 04 29.86 BOS 2018 01 17 05 31.08 BOS 2018 01 17 06 23.26 BOS 2018 01 17 07 16.85 BOS 2018 01 17 08 16.30 BOS 2018 01 17 09 19.96 BOS 2018 01 17 10 25.64 BOS 2018 01 17 11 31.96 BOS 2018 01 17 12 37.84 BOS 2018 01 17 13 36.76 BOS 2018 01 17 14 36.82 BOS 2018 01 17 15 32.51 BOS 2018 01 17 16 38.21 BOS 2018 01 17 17 32.10 BOS 2018 01 17 18 39.29 BOS 2018 01 17 19 43.43 BOS 2018 01 17 20 45.07 BOS 2018 01 17 21 43.72 BOS 2018 01 17 22 39.98 BOS 2018 01 17 23 33.77 BOS 2018 01 18 00 32.32 BOS 2018 01 18 01 34.35 BOS 2018 01 18 02 35.12 BOS 2018 01 18 03 33.88 BOS 2018 01 18 04 30.49 BOS 2018 01 18 05 30.45 BOS 2018 01 18 06 32.31 BOS 2018 01 18 07 33.82 BOS 2018 01 18 08 33.83 BOS 2018 01 18 09 32.32 BOS 2018 01 18 10 30.71 BOS 2018 01 18 11 31.31 BOS 2018 01 18 12 30.26 BOS 2018 01 18 13 33.80 BOS 2018 01 18 14 35.03 BOS 2018 01 18 15 34.26 BOS 2018 01 18 16 39.04 BOS 2018 01 18 17 32.41 BOS 2018 01 18 18 31.57 BOS 2018 01 18 19 39.16 BOS 2018 01 18 20 37.17 BOS 2018 01 18 21 33.13 BOS 2018 01 18 22 27.94 BOS 2018 01 18 23 22.51 BOS 2018 01 19 00 24.20 BOS 2018 01 19 01 29.70 BOS 2018 01 19 02 33.84 BOS 2018 01 19 03 39.50 BOS 2018 01 19 04 41.54 BOS 2018 01 19 05 40.36 BOS 2018 01 19 06 41.07 BOS 2018 01 19 07 39.78 BOS 2018 01 19 08 40.43 BOS 2018 01 19 09 43.01 BOS 2018 01 19 10 38.63 BOS 2018 01 19 11 41.51 BOS 2018 01 19 12 43.07 BOS 2018 01 19 13 42.93 BOS 2018 01 19 14 43.36 BOS 2018 01 19 15 44.55 BOS 2018 01 19 16 43.05 BOS 2018 01 19 17 42.03 BOS 2018 01 19 18 41.49 BOS 2018 01 19 19 41.64 BOS 2018 01 19 20 42.32 BOS 2018 01 19 21 42.92 BOS 2018 01 19 22 42.76 BOS 2018 01 19 23 41.70 BOS 2018 01 20 00 41.48 BOS 2018 01 20 01 41.39 BOS 2018 01 20 02 37.64 BOS 2018 01 20 03 40.12 BOS 2018 01 20 04 40.08 BOS 2018 01 20 05 41.57 BOS 2018 01 20 06 41.59 BOS 2018 01 20 07 39.57 BOS 2018 01 20 08 39.69 BOS 2018 01 20 09 29.73 BOS 2018 01 20 10 20.25 BOS 2018 01 20 11 24.82 BOS 2018 01 20 12 13.90 BOS 2018 01 20 13 21.08 BOS 2018 01 20 14 22.24 BOS 2018 01 20 15 27.32 BOS 2018 01 20 16 24.52 BOS 2018 01 20 17 26.95 BOS 2018 01 20 18 29.57 BOS 2018 01 20 19 29.59 BOS 2018 01 20 20 29.86 BOS 2018 01 20 21 33.89 BOS 2018 01 20 22 33.15 BOS 2018 01 20 23 30.83 BOS 2018 01 21 00 29.84 BOS 2018 01 21 01 28.06 BOS 2018 01 21 02 26.67 BOS 2018 01 21 03 26.82 BOS 2018 01 21 04 24.36 BOS 2018 01 21 05 23.66 BOS 2018 01 21 06 24.49 BOS 2018 01 21 07 26.08 BOS 2018 01 21 08 28.19 BOS 2018 01 21 09 32.37 BOS 2018 01 21 10 33.88 BOS 2018 01 21 11 36.26 BOS 2018 01 21 12 39.98 BOS 2018 01 21 13 40.21 BOS 2018 01 21 14 41.41 BOS 2018 01 21 15 38.02 BOS 2018 01 21 16 36.45 BOS 2018 01 21 17 37.06 BOS 2018 01 21 18 39.78 BOS 2018 01 21 19 41.30 BOS 2018 01 21 20 43.14 BOS 2018 01 21 21 44.37 BOS 2018 01 21 22 44.38 BOS 2018 01 21 23 42.68 BOS 2018 01 22 00 41.17 BOS 2018 01 22 01 38.97 BOS 2018 01 22 02 38.57 BOS 2018 01 22 03 39.41 BOS 2018 01 22 04 41.09 BOS 2018 01 22 05 44.14 BOS 2018 01 22 06 42.27 BOS 2018 01 22 07 40.41 BOS 2018 01 22 08 42.17 BOS 2018 01 22 09 42.79 BOS 2018 01 22 10 44.71 BOS 2018 01 22 11 45.68 BOS 2018 01 22 12 46.33 BOS 2018 01 22 13 46.53 BOS 2018 01 22 14 46.24 BOS 2018 01 22 15 45.82 BOS 2018 01 22 16 45.38 BOS 2018 01 22 17 44.77 BOS 2018 01 22 18 44.44 BOS 2018 01 22 19 45.17 BOS 2018 01 22 20 44.99 BOS 2018 01 22 21 46.11 BOS 2018 01 22 22 44.73 BOS 2018 01 22 23 43.26 BOS 2018 01 23 00 38.52 BOS 2018 01 23 01 42.73 BOS 2018 01 23 02 42.86 BOS 2018 01 23 03 35.54 BOS 2018 01 23 04 47.08 BOS 2018 01 23 05 45.86 BOS 2018 01 23 06 46.27 BOS 2018 01 23 07 46.14 BOS 2018 01 23 08 45.02 BOS 2018 01 23 09 31.79 BOS 2018 01 23 10 34.13 BOS 2018 01 23 11 35.60 BOS 2018 01 23 12 35.54 BOS 2018 01 23 13 40.83 BOS 2018 01 23 14 41.07 BOS 2018 01 23 15 46.65 BOS 2018 01 23 16 45.46 BOS 2018 01 23 17 44.86 BOS 2018 01 23 18 36.36 BOS 2018 01 23 19 31.08 BOS 2018 01 23 20 39.73 BOS 2018 01 23 21 41.23 BOS 2018 01 23 22 40.79 BOS 2018 01 23 23 40.88 BOS 2018 01 24 00 38.27 BOS 2018 01 24 01 39.06 BOS 2018 01 24 02 36.99 BOS 2018 01 24 03 36.58 BOS 2018 01 24 04 37.13 BOS 2018 01 24 05 38.75 BOS 2018 01 24 06 38.72 BOS 2018 01 24 07 37.73 BOS 2018 01 24 08 34.48 BOS 2018 01 24 09 37.03 BOS 2018 01 24 10 39.05 BOS 2018 01 24 11 37.30 BOS 2018 01 24 12 38.35 BOS 2018 01 24 13 40.49 BOS 2018 01 24 14 46.99 BOS 2018 01 24 15 47.39 BOS 2018 01 24 16 45.23 BOS 2018 01 24 17 33.47 BOS 2018 01 24 18 26.61 BOS 2018 01 24 19 28.44 BOS 2018 01 24 20 32.08 BOS 2018 01 24 21 35.12 BOS 2018 01 24 22 48.51 BOS 2018 01 24 23 49.15 BOS 2018 01 25 00 47.87 BOS 2018 01 25 01 47.24 BOS 2018 01 25 02 44.85 BOS 2018 01 25 03 40.92 BOS 2018 01 25 04 42.49 BOS 2018 01 25 05 45.30 BOS 2018 01 25 06 44.45 BOS 2018 01 25 07 46.28 BOS 2018 01 25 08 46.83 BOS 2018 01 25 09 45.53 BOS 2018 01 25 10 43.88 BOS 2018 01 25 11 41.39 BOS 2018 01 25 12 42.69 BOS 2018 01 25 13 42.62 BOS 2018 01 25 14 44.66 BOS 2018 01 25 15 43.11 BOS 2018 01 25 16 39.71 BOS 2018 01 25 17 37.21 BOS 2018 01 25 18 37.72 BOS 2018 01 25 19 34.10 BOS 2018 01 25 20 34.01 BOS 2018 01 25 21 34.26 BOS 2018 01 25 22 34.51 BOS 2018 01 25 23 30.65 BOS 2018 01 26 00 18.55 BOS 2018 01 26 01 13.21 BOS 2018 01 26 02 21.08 BOS 2018 01 26 03 43.23 BOS 2018 01 26 04 44.94 BOS 2018 01 26 05 41.58 BOS 2018 01 26 06 41.37 BOS 2018 01 26 07 45.53 BOS 2018 01 26 08 44.76 BOS 2018 01 26 09 44.25 BOS 2018 01 26 10 43.70 BOS 2018 01 26 11 43.54 BOS 2018 01 26 12 42.84 BOS 2018 01 26 13 41.97 BOS 2018 01 26 14 39.34 BOS 2018 01 26 15 45.36 BOS 2018 01 26 16 46.81 BOS 2018 01 26 17 46.11 BOS 2018 01 26 18 46.04 BOS 2018 01 26 19 45.20 BOS 2018 01 26 20 45.08 BOS 2018 01 26 21 45.35 BOS 2018 01 26 22 45.43 BOS 2018 01 26 23 44.60 BOS 2018 01 27 00 43.58 BOS 2018 01 27 01 43.68 BOS 2018 01 27 02 44.38 BOS 2018 01 27 03 44.72 BOS 2018 01 27 04 44.90 BOS 2018 01 27 05 45.68 BOS 2018 01 27 06 45.49 BOS 2018 01 27 07 46.06 BOS 2018 01 27 08 46.16 BOS 2018 01 27 09 44.25 BOS 2018 01 27 10 45.29 BOS 2018 01 27 11 45.81 BOS 2018 01 27 12 43.64 BOS 2018 01 27 13 38.70 BOS 2018 01 27 14 36.12 BOS 2018 01 27 15 38.59 BOS 2018 01 27 16 33.19 BOS 2018 01 27 17 42.85 BOS 2018 01 27 18 45.04 BOS 2018 01 27 19 34.75 BOS 2018 01 27 20 43.91 BOS 2018 01 27 21 50.27 BOS 2018 01 27 22 49.86 BOS 2018 01 27 23 49.21 BOS 2018 01 28 00 48.94 BOS 2018 01 28 01 45.94 BOS 2018 01 28 02 44.37 BOS 2018 01 28 03 33.74 BOS 2018 01 28 04 22.14 BOS 2018 01 28 05 23.04 BOS 2018 01 28 06 25.52 BOS 2018 01 28 07 28.65 BOS 2018 01 28 08 28.79 BOS 2018 01 28 09 30.80 BOS 2018 01 28 10 39.47 BOS 2018 01 28 11 45.30 BOS 2018 01 28 12 44.50 BOS 2018 01 28 13 46.47 BOS 2018 01 28 14 43.36 BOS 2018 01 28 15 40.18 BOS 2018 01 28 16 43.11 BOS 2018 01 28 17 45.14 BOS 2018 01 28 18 45.15 BOS 2018 01 28 19 44.91 BOS 2018 01 28 20 43.55 BOS 2018 01 28 21 42.00 BOS 2018 01 28 22 35.98 BOS 2018 01 28 23 37.74 BOS 2018 01 29 00 36.59 BOS 2018 01 29 01 37.03 BOS 2018 01 29 02 29.49 BOS 2018 01 29 03 31.18 BOS 2018 01 29 04 30.71 BOS 2018 01 29 05 28.74 BOS 2018 01 29 06 25.74 BOS 2018 01 29 07 28.47 BOS 2018 01 29 08 28.76 BOS 2018 01 29 09 29.91 BOS 2018 01 29 10 30.99 BOS 2018 01 29 11 28.89 BOS 2018 01 29 12 29.83 BOS 2018 01 29 13 34.38 BOS 2018 01 29 14 34.50 BOS 2018 01 29 15 31.46 BOS 2018 01 29 16 23.93 BOS 2018 01 29 17 29.67 BOS 2018 01 29 18 33.22 BOS 2018 01 29 19 31.53 BOS 2018 01 29 20 29.92 BOS 2018 01 29 21 32.00 BOS 2018 01 29 22 23.31 BOS 2018 01 29 23 16.32 BOS 2018 01 30 00 11.50 BOS 2018 01 30 01 30.66 BOS 2018 01 30 02 40.53 BOS 2018 01 30 03 16.62 BOS 2018 01 30 04 39.93 BOS 2018 01 30 05 42.45 BOS 2018 01 30 06 44.06 BOS 2018 01 30 07 40.60 BOS 2018 01 30 08 28.92 BOS 2018 01 30 09 30.29 BOS 2018 01 30 10 33.24 BOS 2018 01 30 11 40.16 BOS 2018 01 30 12 41.13 BOS 2018 01 30 13 46.29 BOS 2018 01 30 14 49.06 BOS 2018 01 30 15 48.47 BOS 2018 01 30 16 47.74 BOS 2018 01 30 17 47.76 BOS 2018 01 30 18 46.48 BOS 2018 01 30 19 46.69 BOS 2018 01 30 20 46.62 BOS 2018 01 30 21 47.83 BOS 2018 01 30 22 47.31 BOS 2018 01 30 23 46.83 BOS 2018 01 31 00 45.42 BOS 2018 01 31 01 44.98 BOS 2018 01 31 02 44.70 BOS 2018 01 31 03 45.00 BOS 2018 01 31 04 45.26 BOS 2018 01 31 05 45.28 BOS 2018 01 31 06 46.31 BOS 2018 01 31 07 47.67 BOS 2018 01 31 08 47.56 BOS 2018 01 31 09 46.73 BOS 2018 01 31 10 35.87 BOS 2018 01 31 11 34.07 BOS 2018 01 31 12 30.85 BOS 2018 01 31 13 34.03 BOS 2018 01 31 14 30.61 BOS 2018 01 31 15 34.06 BOS 2018 01 31 16 38.44 BOS 2018 01 31 17 40.57 BOS 2018 01 31 18 40.22 BOS 2018 01 31 19 36.41 BOS 2018 01 31 20 38.21 BOS 2018 01 31 21 38.33 BOS 2018 01 31 22 38.17 BOS 2018 01 31 23 35.20