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) MLO 2018 02 01 00 32.83 MLO 2018 02 01 01 33.34 MLO 2018 02 01 02 32.89 MLO 2018 02 01 03 33.82 MLO 2018 02 01 04 35.10 MLO 2018 02 01 05 36.98 MLO 2018 02 01 06 36.53 MLO 2018 02 01 07 37.69 MLO 2018 02 01 08 36.86 MLO 2018 02 01 09 34.89 MLO 2018 02 01 10 34.56 MLO 2018 02 01 11 35.59 MLO 2018 02 01 12 36.53 MLO 2018 02 01 13 36.54 MLO 2018 02 01 14 36.03 MLO 2018 02 01 15 36.56 MLO 2018 02 01 16 37.45 MLO 2018 02 01 17 38.85 MLO 2018 02 01 18 40.12 MLO 2018 02 01 19 40.51 MLO 2018 02 01 20 9999.99 MLO 2018 02 01 21 32.26 MLO 2018 02 01 22 31.24 MLO 2018 02 01 23 27.30 MLO 2018 02 02 00 25.88 MLO 2018 02 02 01 24.78 MLO 2018 02 02 02 24.35 MLO 2018 02 02 03 19.84 MLO 2018 02 02 04 15.90 MLO 2018 02 02 05 16.90 MLO 2018 02 02 06 19.95 MLO 2018 02 02 07 20.06 MLO 2018 02 02 08 20.46 MLO 2018 02 02 09 19.61 MLO 2018 02 02 10 21.31 MLO 2018 02 02 11 23.61 MLO 2018 02 02 12 22.43 MLO 2018 02 02 13 21.79 MLO 2018 02 02 14 22.80 MLO 2018 02 02 15 23.95 MLO 2018 02 02 16 21.12 MLO 2018 02 02 17 19.06 MLO 2018 02 02 18 17.44 MLO 2018 02 02 19 18.24 MLO 2018 02 02 20 18.93 MLO 2018 02 02 21 16.68 MLO 2018 02 02 22 17.34 MLO 2018 02 02 23 18.71 MLO 2018 02 03 00 19.94 MLO 2018 02 03 01 19.41 MLO 2018 02 03 02 18.93 MLO 2018 02 03 03 18.32 MLO 2018 02 03 04 18.76 MLO 2018 02 03 05 15.74 MLO 2018 02 03 06 20.64 MLO 2018 02 03 07 23.33 MLO 2018 02 03 08 24.14 MLO 2018 02 03 09 23.51 MLO 2018 02 03 10 25.39 MLO 2018 02 03 11 26.35 MLO 2018 02 03 12 27.69 MLO 2018 02 03 13 25.57 MLO 2018 02 03 14 25.17 MLO 2018 02 03 15 32.24 MLO 2018 02 03 16 29.65 MLO 2018 02 03 17 24.69 MLO 2018 02 03 18 19.83 MLO 2018 02 03 19 19.33 MLO 2018 02 03 20 18.59 MLO 2018 02 03 21 18.84 MLO 2018 02 03 22 19.88 MLO 2018 02 03 23 21.63 MLO 2018 02 04 00 22.32 MLO 2018 02 04 01 21.80 MLO 2018 02 04 02 20.23 MLO 2018 02 04 03 21.36 MLO 2018 02 04 04 24.76 MLO 2018 02 04 05 33.74 MLO 2018 02 04 06 38.70 MLO 2018 02 04 07 37.04 MLO 2018 02 04 08 36.08 MLO 2018 02 04 09 33.34 MLO 2018 02 04 10 31.39 MLO 2018 02 04 11 28.94 MLO 2018 02 04 12 34.34 MLO 2018 02 04 13 34.39 MLO 2018 02 04 14 47.34 MLO 2018 02 04 15 48.46 MLO 2018 02 04 16 46.62 MLO 2018 02 04 17 37.69 MLO 2018 02 04 18 28.79 MLO 2018 02 04 19 26.67 MLO 2018 02 04 20 24.99 MLO 2018 02 04 21 21.13 MLO 2018 02 04 22 21.55 MLO 2018 02 04 23 22.79 MLO 2018 02 05 00 25.48 MLO 2018 02 05 01 25.00 MLO 2018 02 05 02 23.73 MLO 2018 02 05 03 28.12 MLO 2018 02 05 04 29.48 MLO 2018 02 05 05 31.09 MLO 2018 02 05 06 29.23 MLO 2018 02 05 07 29.31 MLO 2018 02 05 08 29.46 MLO 2018 02 05 09 28.85 MLO 2018 02 05 10 29.59 MLO 2018 02 05 11 27.03 MLO 2018 02 05 12 28.82 MLO 2018 02 05 13 29.40 MLO 2018 02 05 14 28.46 MLO 2018 02 05 15 29.06 MLO 2018 02 05 16 27.46 MLO 2018 02 05 17 30.23 MLO 2018 02 05 18 30.37 MLO 2018 02 05 19 9999.99 MLO 2018 02 18 11 32.03 MLO 2018 02 18 12 34.82 MLO 2018 02 18 13 36.02 MLO 2018 02 18 14 37.13 MLO 2018 02 18 15 37.06 MLO 2018 02 18 16 36.67 MLO 2018 02 18 17 33.95 MLO 2018 02 18 18 33.67 MLO 2018 02 18 19 33.40 MLO 2018 02 18 20 32.27 MLO 2018 02 18 21 30.54 MLO 2018 02 18 22 30.27 MLO 2018 02 18 23 32.14 MLO 2018 02 19 00 32.13 MLO 2018 02 19 01 32.09 MLO 2018 02 19 02 33.73 MLO 2018 02 19 03 35.60 MLO 2018 02 19 04 36.96 MLO 2018 02 19 05 38.36 MLO 2018 02 19 06 36.87 MLO 2018 02 19 07 37.33 MLO 2018 02 19 08 36.78 MLO 2018 02 19 09 33.25 MLO 2018 02 19 10 36.20 MLO 2018 02 19 11 32.91 MLO 2018 02 19 12 33.14 MLO 2018 02 19 13 39.85 MLO 2018 02 19 14 42.16 MLO 2018 02 19 15 41.47 MLO 2018 02 19 16 44.06 MLO 2018 02 19 17 41.41 MLO 2018 02 19 18 36.18 MLO 2018 02 19 19 38.82 MLO 2018 02 19 20 42.41 MLO 2018 02 19 21 42.67 MLO 2018 02 19 22 38.17 MLO 2018 02 19 23 35.43 MLO 2018 02 20 00 35.21 MLO 2018 02 20 01 34.14 MLO 2018 02 20 02 33.02 MLO 2018 02 20 03 32.86 MLO 2018 02 20 04 33.06 MLO 2018 02 20 05 34.15 MLO 2018 02 20 06 32.47 MLO 2018 02 20 07 32.59 MLO 2018 02 20 08 34.80 MLO 2018 02 20 09 34.97 MLO 2018 02 20 10 35.40 MLO 2018 02 20 11 36.21 MLO 2018 02 20 12 36.70 MLO 2018 02 20 13 43.69 MLO 2018 02 20 14 39.55 MLO 2018 02 20 15 39.30 MLO 2018 02 20 16 44.02 MLO 2018 02 20 17 48.04 MLO 2018 02 20 18 47.53 MLO 2018 02 20 19 49.90 MLO 2018 02 20 20 51.12 MLO 2018 02 20 21 48.04 MLO 2018 02 20 22 44.46 MLO 2018 02 20 23 46.52 MLO 2018 02 21 00 45.19 MLO 2018 02 21 01 43.36 MLO 2018 02 21 02 42.25 MLO 2018 02 21 03 40.85 MLO 2018 02 21 04 42.87 MLO 2018 02 21 05 48.03 MLO 2018 02 21 06 50.45 MLO 2018 02 21 07 48.73 MLO 2018 02 21 08 47.35 MLO 2018 02 21 09 37.96 MLO 2018 02 21 10 39.03 MLO 2018 02 21 11 33.85 MLO 2018 02 21 12 34.44 MLO 2018 02 21 13 33.71 MLO 2018 02 21 14 35.65 MLO 2018 02 21 15 36.27 MLO 2018 02 21 16 32.16 MLO 2018 02 21 17 35.95 MLO 2018 02 21 18 31.52 MLO 2018 02 21 19 32.59 MLO 2018 02 21 20 27.24 MLO 2018 02 21 21 26.08 MLO 2018 02 21 22 26.05 MLO 2018 02 21 23 25.67 MLO 2018 02 22 00 26.75 MLO 2018 02 22 01 26.32 MLO 2018 02 22 02 25.89 MLO 2018 02 22 03 22.74 MLO 2018 02 22 04 24.31 MLO 2018 02 22 05 23.94 MLO 2018 02 22 06 23.18 MLO 2018 02 22 07 24.11 MLO 2018 02 22 08 25.22 MLO 2018 02 22 09 25.39 MLO 2018 02 22 10 25.98 MLO 2018 02 22 11 24.96 MLO 2018 02 22 12 27.59 MLO 2018 02 22 13 30.22 MLO 2018 02 22 14 29.72 MLO 2018 02 22 15 30.21 MLO 2018 02 22 16 30.84 MLO 2018 02 22 17 30.27 MLO 2018 02 22 18 28.57 MLO 2018 02 22 19 28.49 MLO 2018 02 22 20 29.27 MLO 2018 02 22 21 30.42 MLO 2018 02 22 22 28.90 MLO 2018 02 22 23 29.56 MLO 2018 02 23 00 27.98 MLO 2018 02 23 01 26.01 MLO 2018 02 23 02 25.36 MLO 2018 02 23 03 25.32 MLO 2018 02 23 04 25.43 MLO 2018 02 23 05 29.22 MLO 2018 02 23 06 31.70 MLO 2018 02 23 07 26.83 MLO 2018 02 23 08 25.16 MLO 2018 02 23 09 26.41 MLO 2018 02 23 10 26.20 MLO 2018 02 23 11 24.66 MLO 2018 02 23 12 25.08 MLO 2018 02 23 13 24.17 MLO 2018 02 23 14 24.37 MLO 2018 02 23 15 25.30 MLO 2018 02 23 16 24.33 MLO 2018 02 23 17 22.94 MLO 2018 02 23 18 24.98 MLO 2018 02 23 19 27.36 MLO 2018 02 23 20 24.33 MLO 2018 02 23 21 23.08 MLO 2018 02 23 22 22.49 MLO 2018 02 23 23 22.33 MLO 2018 02 24 00 21.81 MLO 2018 02 24 01 24.00 MLO 2018 02 24 02 23.68 MLO 2018 02 24 03 23.99 MLO 2018 02 24 04 23.88 MLO 2018 02 24 05 23.91 MLO 2018 02 24 06 24.18 MLO 2018 02 24 07 25.60 MLO 2018 02 24 08 27.71 MLO 2018 02 24 09 25.37 MLO 2018 02 24 10 25.42 MLO 2018 02 24 11 25.83 MLO 2018 02 24 12 25.42 MLO 2018 02 24 13 25.04 MLO 2018 02 24 14 24.61 MLO 2018 02 24 15 24.00 MLO 2018 02 24 16 25.67 MLO 2018 02 24 17 26.60 MLO 2018 02 24 18 31.95 MLO 2018 02 24 19 30.40 MLO 2018 02 24 20 29.93 MLO 2018 02 24 21 31.00 MLO 2018 02 24 22 31.21 MLO 2018 02 24 23 28.76 MLO 2018 02 25 00 28.93 MLO 2018 02 25 01 25.85 MLO 2018 02 25 02 28.20 MLO 2018 02 25 03 30.26 MLO 2018 02 25 04 27.28 MLO 2018 02 25 05 21.17 MLO 2018 02 25 06 25.45 MLO 2018 02 25 07 28.81 MLO 2018 02 25 08 30.29 MLO 2018 02 25 09 26.50 MLO 2018 02 25 10 24.10 MLO 2018 02 25 11 20.63 MLO 2018 02 25 12 25.11 MLO 2018 02 25 13 25.28 MLO 2018 02 25 14 26.43 MLO 2018 02 25 15 25.51 MLO 2018 02 25 16 25.75 MLO 2018 02 25 17 25.04 MLO 2018 02 25 18 25.20 MLO 2018 02 25 19 26.08 MLO 2018 02 25 20 26.20 MLO 2018 02 25 21 27.21 MLO 2018 02 25 22 26.01 MLO 2018 02 25 23 29.65 MLO 2018 02 26 00 25.20 MLO 2018 02 26 01 27.12 MLO 2018 02 26 02 27.16 MLO 2018 02 26 03 27.24 MLO 2018 02 26 04 28.32 MLO 2018 02 26 05 26.94 MLO 2018 02 26 06 27.62 MLO 2018 02 26 07 28.16 MLO 2018 02 26 08 28.74 MLO 2018 02 26 09 30.14 MLO 2018 02 26 10 28.34 MLO 2018 02 26 11 30.47 MLO 2018 02 26 12 32.61 MLO 2018 02 26 13 33.25 MLO 2018 02 26 14 34.27 MLO 2018 02 26 15 36.36 MLO 2018 02 26 16 34.72 MLO 2018 02 26 17 36.74 MLO 2018 02 26 18 33.85 MLO 2018 02 26 19 31.63 MLO 2018 02 26 20 31.02 MLO 2018 02 26 21 33.51 MLO 2018 02 26 22 34.01 MLO 2018 02 26 23 33.31 MLO 2018 02 27 00 35.11 MLO 2018 02 27 01 34.22 MLO 2018 02 27 02 32.96 MLO 2018 02 27 03 32.16 MLO 2018 02 27 04 32.52 MLO 2018 02 27 05 33.23 MLO 2018 02 27 06 31.72 MLO 2018 02 27 07 34.72 MLO 2018 02 27 08 35.41 MLO 2018 02 27 09 35.58 MLO 2018 02 27 10 33.09 MLO 2018 02 27 11 28.34 MLO 2018 02 27 12 23.09 MLO 2018 02 27 13 22.79 MLO 2018 02 27 14 29.46 MLO 2018 02 27 15 34.25 MLO 2018 02 27 16 34.08 MLO 2018 02 27 17 33.98 MLO 2018 02 27 18 35.00 MLO 2018 02 27 19 34.68 MLO 2018 02 27 20 33.08 MLO 2018 02 27 21 31.65 MLO 2018 02 27 22 31.82 MLO 2018 02 27 23 33.19 MLO 2018 02 28 00 31.26 MLO 2018 02 28 01 31.69 MLO 2018 02 28 02 34.25 MLO 2018 02 28 03 34.37 MLO 2018 02 28 04 37.56 MLO 2018 02 28 05 35.81 MLO 2018 02 28 06 34.62 MLO 2018 02 28 07 39.53 MLO 2018 02 28 08 41.07 MLO 2018 02 28 09 40.41 MLO 2018 02 28 10 40.18 MLO 2018 02 28 11 39.97 MLO 2018 02 28 12 35.51 MLO 2018 02 28 13 23.65 MLO 2018 02 28 14 33.15 MLO 2018 02 28 15 30.04 MLO 2018 02 28 16 32.37 MLO 2018 02 28 17 32.99 MLO 2018 02 28 18 26.60 MLO 2018 02 28 19 22.93 MLO 2018 02 28 20 9999.99 MLO 2018 02 28 21 28.90 MLO 2018 02 28 22 28.95 MLO 2018 02 28 23 29.08