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) NWR 2019 05 01 00 40.69 NWR 2019 05 01 01 46.72 NWR 2019 05 01 02 46.23 NWR 2019 05 01 03 40.90 NWR 2019 05 01 04 39.45 NWR 2019 05 01 05 36.01 NWR 2019 05 01 06 40.14 NWR 2019 05 01 07 43.32 NWR 2019 05 01 08 43.38 NWR 2019 05 01 09 52.76 NWR 2019 05 01 10 61.06 NWR 2019 05 01 11 68.44 NWR 2019 05 01 12 66.26 NWR 2019 05 01 13 67.59 NWR 2019 05 01 14 64.72 NWR 2019 05 01 15 58.07 NWR 2019 05 01 16 52.94 NWR 2019 05 01 17 52.45 NWR 2019 05 01 18 51.96 NWR 2019 05 01 19 54.64 NWR 2019 05 01 20 57.30 NWR 2019 05 01 21 62.64 NWR 2019 05 01 22 60.37 NWR 2019 05 01 23 58.62 NWR 2019 05 02 00 53.93 NWR 2019 05 02 01 38.29 NWR 2019 05 02 02 34.35 NWR 2019 05 02 03 35.76 NWR 2019 05 02 04 37.60 NWR 2019 05 02 05 37.71 NWR 2019 05 02 06 34.94 NWR 2019 05 02 07 34.63 NWR 2019 05 02 08 37.05 NWR 2019 05 02 09 40.02 NWR 2019 05 02 10 47.58 NWR 2019 05 02 11 50.92 NWR 2019 05 02 12 51.94 NWR 2019 05 02 13 49.94 NWR 2019 05 02 14 50.77 NWR 2019 05 02 15 57.41 NWR 2019 05 02 16 57.63 NWR 2019 05 02 17 57.81 NWR 2019 05 02 18 59.08 NWR 2019 05 02 19 59.12 NWR 2019 05 02 20 59.35 NWR 2019 05 02 21 59.42 NWR 2019 05 02 22 59.06 NWR 2019 05 02 23 59.16 NWR 2019 05 03 00 58.86 NWR 2019 05 03 01 58.62 NWR 2019 05 03 02 57.20 NWR 2019 05 03 03 55.02 NWR 2019 05 03 04 49.30 NWR 2019 05 03 05 52.14 NWR 2019 05 03 06 54.26 NWR 2019 05 03 07 52.92 NWR 2019 05 03 08 54.88 NWR 2019 05 03 09 55.74 NWR 2019 05 03 10 56.01 NWR 2019 05 03 11 55.70 NWR 2019 05 03 12 56.79 NWR 2019 05 03 13 56.83 NWR 2019 05 03 14 56.89 NWR 2019 05 03 15 57.20 NWR 2019 05 03 16 59.32 NWR 2019 05 03 17 60.03 NWR 2019 05 03 18 60.97 NWR 2019 05 03 19 61.77 NWR 2019 05 03 20 61.52 NWR 2019 05 03 21 61.22 NWR 2019 05 03 22 61.45 NWR 2019 05 03 23 62.44 NWR 2019 05 04 00 63.09 NWR 2019 05 04 01 60.88 NWR 2019 05 04 02 58.64 NWR 2019 05 04 03 55.39 NWR 2019 05 04 04 54.11 NWR 2019 05 04 05 55.29 NWR 2019 05 04 06 54.94 NWR 2019 05 04 07 57.45 NWR 2019 05 04 08 61.08 NWR 2019 05 04 09 61.38 NWR 2019 05 04 10 60.64 NWR 2019 05 04 11 58.67 NWR 2019 05 04 12 54.73 NWR 2019 05 04 13 60.09 NWR 2019 05 04 14 59.90 NWR 2019 05 04 15 59.89 NWR 2019 05 04 16 59.76 NWR 2019 05 04 17 58.96 NWR 2019 05 04 18 58.46 NWR 2019 05 04 19 58.15 NWR 2019 05 04 20 58.62 NWR 2019 05 04 21 58.23 NWR 2019 05 04 22 58.77 NWR 2019 05 04 23 60.19 NWR 2019 05 05 00 59.73 NWR 2019 05 05 01 58.80 NWR 2019 05 05 02 57.32 NWR 2019 05 05 03 58.20 NWR 2019 05 05 04 58.98 NWR 2019 05 05 05 57.77 NWR 2019 05 05 06 58.37 NWR 2019 05 05 07 57.18 NWR 2019 05 05 08 56.21 NWR 2019 05 05 09 58.12 NWR 2019 05 05 10 58.16 NWR 2019 05 05 11 56.74 NWR 2019 05 05 12 57.71 NWR 2019 05 05 13 58.40 NWR 2019 05 05 14 58.68 NWR 2019 05 05 15 59.64 NWR 2019 05 05 16 60.20 NWR 2019 05 05 17 59.30 NWR 2019 05 05 18 58.75 NWR 2019 05 05 19 58.01 NWR 2019 05 05 20 58.57 NWR 2019 05 05 21 58.77 NWR 2019 05 05 22 9999.99