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 enure the quality and limitation of the data are represented. Data Acknolowedegment: The Lauder surface ozone monitoring is a collaboration between NOAA-GML and NIWA (New Zealands National Institude of Water & Atmospheric Research). Data collection is made possible thanks to efforts of Dan Smale (dan.smale@niwa.co.nz) and Dr. Richard Querel (Richard.Querel@niwa.co.nz) Data Disclaimer: Data has undergone extensive quality checks and is available from NOAA-GML and WDCGG. However, there still exists the potential for these data to be modified at the discretion of NOAA/ESRL Gloabl Monitoring Laboratory. Data Version: v1 If you have any questions regarding the data in this file, please contact: Irina Petropavlovskikh: Irina.Petro@noaa.gov | (720) 263-6482 or Peter Effertz: Peter.effertz@noaa.gov | (720) 314-8380 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 Labortory Global Monitoring Laboratory. Boulder, CO. DATE ACCESSED http://dx.doi.org/10.7289/V57P8WBF STN YEAR MON DAY HR O3(PPB) LAU 2023 05 01 00 16.76 LAU 2023 05 01 01 18.39 LAU 2023 05 01 02 19.71 LAU 2023 05 01 03 18.45 LAU 2023 05 01 04 18.07 LAU 2023 05 01 05 17.90 LAU 2023 05 01 06 11.96 LAU 2023 05 01 07 7.84 LAU 2023 05 01 08 5.25 LAU 2023 05 01 09 4.87 LAU 2023 05 01 10 6.23 LAU 2023 05 01 11 5.60 LAU 2023 05 01 12 5.37 LAU 2023 05 01 13 5.85 LAU 2023 05 01 14 6.00 LAU 2023 05 01 15 5.17 LAU 2023 05 01 16 4.47 LAU 2023 05 01 17 4.07 LAU 2023 05 01 18 4.40 LAU 2023 05 01 19 4.19 LAU 2023 05 01 20 2.81 LAU 2023 05 01 21 4.20 LAU 2023 05 01 22 6.05 LAU 2023 05 01 23 8.88 LAU 2023 05 02 00 8.79 LAU 2023 05 02 01 9.75 LAU 2023 05 02 02 11.58 LAU 2023 05 02 03 10.45 LAU 2023 05 02 04 14.75 LAU 2023 05 02 05 19.62 LAU 2023 05 02 06 17.87 LAU 2023 05 02 07 18.08 LAU 2023 05 02 08 19.16 LAU 2023 05 02 09 19.81 LAU 2023 05 02 10 19.48 LAU 2023 05 02 11 23.91 LAU 2023 05 02 12 25.52 LAU 2023 05 02 13 23.39 LAU 2023 05 02 14 22.77 LAU 2023 05 02 15 21.55 LAU 2023 05 02 16 19.50 LAU 2023 05 02 17 17.59 LAU 2023 05 02 18 15.67 LAU 2023 05 02 19 17.73 LAU 2023 05 02 20 19.75 LAU 2023 05 02 21 22.57 LAU 2023 05 02 22 23.37 LAU 2023 05 02 23 24.57 LAU 2023 05 03 00 25.35 LAU 2023 05 03 01 25.14 LAU 2023 05 03 02 26.44 LAU 2023 05 03 03 25.22 LAU 2023 05 03 04 25.95 LAU 2023 05 03 05 26.31 LAU 2023 05 03 06 28.32 LAU 2023 05 03 07 27.93 LAU 2023 05 03 08 27.45 LAU 2023 05 03 09 26.23 LAU 2023 05 03 10 26.04 LAU 2023 05 03 11 20.97 LAU 2023 05 03 12 20.62 LAU 2023 05 03 13 22.20 LAU 2023 05 03 14 21.86 LAU 2023 05 03 15 21.23 LAU 2023 05 03 16 18.36 LAU 2023 05 03 17 15.09 LAU 2023 05 03 18 15.53 LAU 2023 05 03 19 16.01 LAU 2023 05 03 20 9.64 LAU 2023 05 03 21 10.45 LAU 2023 05 03 22 10.72 LAU 2023 05 03 23 17.11 LAU 2023 05 04 00 20.06 LAU 2023 05 04 01 22.43 LAU 2023 05 04 02 21.93 LAU 2023 05 04 03 20.74 LAU 2023 05 04 04 19.43 LAU 2023 05 04 05 18.96 LAU 2023 05 04 06 16.79 LAU 2023 05 04 07 10.19 LAU 2023 05 04 08 9.79 LAU 2023 05 04 09 11.18 LAU 2023 05 04 10 8.21 LAU 2023 05 04 11 7.76 LAU 2023 05 04 12 7.22 LAU 2023 05 04 13 6.84 LAU 2023 05 04 14 7.07 LAU 2023 05 04 15 7.26 LAU 2023 05 04 16 5.07 LAU 2023 05 04 17 5.87 LAU 2023 05 04 18 5.08 LAU 2023 05 04 19 4.94 LAU 2023 05 04 20 5.35 LAU 2023 05 04 21 6.33 LAU 2023 05 04 22 9.93 LAU 2023 05 04 23 14.94 LAU 2023 05 05 00 16.68 LAU 2023 05 05 01 13.44 LAU 2023 05 05 02 15.53 LAU 2023 05 05 03 13.43 LAU 2023 05 05 04 8.71 LAU 2023 05 05 05 8.49 LAU 2023 05 05 06 5.07 LAU 2023 05 05 07 4.15 LAU 2023 05 05 08 4.21 LAU 2023 05 05 09 2.98 LAU 2023 05 05 10 5.34 LAU 2023 05 05 11 7.70 LAU 2023 05 05 12 6.51 LAU 2023 05 05 13 8.65 LAU 2023 05 05 14 13.71 LAU 2023 05 05 15 13.09 LAU 2023 05 05 16 17.10 LAU 2023 05 05 17 27.19 LAU 2023 05 05 18 28.83 LAU 2023 05 05 19 27.70 LAU 2023 05 05 20 26.32 LAU 2023 05 05 21 25.27 LAU 2023 05 05 22 25.02 LAU 2023 05 05 23 25.97 LAU 2023 05 06 00 25.63 LAU 2023 05 06 01 25.00 LAU 2023 05 06 02 25.49 LAU 2023 05 06 03 25.15 LAU 2023 05 06 04 24.71 LAU 2023 05 06 05 23.91 LAU 2023 05 06 06 25.27 LAU 2023 05 06 07 20.92 LAU 2023 05 06 08 21.27 LAU 2023 05 06 09 17.25 LAU 2023 05 06 10 13.82 LAU 2023 05 06 11 13.60 LAU 2023 05 06 12 10.59 LAU 2023 05 06 13 12.41 LAU 2023 05 06 14 11.30 LAU 2023 05 06 15 9.29 LAU 2023 05 06 16 9.16 LAU 2023 05 06 17 8.93 LAU 2023 05 06 18 9.47 LAU 2023 05 06 19 9.02 LAU 2023 05 06 20 7.63 LAU 2023 05 06 21 6.45 LAU 2023 05 06 22 9.98 LAU 2023 05 06 23 14.20 LAU 2023 05 07 00 18.75 LAU 2023 05 07 01 22.59 LAU 2023 05 07 02 22.88 LAU 2023 05 07 03 22.09 LAU 2023 05 07 04 18.95 LAU 2023 05 07 05 18.96 LAU 2023 05 07 06 16.05 LAU 2023 05 07 07 9.83 LAU 2023 05 07 08 6.99 LAU 2023 05 07 09 6.17 LAU 2023 05 07 10 4.85 LAU 2023 05 07 11 5.31 LAU 2023 05 07 12 5.03 LAU 2023 05 07 13 3.67 LAU 2023 05 07 14 4.28 LAU 2023 05 07 15 5.31 LAU 2023 05 07 16 4.89 LAU 2023 05 07 17 4.47 LAU 2023 05 07 18 3.98 LAU 2023 05 07 19 4.41 LAU 2023 05 07 20 9999.99 LAU 2023 05 07 21 4.23 LAU 2023 05 07 22 8.08 LAU 2023 05 07 23 10.98 LAU 2023 05 08 00 11.29 LAU 2023 05 08 01 7.70 LAU 2023 05 08 02 7.55 LAU 2023 05 08 03 6.46 LAU 2023 05 08 04 8.31 LAU 2023 05 08 05 6.34 LAU 2023 05 08 06 7.29 LAU 2023 05 08 07 6.31 LAU 2023 05 08 08 6.45 LAU 2023 05 08 09 5.16 LAU 2023 05 08 10 5.39 LAU 2023 05 08 11 4.34 LAU 2023 05 08 12 3.39 LAU 2023 05 08 13 3.91 LAU 2023 05 08 14 3.95 LAU 2023 05 08 15 3.58 LAU 2023 05 08 16 3.87 LAU 2023 05 08 17 7.01 LAU 2023 05 08 18 8.61 LAU 2023 05 08 19 17.94 LAU 2023 05 08 20 26.85 LAU 2023 05 08 21 27.62 LAU 2023 05 08 22 28.41 LAU 2023 05 08 23 26.22 LAU 2023 05 09 00 26.25 LAU 2023 05 09 01 26.55 LAU 2023 05 09 02 23.87 LAU 2023 05 09 03 24.23 LAU 2023 05 09 04 21.83 LAU 2023 05 09 05 17.61 LAU 2023 05 09 06 18.45 LAU 2023 05 09 07 16.34 LAU 2023 05 09 08 20.42 LAU 2023 05 09 09 21.38 LAU 2023 05 09 10 21.28 LAU 2023 05 09 11 20.44 LAU 2023 05 09 12 19.85 LAU 2023 05 09 13 19.79 LAU 2023 05 09 14 20.19 LAU 2023 05 09 15 15.98 LAU 2023 05 09 16 16.91 LAU 2023 05 09 17 20.46 LAU 2023 05 09 18 18.16 LAU 2023 05 09 19 14.24 LAU 2023 05 09 20 13.73 LAU 2023 05 09 21 16.25 LAU 2023 05 09 22 20.46 LAU 2023 05 09 23 23.76 LAU 2023 05 10 00 24.19 LAU 2023 05 10 01 25.13 LAU 2023 05 10 02 24.15 LAU 2023 05 10 03 24.27 LAU 2023 05 10 04 23.57 LAU 2023 05 10 05 24.64 LAU 2023 05 10 06 24.35 LAU 2023 05 10 07 23.10 LAU 2023 05 10 08 23.09 LAU 2023 05 10 09 23.05 LAU 2023 05 10 10 23.30 LAU 2023 05 10 11 23.41 LAU 2023 05 10 12 24.03 LAU 2023 05 10 13 23.51 LAU 2023 05 10 14 24.17 LAU 2023 05 10 15 24.36 LAU 2023 05 10 16 23.54 LAU 2023 05 10 17 24.17 LAU 2023 05 10 18 22.67 LAU 2023 05 10 19 21.04 LAU 2023 05 10 20 20.79 LAU 2023 05 10 21 20.88 LAU 2023 05 10 22 23.19 LAU 2023 05 10 23 24.57 LAU 2023 05 11 00 24.99 LAU 2023 05 11 01 25.05 LAU 2023 05 11 02 24.41 LAU 2023 05 11 03 23.18 LAU 2023 05 11 04 19.82 LAU 2023 05 11 05 18.52 LAU 2023 05 11 06 14.95 LAU 2023 05 11 07 15.66 LAU 2023 05 11 08 14.24 LAU 2023 05 11 09 14.55 LAU 2023 05 11 10 17.43 LAU 2023 05 11 11 18.23 LAU 2023 05 11 12 20.85 LAU 2023 05 11 13 20.47 LAU 2023 05 11 14 18.62 LAU 2023 05 11 15 15.27 LAU 2023 05 11 16 13.22 LAU 2023 05 11 17 10.81 LAU 2023 05 11 18 11.00 LAU 2023 05 11 19 11.37 LAU 2023 05 11 20 8.76 LAU 2023 05 11 21 10.45 LAU 2023 05 11 22 12.33 LAU 2023 05 11 23 19.81 LAU 2023 05 12 00 22.42 LAU 2023 05 12 01 22.45 LAU 2023 05 12 02 22.18 LAU 2023 05 12 03 21.83 LAU 2023 05 12 04 19.08 LAU 2023 05 12 05 18.91 LAU 2023 05 12 06 17.69 LAU 2023 05 12 07 9.20 LAU 2023 05 12 08 9.86 LAU 2023 05 12 09 7.81 LAU 2023 05 12 10 8.39 LAU 2023 05 12 11 7.94 LAU 2023 05 12 12 7.63 LAU 2023 05 12 13 7.61 LAU 2023 05 12 14 7.93 LAU 2023 05 12 15 7.13 LAU 2023 05 12 16 7.29 LAU 2023 05 12 17 6.29 LAU 2023 05 12 18 5.49 LAU 2023 05 12 19 4.46 LAU 2023 05 12 20 4.18 LAU 2023 05 12 21 4.84 LAU 2023 05 12 22 6.71 LAU 2023 05 12 23 12.12 LAU 2023 05 13 00 13.54 LAU 2023 05 13 01 14.34 LAU 2023 05 13 02 14.44 LAU 2023 05 13 03 13.73 LAU 2023 05 13 04 13.67 LAU 2023 05 13 05 13.41 LAU 2023 05 13 06 12.65 LAU 2023 05 13 07 11.57 LAU 2023 05 13 08 10.02 LAU 2023 05 13 09 10.02 LAU 2023 05 13 10 10.08 LAU 2023 05 13 11 9.58 LAU 2023 05 13 12 6.85 LAU 2023 05 13 13 6.35 LAU 2023 05 13 14 4.99 LAU 2023 05 13 15 4.98 LAU 2023 05 13 16 4.45 LAU 2023 05 13 17 4.10 LAU 2023 05 13 18 2.66 LAU 2023 05 13 19 3.33 LAU 2023 05 13 20 2.95 LAU 2023 05 13 21 3.68 LAU 2023 05 13 22 6.73 LAU 2023 05 13 23 9.97 LAU 2023 05 14 00 7.08 LAU 2023 05 14 01 10.99 LAU 2023 05 14 02 21.09 LAU 2023 05 14 03 20.32 LAU 2023 05 14 04 18.66 LAU 2023 05 14 05 16.18 LAU 2023 05 14 06 23.21 LAU 2023 05 14 07 19.99 LAU 2023 05 14 08 20.01 LAU 2023 05 14 09 16.42 LAU 2023 05 14 10 16.36 LAU 2023 05 14 11 15.91 LAU 2023 05 14 12 15.73 LAU 2023 05 14 13 13.14 LAU 2023 05 14 14 12.19 LAU 2023 05 14 15 10.55 LAU 2023 05 14 16 9.06 LAU 2023 05 14 17 9.02 LAU 2023 05 14 18 7.85 LAU 2023 05 14 19 7.24 LAU 2023 05 14 20 9999.99 LAU 2023 05 14 21 9999.99 LAU 2023 05 14 22 9999.99