e data are made available to the scientific community and public with the un derstanding that authors of publications and presentations will contact the PI t o obtain up-to-date information on the latest version of the data during the early stages of their analysis. Manuscripts that employ these data sh ould 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 be tween NOAA-GML and NIWA (New Zealand's 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 fr om NOAA-GML and WDCGG. However, there still exists the potential for these data Boulder, CO. 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18.37 LAU 2021 03 02 15 17.32 LAU 2021 03 02 16 16.01 LAU 2021 03 02 17 17.16 LAU 2021 03 02 18 17.71 LAU 2021 03 02 19 20.93 LAU 2021 03 02 20 22.08 LAU 2021 03 02 21 22.05 LAU 2021 03 02 22 26.19 LAU 2021 03 02 23 25.29 LAU 2021 03 03 00 20.63 LAU 2021 03 03 01 18.83 LAU 2021 03 03 02 19.91 LAU 2021 03 03 03 21.12 LAU 2021 03 03 04 20.96 LAU 2021 03 03 05 19.49 LAU 2021 03 03 06 19.15 LAU 2021 03 03 07 19.10 LAU 2021 03 03 08 19.26 LAU 2021 03 03 09 18.48 LAU 2021 03 03 10 18.09 LAU 2021 03 03 11 17.49 LAU 2021 03 03 12 15.84 LAU 2021 03 03 13 15.64 LAU 2021 03 03 14 14.75 LAU 2021 03 03 15 13.88 LAU 2021 03 03 16 13.62 LAU 2021 03 03 17 12.46 LAU 2021 03 03 18 12.87 LAU 2021 03 03 19 13.23 LAU 2021 03 03 20 14.91 LAU 2021 03 03 21 15.38 LAU 2021 03 03 22 16.05 LAU 2021 03 03 23 17.12 LAU 2021 03 04 00 18.30 LAU 2021 03 04 01 19.06 LAU 2021 03 04 02 19.46 LAU 2021 03 04 03 19.74 LAU 2021 03 04 04 19.73 LAU 2021 03 04 05 19.14 LAU 2021 03 04 06 17.97 LAU 2021 03 04 07 17.73 LAU 2021 03 04 08 18.54 LAU 2021 03 04 09 18.19 LAU 2021 03 04 10 18.01 LAU 2021 03 04 11 16.95 LAU 2021 03 04 12 16.18 LAU 2021 03 04 13 15.88 LAU 2021 03 04 14 16.81 LAU 2021 03 04 15 16.53 LAU 2021 03 04 16 16.48 LAU 2021 03 04 17 16.58 LAU 2021 03 04 18 16.25 LAU 2021 03 04 19 15.72 LAU 2021 03 04 20 16.90 LAU 2021 03 04 21 16.36 LAU 2021 03 04 22 15.45 LAU 2021 03 04 23 15.09 LAU 2021 03 05 00 15.90 LAU 2021 03 05 01 13.85 LAU 2021 03 05 02 12.47 LAU 2021 03 05 03 14.30 LAU 2021 03 05 04 13.45 LAU 2021 03 05 05 15.49 LAU 2021 03 05 06 14.14 LAU 2021 03 05 07 13.52 LAU 2021 03 05 08 12.80 LAU 2021 03 05 09 11.63 LAU 2021 03 05 10 12.31 LAU 2021 03 05 11 13.37 LAU 2021 03 05 12 13.99 LAU 2021 03 05 13 14.25 LAU 2021 03 05 14 14.76 LAU 2021 03 05 15 14.93 LAU 2021 03 05 16 16.07 LAU 2021 03 05 17 15.47 LAU 2021 03 05 18 13.27 LAU 2021 03 05 19 11.49 LAU 2021 03 05 20 15.30 LAU 2021 03 05 21 18.13 LAU 2021 03 05 22 18.83 LAU 2021 03 05 23 19.13 LAU 2021 03 06 00 19.38 LAU 2021 03 06 01 19.10 LAU 2021 03 06 02 18.30 LAU 2021 03 06 03 18.56 LAU 2021 03 06 04 18.37 LAU 2021 03 06 05 18.85 LAU 2021 03 06 06 17.27 LAU 2021 03 06 07 15.21 LAU 2021 03 06 08 15.34 LAU 2021 03 06 09 13.97 LAU 2021 03 06 10 15.10 LAU 2021 03 06 11 15.32 LAU 2021 03 06 12 16.16 LAU 2021 03 06 13 15.53 LAU 2021 03 06 14 10.57 LAU 2021 03 06 15 9.15 LAU 2021 03 06 16 7.84 LAU 2021 03 06 17 5.27 LAU 2021 03 06 18 4.77 LAU 2021 03 06 19 5.54 LAU 2021 03 06 20 8.31 LAU 2021 03 06 21 13.02 LAU 2021 03 06 22 14.95 LAU 2021 03 06 23 16.52 LAU 2021 03 07 00 15.76 LAU 2021 03 07 01 14.65 LAU 2021 03 07 02 14.72 LAU 2021 03 07 03 15.54 LAU 2021 03 07 04 15.47 LAU 2021 03 07 05 14.29 LAU 2021 03 07 06 14.02 LAU 2021 03 07 07 13.29 LAU 2021 03 07 08 12.29 LAU 2021 03 07 09 10.80 LAU 2021 03 07 10 9.59 LAU 2021 03 07 11 9.11 LAU 2021 03 07 12 6.82 LAU 2021 03 07 13 6.46 LAU 2021 03 07 14 5.37 LAU 2021 03 07 15 5.35 LAU 2021 03 07 16 4.55 LAU 2021 03 07 17 4.67 LAU 2021 03 07 18 4.63 LAU 2021 03 07 19 4.40 LAU 2021 03 07 20 6.36 LAU 2021 03 07 21 9999.99 LAU 2021 03 07 22 14.35 LAU 2021 03 07 23 15.02 LAU 2021 03 08 00 15.95 LAU 2021 03 08 01 16.94 LAU 2021 03 08 02 18.07 LAU 2021 03 08 03 18.61 LAU 2021 03 08 04 18.59 LAU 2021 03 08 05 18.07 LAU 2021 03 08 06 15.96 LAU 2021 03 08 07 13.88 LAU 2021 03 08 08 8.59 LAU 2021 03 08 09 7.10 LAU 2021 03 08 10 6.78 LAU 2021 03 08 11 6.12 LAU 2021 03 08 12 5.95 LAU 2021 03 08 13 6.58 LAU 2021 03 08 14 6.81 LAU 2021 03 08 15 5.34 LAU 2021 03 08 16 5.54 LAU 2021 03 08 17 3.58 LAU 2021 03 08 18 3.72 LAU 2021 03 08 19 5.23 LAU 2021 03 08 20 7.01 LAU 2021 03 08 21 10.92 LAU 2021 03 08 22 13.61 LAU 2021 03 08 23 15.30 LAU 2021 03 09 00 16.47 LAU 2021 03 09 01 16.79 LAU 2021 03 09 02 16.05 LAU 2021 03 09 03 15.05 LAU 2021 03 09 04 14.84 LAU 2021 03 09 05 14.99 LAU 2021 03 09 06 15.04 LAU 2021 03 09 07 14.95 LAU 2021 03 09 08 15.79 LAU 2021 03 09 09 15.91 LAU 2021 03 09 10 14.71 LAU 2021 03 09 11 15.67 LAU 2021 03 09 12 16.39 LAU 2021 03 09 13 16.51 LAU 2021 03 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03 11 08 12.10 LAU 2021 03 11 09 11.73 LAU 2021 03 11 10 10.40 LAU 2021 03 11 11 9.48 LAU 2021 03 11 12 10.23 LAU 2021 03 11 13 9.63 LAU 2021 03 11 14 11.33 LAU 2021 03 11 15 10.97 LAU 2021 03 11 16 10.34 LAU 2021 03 11 17 8.88 LAU 2021 03 11 18 7.14 LAU 2021 03 11 19 7.95 LAU 2021 03 11 20 10.31 LAU 2021 03 11 21 11.29 LAU 2021 03 11 22 12.88 LAU 2021 03 11 23 15.46 LAU 2021 03 12 00 17.77 LAU 2021 03 12 01 18.70 LAU 2021 03 12 02 19.35 LAU 2021 03 12 03 19.63 LAU 2021 03 12 04 19.71 LAU 2021 03 12 05 19.56 LAU 2021 03 12 06 16.62 LAU 2021 03 12 07 12.32 LAU 2021 03 12 08 11.14 LAU 2021 03 12 09 9.47 LAU 2021 03 12 10 7.24 LAU 2021 03 12 11 4.01 LAU 2021 03 12 12 4.22 LAU 2021 03 12 13 4.31 LAU 2021 03 12 14 3.56 LAU 2021 03 12 15 3.97 LAU 2021 03 12 16 3.36 LAU 2021 03 12 17 3.67 LAU 2021 03 12 18 2.96 LAU 2021 03 12 19 3.14 LAU 2021 03 12 20 5.48 LAU 2021 03 12 21 9.90 LAU 2021 03 12 22 13.04 LAU 2021 03 12 23 15.63 LAU 2021 03 13 00 17.89 LAU 2021 03 13 01 18.39 LAU 2021 03 13 02 18.83 LAU 2021 03 13 03 19.80 LAU 2021 03 13 04 17.72 LAU 2021 03 13 05 17.17 LAU 2021 03 13 06 16.39 LAU 2021 03 13 07 17.17 LAU 2021 03 13 08 17.52 LAU 2021 03 13 09 18.01 LAU 2021 03 13 10 17.47 LAU 2021 03 13 11 16.87 LAU 2021 03 13 12 16.50 LAU 2021 03 13 13 17.36 LAU 2021 03 13 14 13.25 LAU 2021 03 13 15 14.37 LAU 2021 03 13 16 11.78 LAU 2021 03 13 17 15.10 LAU 2021 03 13 18 17.48 LAU 2021 03 13 19 17.30 LAU 2021 03 13 20 18.82 LAU 2021 03 13 21 19.12 LAU 2021 03 13 22 18.92 LAU 2021 03 13 23 19.15 LAU 2021 03 14 00 19.33 LAU 2021 03 14 01 19.86 LAU 2021 03 14 02 19.95 LAU 2021 03 14 03 20.00 LAU 2021 03 14 04 19.86 LAU 2021 03 14 05 20.24 LAU 2021 03 14 06 20.34 LAU 2021 03 14 07 19.90 LAU 2021 03 14 08 19.00 LAU 2021 03 14 09 19.59 LAU 2021 03 14 10 20.34 LAU 2021 03 14 11 20.34 LAU 2021 03 14 12 19.83 LAU 2021 03 14 13 19.55 LAU 2021 03 14 14 19.80 LAU 2021 03 14 15 18.67 LAU 2021 03 14 16 18.47 LAU 2021 03 14 17 18.36 LAU 2021 03 14 18 19.44 LAU 2021 03 14 19 20.51 LAU 2021 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