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 STN YEAR MON DAY HR O3(PPB) LAU 2009 12 01 00 21.30 LAU 2009 12 01 01 23.04 LAU 2009 12 01 02 24.01 LAU 2009 12 01 03 23.86 LAU 2009 12 01 04 22.45 LAU 2009 12 01 05 17.81 LAU 2009 12 01 06 17.83 LAU 2009 12 01 07 16.64 LAU 2009 12 01 08 16.28 LAU 2009 12 01 09 16.36 LAU 2009 12 01 10 16.60 LAU 2009 12 01 11 14.69 LAU 2009 12 01 12 14.89 LAU 2009 12 01 13 12.04 LAU 2009 12 01 14 11.32 LAU 2009 12 01 15 12.07 LAU 2009 12 01 16 11.92 LAU 2009 12 01 17 12.08 LAU 2009 12 01 18 12.08 LAU 2009 12 01 19 12.33 LAU 2009 12 01 20 12.29 LAU 2009 12 01 21 13.33 LAU 2009 12 01 22 14.13 LAU 2009 12 01 23 14.86 LAU 2009 12 02 00 15.38 LAU 2009 12 02 01 16.05 LAU 2009 12 02 02 15.66 LAU 2009 12 02 03 15.39 LAU 2009 12 02 04 16.23 LAU 2009 12 02 05 16.15 LAU 2009 12 02 06 15.41 LAU 2009 12 02 07 15.12 LAU 2009 12 02 08 14.93 LAU 2009 12 02 09 14.95 LAU 2009 12 02 10 15.11 LAU 2009 12 02 11 14.81 LAU 2009 12 02 12 15.21 LAU 2009 12 02 13 13.78 LAU 2009 12 02 14 12.42 LAU 2009 12 02 15 13.23 LAU 2009 12 02 16 12.17 LAU 2009 12 02 17 12.60 LAU 2009 12 02 18 14.26 LAU 2009 12 02 19 14.23 LAU 2009 12 02 20 19.35 LAU 2009 12 03 00 21.70 LAU 2009 12 03 01 22.76 LAU 2009 12 03 02 22.45 LAU 2009 12 03 03 22.41 LAU 2009 12 03 04 22.87 LAU 2009 12 03 05 22.91 LAU 2009 12 03 06 21.63 LAU 2009 12 03 07 19.96 LAU 2009 12 03 08 18.66 LAU 2009 12 03 09 15.41 LAU 2009 12 03 10 11.58 LAU 2009 12 03 11 11.74 LAU 2009 12 03 12 9.03 LAU 2009 12 03 13 8.15 LAU 2009 12 03 14 6.72 LAU 2009 12 03 15 7.85 LAU 2009 12 03 16 7.52 LAU 2009 12 03 17 8.19 LAU 2009 12 03 18 9.95 LAU 2009 12 03 19 13.41 LAU 2009 12 03 20 15.75 LAU 2009 12 03 21 18.95 LAU 2009 12 03 22 21.12 LAU 2009 12 03 23 22.48 LAU 2009 12 04 00 23.29 LAU 2009 12 04 01 23.65 LAU 2009 12 04 02 24.27 LAU 2009 12 04 03 24.22 LAU 2009 12 04 04 24.43 LAU 2009 12 04 05 24.86 LAU 2009 12 04 06 24.17 LAU 2009 12 04 07 22.29 LAU 2009 12 04 08 20.72 LAU 2009 12 04 09 19.90 LAU 2009 12 04 10 19.12 LAU 2009 12 04 11 10.37 LAU 2009 12 04 12 9.98 LAU 2009 12 04 13 10.69 LAU 2009 12 04 14 9.36 LAU 2009 12 04 15 6.35 LAU 2009 12 04 16 4.18 LAU 2009 12 04 17 3.15 LAU 2009 12 04 18 7.02 LAU 2009 12 04 19 13.22 LAU 2009 12 04 20 19.05 LAU 2009 12 04 21 21.82 LAU 2009 12 04 22 22.51 LAU 2009 12 04 23 23.18 LAU 2009 12 05 00 23.80 LAU 2009 12 05 01 25.39 LAU 2009 12 05 02 25.71 LAU 2009 12 05 03 25.03 LAU 2009 12 05 04 22.94 LAU 2009 12 05 05 21.46 LAU 2009 12 05 06 20.97 LAU 2009 12 05 07 20.65 LAU 2009 12 05 08 19.95 LAU 2009 12 05 09 21.41 LAU 2009 12 05 10 21.28 LAU 2009 12 05 11 20.31 LAU 2009 12 05 12 19.16 LAU 2009 12 05 13 20.56 LAU 2009 12 05 14 19.42 LAU 2009 12 05 15 20.41 LAU 2009 12 05 16 18.07 LAU 2009 12 05 17 17.56 LAU 2009 12 05 18 16.33 LAU 2009 12 05 19 15.36 LAU 2009 12 05 20 16.79 LAU 2009 12 05 21 19.11 LAU 2009 12 05 22 19.22 LAU 2009 12 05 23 19.00 LAU 2009 12 06 00 18.62 LAU 2009 12 06 01 20.39 LAU 2009 12 06 02 21.80 LAU 2009 12 06 03 21.97 LAU 2009 12 06 04 21.35 LAU 2009 12 06 05 22.31 LAU 2009 12 06 06 21.17 LAU 2009 12 06 07 19.31 LAU 2009 12 06 08 18.09 LAU 2009 12 06 09 17.72 LAU 2009 12 06 10 16.87 LAU 2009 12 06 11 13.06 LAU 2009 12 06 12 10.42 LAU 2009 12 06 13 9.24 LAU 2009 12 06 14 9.48 LAU 2009 12 06 15 7.28 LAU 2009 12 06 16 4.22 LAU 2009 12 06 17 4.72 LAU 2009 12 06 18 8.49 LAU 2009 12 06 19 10.73 LAU 2009 12 06 22 21.06 LAU 2009 12 06 23 22.21 LAU 2009 12 07 00 22.33 LAU 2009 12 07 01 21.70 LAU 2009 12 07 02 21.48 LAU 2009 12 07 03 21.25 LAU 2009 12 07 04 21.13 LAU 2009 12 07 05 21.82 LAU 2009 12 07 06 21.22 LAU 2009 12 07 07 20.88 LAU 2009 12 07 08 20.64 LAU 2009 12 07 09 20.04 LAU 2009 12 07 10 20.29 LAU 2009 12 07 11 20.62 LAU 2009 12 07 12 21.25 LAU 2009 12 07 13 21.45 LAU 2009 12 07 14 20.22 LAU 2009 12 07 15 20.39 LAU 2009 12 07 16 20.58 LAU 2009 12 07 17 20.18 LAU 2009 12 07 18 21.02 LAU 2009 12 07 19 22.90 LAU 2009 12 07 20 22.83 LAU 2009 12 07 21 20.89 LAU 2009 12 07 22 20.98 LAU 2009 12 07 23 21.02 LAU 2009 12 08 00 21.71 LAU 2009 12 08 01 22.85 LAU 2009 12 08 02 23.26 LAU 2009 12 08 03 22.76 LAU 2009 12 08 04 20.34 LAU 2009 12 08 05 19.87 LAU 2009 12 08 06 19.53 LAU 2009 12 08 07 19.19 LAU 2009 12 08 08 16.74 LAU 2009 12 08 09 14.59 LAU 2009 12 08 10 12.55 LAU 2009 12 08 11 11.71 LAU 2009 12 08 12 10.04 LAU 2009 12 08 13 9.65 LAU 2009 12 08 14 9.70 LAU 2009 12 08 15 8.47 LAU 2009 12 08 16 8.29 LAU 2009 12 08 17 10.40 LAU 2009 12 08 18 16.13 LAU 2009 12 08 19 19.92 LAU 2009 12 08 20 22.77 LAU 2009 12 08 21 23.35 LAU 2009 12 08 22 20.39 LAU 2009 12 08 23 20.37 LAU 2009 12 09 00 22.36 LAU 2009 12 09 01 21.05 LAU 2009 12 09 02 23.30 LAU 2009 12 09 03 19.72 LAU 2009 12 09 04 19.18 LAU 2009 12 09 05 18.85 LAU 2009 12 09 06 17.48 LAU 2009 12 09 07 13.87 LAU 2009 12 09 08 11.10 LAU 2009 12 09 09 11.84 LAU 2009 12 09 10 13.86 LAU 2009 12 09 11 14.30 LAU 2009 12 09 12 12.69 LAU 2009 12 09 13 12.61 LAU 2009 12 09 14 12.18 LAU 2009 12 09 15 12.61 LAU 2009 12 09 16 13.30 LAU 2009 12 09 17 13.18 LAU 2009 12 09 18 13.71 LAU 2009 12 09 19 14.05 LAU 2009 12 09 20 14.36 LAU 2009 12 09 21 15.33 LAU 2009 12 09 22 17.43 LAU 2009 12 09 23 19.52 LAU 2009 12 10 00 22.24 LAU 2009 12 10 01 24.00 LAU 2009 12 10 02 25.92 LAU 2009 12 10 03 26.39 LAU 2009 12 10 04 26.32 LAU 2009 12 10 05 22.97 LAU 2009 12 10 06 21.38 LAU 2009 12 10 07 18.50 LAU 2009 12 10 08 17.11 LAU 2009 12 10 09 13.15 LAU 2009 12 10 10 10.86 LAU 2009 12 10 11 7.53 LAU 2009 12 10 12 7.69 LAU 2009 12 10 13 5.47 LAU 2009 12 10 14 4.16 LAU 2009 12 10 15 2.09 LAU 2009 12 10 16 2.67 LAU 2009 12 10 17 2.65 LAU 2009 12 10 18 3.73 LAU 2009 12 10 19 9.50 LAU 2009 12 10 20 16.63 LAU 2009 12 10 21 20.13 LAU 2009 12 10 22 22.68 LAU 2009 12 10 23 24.75 LAU 2009 12 11 00 25.67 LAU 2009 12 11 01 26.09 LAU 2009 12 11 02 21.08 LAU 2009 12 11 03 27.66 LAU 2009 12 11 04 29.13 LAU 2009 12 11 05 29.35 LAU 2009 12 11 06 28.45 LAU 2009 12 11 07 25.57 LAU 2009 12 11 08 25.43 LAU 2009 12 11 09 25.46 LAU 2009 12 11 10 27.83 LAU 2009 12 11 11 24.65 LAU 2009 12 11 12 25.55 LAU 2009 12 11 13 27.72 LAU 2009 12 11 14 30.49 LAU 2009 12 11 15 30.83 LAU 2009 12 11 16 28.67 LAU 2009 12 11 17 28.23 LAU 2009 12 11 18 30.03 LAU 2009 12 11 19 28.58 LAU 2009 12 11 20 25.55 LAU 2009 12 11 21 23.04 LAU 2009 12 11 22 21.80 LAU 2009 12 11 23 19.60 LAU 2009 12 12 00 20.32 LAU 2009 12 12 01 21.01 LAU 2009 12 12 02 22.85 LAU 2009 12 12 03 23.16 LAU 2009 12 12 04 22.33 LAU 2009 12 12 05 20.90 LAU 2009 12 12 06 21.94 LAU 2009 12 12 07 22.68 LAU 2009 12 12 08 21.74 LAU 2009 12 12 09 21.19 LAU 2009 12 12 10 20.28 LAU 2009 12 12 11 20.55 LAU 2009 12 12 12 18.42 LAU 2009 12 12 13 17.88 LAU 2009 12 12 14 18.54 LAU 2009 12 12 15 19.22 LAU 2009 12 12 16 15.62 LAU 2009 12 12 17 16.09 LAU 2009 12 12 18 18.02 LAU 2009 12 12 19 19.23 LAU 2009 12 12 20 19.91 LAU 2009 12 12 21 20.90 LAU 2009 12 12 22 20.60 LAU 2009 12 12 23 20.66 LAU 2009 12 13 00 20.54 LAU 2009 12 13 01 20.98 LAU 2009 12 13 02 20.78 LAU 2009 12 13 03 20.31 LAU 2009 12 13 04 19.93 LAU 2009 12 13 05 20.74 LAU 2009 12 13 06 21.22 LAU 2009 12 13 07 20.75 LAU 2009 12 13 08 20.01 LAU 2009 12 13 09 19.21 LAU 2009 12 13 10 18.99 LAU 2009 12 13 11 18.87 LAU 2009 12 13 12 18.65 LAU 2009 12 13 13 17.72 LAU 2009 12 13 14 16.69 LAU 2009 12 13 15 17.28 LAU 2009 12 13 16 15.56 LAU 2009 12 13 17 10.07 LAU 2009 12 13 18 11.82 LAU 2009 12 13 19 12.56 LAU 2009 12 13 22 16.68 LAU 2009 12 13 23 17.90 LAU 2009 12 14 00 18.29 LAU 2009 12 14 01 18.86 LAU 2009 12 14 02 18.63 LAU 2009 12 14 03 18.33 LAU 2009 12 14 04 17.17 LAU 2009 12 14 05 16.91 LAU 2009 12 14 06 16.70 LAU 2009 12 14 07 15.40 LAU 2009 12 14 08 15.57 LAU 2009 12 14 09 15.41 LAU 2009 12 14 10 16.38 LAU 2009 12 14 11 16.25 LAU 2009 12 14 12 15.37 LAU 2009 12 14 13 13.33 LAU 2009 12 14 14 8.86 LAU 2009 12 14 15 8.74 LAU 2009 12 14 16 7.47 LAU 2009 12 14 17 10.31 LAU 2009 12 14 18 10.80 LAU 2009 12 14 19 13.52 LAU 2009 12 14 20 16.14 LAU 2009 12 14 21 17.54 LAU 2009 12 14 22 18.03 LAU 2009 12 14 23 17.46 LAU 2009 12 15 00 17.18 LAU 2009 12 15 01 17.36 LAU 2009 12 15 02 17.66 LAU 2009 12 15 03 17.11 LAU 2009 12 15 04 16.66 LAU 2009 12 15 05 16.03 LAU 2009 12 15 06 14.61 LAU 2009 12 15 07 13.76 LAU 2009 12 15 08 10.82 LAU 2009 12 15 09 7.04 LAU 2009 12 15 10 9.19 LAU 2009 12 15 11 8.09 LAU 2009 12 15 12 7.64 LAU 2009 12 15 13 6.40 LAU 2009 12 15 14 9.35 LAU 2009 12 15 15 8.07 LAU 2009 12 15 16 13.58 LAU 2009 12 15 17 13.96 LAU 2009 12 15 18 15.15 LAU 2009 12 15 19 14.77 LAU 2009 12 15 20 14.75 LAU 2009 12 15 21 15.94 LAU 2009 12 15 22 16.92 LAU 2009 12 15 23 18.23 LAU 2009 12 16 00 17.76 LAU 2009 12 16 01 17.05 LAU 2009 12 16 02 17.22 LAU 2009 12 16 03 17.15 LAU 2009 12 16 04 16.87 LAU 2009 12 16 05 16.52 LAU 2009 12 16 06 16.03 LAU 2009 12 16 07 14.93 LAU 2009 12 16 08 13.32 LAU 2009 12 16 09 12.48 LAU 2009 12 16 10 8.49 LAU 2009 12 16 11 7.49 LAU 2009 12 16 12 8.25 LAU 2009 12 16 13 6.05 LAU 2009 12 16 14 3.14 LAU 2009 12 16 15 3.26 LAU 2009 12 16 16 3.40 LAU 2009 12 16 17 2.71 LAU 2009 12 16 18 5.24 LAU 2009 12 16 19 8.07 LAU 2009 12 16 20 12.10 LAU 2009 12 16 21 17.14 LAU 2009 12 16 22 18.71 LAU 2009 12 16 23 20.33 LAU 2009 12 17 00 21.49 LAU 2009 12 17 01 21.50 LAU 2009 12 17 02 21.57 LAU 2009 12 17 03 21.83 LAU 2009 12 17 04 21.68 LAU 2009 12 17 05 21.63 LAU 2009 12 17 06 21.69 LAU 2009 12 17 07 21.96 LAU 2009 12 17 08 22.51 LAU 2009 12 17 09 22.50 LAU 2009 12 17 10 22.48 LAU 2009 12 17 11 23.22 LAU 2009 12 17 12 23.93 LAU 2009 12 17 13 24.75 LAU 2009 12 17 14 25.01 LAU 2009 12 17 15 24.68 LAU 2009 12 17 16 25.85 LAU 2009 12 17 17 25.76 LAU 2009 12 17 18 24.81 LAU 2009 12 17 19 25.09 LAU 2009 12 17 20 23.80 LAU 2009 12 17 21 22.61 LAU 2009 12 17 22 22.29 LAU 2009 12 17 23 21.96 LAU 2009 12 18 00 21.36 LAU 2009 12 18 01 22.13 LAU 2009 12 18 02 22.86 LAU 2009 12 18 03 21.92 LAU 2009 12 18 04 20.35 LAU 2009 12 18 05 18.17 LAU 2009 12 18 06 17.61 LAU 2009 12 18 07 17.92 LAU 2009 12 18 08 19.53 LAU 2009 12 18 09 18.27 LAU 2009 12 18 10 17.71 LAU 2009 12 18 11 17.95 LAU 2009 12 18 12 17.10 LAU 2009 12 18 13 16.17 LAU 2009 12 18 14 15.96 LAU 2009 12 18 15 15.66 LAU 2009 12 18 16 15.45 LAU 2009 12 18 17 14.93 LAU 2009 12 18 18 15.44 LAU 2009 12 18 19 16.73 LAU 2009 12 18 20 17.37 LAU 2009 12 18 21 18.71 LAU 2009 12 18 22 20.66 LAU 2009 12 18 23 22.14 LAU 2009 12 19 00 23.21 LAU 2009 12 19 01 27.17 LAU 2009 12 19 02 31.23 LAU 2009 12 19 03 34.76 LAU 2009 12 19 04 35.32 LAU 2009 12 19 05 34.76 LAU 2009 12 19 06 31.01 LAU 2009 12 19 07 25.37 LAU 2009 12 19 08 28.28 LAU 2009 12 19 09 27.33 LAU 2009 12 19 10 25.48 LAU 2009 12 19 11 22.92 LAU 2009 12 19 12 20.00 LAU 2009 12 19 13 19.04 LAU 2009 12 19 14 19.13 LAU 2009 12 19 15 18.48 LAU 2009 12 19 16 16.94 LAU 2009 12 19 17 17.90 LAU 2009 12 19 18 16.78 LAU 2009 12 19 19 15.91 LAU 2009 12 19 20 14.42 LAU 2009 12 19 21 14.68 LAU 2009 12 19 22 15.26 LAU 2009 12 19 23 15.71 LAU 2009 12 20 00 16.55 LAU 2009 12 20 01 16.71 LAU 2009 12 20 02 17.31 LAU 2009 12 20 03 17.03 LAU 2009 12 20 04 16.23 LAU 2009 12 20 05 16.54 LAU 2009 12 20 06 16.76 LAU 2009 12 20 07 16.45 LAU 2009 12 20 08 15.82 LAU 2009 12 20 09 15.75 LAU 2009 12 20 10 15.87 LAU 2009 12 20 11 15.26 LAU 2009 12 20 12 15.20 LAU 2009 12 20 13 14.16 LAU 2009 12 20 14 10.70 LAU 2009 12 20 15 10.55 LAU 2009 12 20 16 10.11 LAU 2009 12 20 17 9.34 LAU 2009 12 20 18 10.13 LAU 2009 12 20 19 14.09 LAU 2009 12 20 23 17.49 LAU 2009 12 21 00 17.77 LAU 2009 12 21 01 18.08 LAU 2009 12 21 02 18.62 LAU 2009 12 21 03 18.92 LAU 2009 12 21 04 19.83 LAU 2009 12 21 05 19.64 LAU 2009 12 21 06 18.00 LAU 2009 12 21 07 17.12 LAU 2009 12 21 08 15.84 LAU 2009 12 21 09 15.08 LAU 2009 12 21 10 11.96 LAU 2009 12 21 11 11.94 LAU 2009 12 21 12 10.51 LAU 2009 12 21 13 7.13 LAU 2009 12 21 14 4.63 LAU 2009 12 21 15 5.74 LAU 2009 12 21 16 4.55 LAU 2009 12 21 17 4.42 LAU 2009 12 21 18 6.58 LAU 2009 12 21 19 11.88 LAU 2009 12 21 20 15.20 LAU 2009 12 21 21 16.92 LAU 2009 12 21 22 17.77 LAU 2009 12 21 23 18.77 LAU 2009 12 22 00 19.79 LAU 2009 12 22 01 20.99 LAU 2009 12 22 02 22.38 LAU 2009 12 22 03 23.26 LAU 2009 12 22 04 23.72 LAU 2009 12 22 05 22.52 LAU 2009 12 22 06 22.12 LAU 2009 12 22 07 21.50 LAU 2009 12 22 08 19.93 LAU 2009 12 22 09 16.67 LAU 2009 12 22 10 14.71 LAU 2009 12 22 11 13.83 LAU 2009 12 22 12 14.85 LAU 2009 12 22 13 14.25 LAU 2009 12 22 14 12.86 LAU 2009 12 22 15 10.65 LAU 2009 12 22 16 9.58 LAU 2009 12 22 17 8.78 LAU 2009 12 22 18 12.05 LAU 2009 12 22 19 14.94 LAU 2009 12 22 20 18.00 LAU 2009 12 22 21 19.60 LAU 2009 12 22 22 20.66 LAU 2009 12 22 23 21.62 LAU 2009 12 23 00 23.04 LAU 2009 12 23 01 23.10 LAU 2009 12 23 02 22.29 LAU 2009 12 23 03 21.54 LAU 2009 12 23 04 21.04 LAU 2009 12 23 05 20.29 LAU 2009 12 23 06 18.77 LAU 2009 12 23 07 15.32 LAU 2009 12 23 08 15.03 LAU 2009 12 23 09 12.55 LAU 2009 12 23 10 15.34 LAU 2009 12 23 11 14.91 LAU 2009 12 23 12 13.38 LAU 2009 12 23 13 14.26 LAU 2009 12 23 14 13.51 LAU 2009 12 23 15 10.01 LAU 2009 12 23 16 14.29 LAU 2009 12 23 17 9.57 LAU 2009 12 23 18 8.30 LAU 2009 12 23 19 10.19