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 2010 04 01 00 19.88 LAU 2010 04 01 01 20.13 LAU 2010 04 01 02 20.10 LAU 2010 04 01 03 18.60 LAU 2010 04 01 04 17.83 LAU 2010 04 01 05 17.33 LAU 2010 04 01 06 18.31 LAU 2010 04 01 07 17.99 LAU 2010 04 01 08 17.96 LAU 2010 04 01 09 18.20 LAU 2010 04 01 10 19.17 LAU 2010 04 01 11 19.21 LAU 2010 04 01 12 19.39 LAU 2010 04 01 13 20.05 LAU 2010 04 01 14 20.36 LAU 2010 04 01 15 21.01 LAU 2010 04 01 16 21.65 LAU 2010 04 01 17 21.91 LAU 2010 04 01 18 22.26 LAU 2010 04 01 19 20.70 LAU 2010 04 01 20 21.81 LAU 2010 04 01 21 22.03 LAU 2010 04 01 22 22.55 LAU 2010 04 01 23 22.34 LAU 2010 04 02 00 22.32 LAU 2010 04 02 01 21.74 LAU 2010 04 02 02 21.12 LAU 2010 04 02 03 20.80 LAU 2010 04 02 04 19.91 LAU 2010 04 02 05 18.87 LAU 2010 04 02 06 19.76 LAU 2010 04 02 07 20.29 LAU 2010 04 02 08 21.15 LAU 2010 04 02 09 22.10 LAU 2010 04 02 10 22.00 LAU 2010 04 02 11 21.40 LAU 2010 04 02 12 21.04 LAU 2010 04 02 13 21.33 LAU 2010 04 02 14 21.64 LAU 2010 04 02 15 21.86 LAU 2010 04 02 16 21.24 LAU 2010 04 02 17 21.17 LAU 2010 04 02 18 21.28 LAU 2010 04 02 19 20.89 LAU 2010 04 02 20 20.06 LAU 2010 04 02 21 21.22 LAU 2010 04 02 22 22.05 LAU 2010 04 02 23 22.48 LAU 2010 04 03 00 22.28 LAU 2010 04 03 01 21.87 LAU 2010 04 03 02 21.75 LAU 2010 04 03 03 21.05 LAU 2010 04 03 04 24.73 LAU 2010 04 03 05 22.82 LAU 2010 04 03 06 21.81 LAU 2010 04 03 07 21.72 LAU 2010 04 03 08 22.16 LAU 2010 04 03 09 21.16 LAU 2010 04 03 10 22.08 LAU 2010 04 03 11 19.49 LAU 2010 04 03 12 17.42 LAU 2010 04 03 13 17.31 LAU 2010 04 03 14 14.11 LAU 2010 04 03 15 14.40 LAU 2010 04 03 16 16.68 LAU 2010 04 03 17 15.40 LAU 2010 04 03 18 14.24 LAU 2010 04 03 19 15.51 LAU 2010 04 03 20 17.06 LAU 2010 04 03 21 16.71 LAU 2010 04 03 22 17.61 LAU 2010 04 03 23 18.91 LAU 2010 04 04 00 19.60 LAU 2010 04 04 01 20.08 LAU 2010 04 04 02 20.99 LAU 2010 04 04 03 21.67 LAU 2010 04 04 04 21.78 LAU 2010 04 04 05 21.25 LAU 2010 04 04 06 15.85 LAU 2010 04 04 07 13.79 LAU 2010 04 04 08 12.43 LAU 2010 04 04 09 11.50 LAU 2010 04 04 10 11.73 LAU 2010 04 04 11 6.53 LAU 2010 04 04 12 3.61 LAU 2010 04 04 13 3.85 LAU 2010 04 04 14 4.29 LAU 2010 04 04 15 3.35 LAU 2010 04 04 16 3.74 LAU 2010 04 04 17 2.55 LAU 2010 04 04 18 3.63 LAU 2010 04 04 19 3.37 LAU 2010 04 04 20 4.01 LAU 2010 04 04 21 3.81 LAU 2010 04 04 22 9.72 LAU 2010 04 04 23 14.85 LAU 2010 04 05 00 16.86 LAU 2010 04 05 01 18.62 LAU 2010 04 05 02 18.83 LAU 2010 04 05 03 20.81 LAU 2010 04 05 04 21.07 LAU 2010 04 05 05 19.11 LAU 2010 04 05 06 13.13 LAU 2010 04 05 07 11.44 LAU 2010 04 05 08 11.46 LAU 2010 04 05 09 12.30 LAU 2010 04 05 10 10.89 LAU 2010 04 05 11 11.30 LAU 2010 04 05 12 10.87 LAU 2010 04 05 13 9.97 LAU 2010 04 05 14 10.59 LAU 2010 04 05 15 10.83 LAU 2010 04 05 16 14.93 LAU 2010 04 05 17 17.83 LAU 2010 04 05 18 16.79 LAU 2010 04 05 19 12.12 LAU 2010 04 05 20 16.19 LAU 2010 04 06 00 21.42 LAU 2010 04 06 01 21.78 LAU 2010 04 06 02 22.63 LAU 2010 04 06 03 23.34 LAU 2010 04 06 04 22.73 LAU 2010 04 06 05 21.48 LAU 2010 04 06 06 21.10 LAU 2010 04 06 07 20.59 LAU 2010 04 06 08 20.23 LAU 2010 04 06 09 15.55 LAU 2010 04 06 10 13.54 LAU 2010 04 06 11 12.23 LAU 2010 04 06 12 10.29 LAU 2010 04 06 13 9.06 LAU 2010 04 06 14 7.60 LAU 2010 04 06 15 5.58 LAU 2010 04 06 16 3.39 LAU 2010 04 06 17 4.49 LAU 2010 04 06 18 3.84 LAU 2010 04 06 19 7.70 LAU 2010 04 06 20 8.19 LAU 2010 04 06 21 11.60 LAU 2010 04 06 22 14.31 LAU 2010 04 06 23 18.40 LAU 2010 04 07 00 21.11 LAU 2010 04 07 01 20.95 LAU 2010 04 07 02 21.75 LAU 2010 04 07 03 22.58 LAU 2010 04 07 04 22.74 LAU 2010 04 07 05 21.97 LAU 2010 04 07 06 19.66 LAU 2010 04 07 07 13.52 LAU 2010 04 07 08 11.48 LAU 2010 04 07 09 8.46 LAU 2010 04 07 10 4.24 LAU 2010 04 07 11 2.76 LAU 2010 04 07 12 3.22 LAU 2010 04 07 13 5.18 LAU 2010 04 07 14 4.90 LAU 2010 04 07 15 4.54 LAU 2010 04 07 16 3.64 LAU 2010 04 07 17 4.33 LAU 2010 04 07 18 6.10 LAU 2010 04 07 19 5.06 LAU 2010 04 07 20 4.49 LAU 2010 04 07 21 8.86 LAU 2010 04 07 22 13.37 LAU 2010 04 07 23 16.86 LAU 2010 04 08 00 18.32 LAU 2010 04 08 01 18.93 LAU 2010 04 08 02 19.95 LAU 2010 04 08 03 20.35 LAU 2010 04 08 04 20.61 LAU 2010 04 08 05 17.86 LAU 2010 04 08 06 17.34 LAU 2010 04 08 07 10.52 LAU 2010 04 08 08 4.85 LAU 2010 04 08 09 5.53 LAU 2010 04 08 10 5.67 LAU 2010 04 08 11 5.74 LAU 2010 04 08 12 5.86 LAU 2010 04 08 13 4.84 LAU 2010 04 08 14 6.14 LAU 2010 04 08 15 6.86 LAU 2010 04 08 16 7.01 LAU 2010 04 08 17 6.43 LAU 2010 04 08 18 5.55 LAU 2010 04 08 19 4.99 LAU 2010 04 08 20 6.64 LAU 2010 04 08 21 8.18 LAU 2010 04 08 22 14.09 LAU 2010 04 08 23 14.55 LAU 2010 04 09 00 18.01 LAU 2010 04 09 01 21.42 LAU 2010 04 09 02 20.85 LAU 2010 04 09 03 22.25 LAU 2010 04 09 04 22.76 LAU 2010 04 09 05 20.48 LAU 2010 04 09 06 18.74 LAU 2010 04 09 07 10.49 LAU 2010 04 09 08 10.24 LAU 2010 04 09 09 8.88 LAU 2010 04 09 10 8.05 LAU 2010 04 09 11 7.00 LAU 2010 04 09 12 7.78 LAU 2010 04 09 13 6.89 LAU 2010 04 09 14 7.24 LAU 2010 04 09 15 5.53 LAU 2010 04 09 16 5.73 LAU 2010 04 09 17 6.46 LAU 2010 04 09 18 5.42 LAU 2010 04 09 19 4.60 LAU 2010 04 09 20 6.02 LAU 2010 04 09 21 11.97 LAU 2010 04 09 22 14.72 LAU 2010 04 09 23 17.85 LAU 2010 04 10 00 20.22 LAU 2010 04 10 01 21.32 LAU 2010 04 10 02 22.06 LAU 2010 04 10 03 22.38 LAU 2010 04 10 04 21.38 LAU 2010 04 10 05 18.18 LAU 2010 04 10 06 16.24 LAU 2010 04 10 07 10.33 LAU 2010 04 10 08 7.86 LAU 2010 04 10 09 6.77 LAU 2010 04 10 10 8.48 LAU 2010 04 10 11 9.52 LAU 2010 04 10 12 8.80 LAU 2010 04 10 13 10.04 LAU 2010 04 10 14 10.61 LAU 2010 04 10 15 9.45 LAU 2010 04 10 16 9.54 LAU 2010 04 10 17 7.76 LAU 2010 04 10 18 7.49 LAU 2010 04 10 19 8.10 LAU 2010 04 10 20 9.63 LAU 2010 04 10 21 13.21 LAU 2010 04 10 22 21.40 LAU 2010 04 10 23 24.28 LAU 2010 04 11 00 24.73 LAU 2010 04 11 01 25.01 LAU 2010 04 11 02 24.72 LAU 2010 04 11 03 26.14 LAU 2010 04 11 04 26.11 LAU 2010 04 11 05 24.03 LAU 2010 04 11 06 22.65 LAU 2010 04 11 07 22.58 LAU 2010 04 11 08 22.59 LAU 2010 04 11 09 21.53 LAU 2010 04 11 10 21.06 LAU 2010 04 11 11 20.49 LAU 2010 04 11 12 19.85 LAU 2010 04 11 13 20.81 LAU 2010 04 11 14 20.61 LAU 2010 04 11 15 20.24 LAU 2010 04 11 16 21.14 LAU 2010 04 11 17 20.97 LAU 2010 04 11 18 21.36 LAU 2010 04 11 19 20.78 LAU 2010 04 11 22 17.45 LAU 2010 04 11 23 15.64 LAU 2010 04 12 00 17.91 LAU 2010 04 12 01 15.53 LAU 2010 04 12 02 14.40 LAU 2010 04 12 03 15.68 LAU 2010 04 12 04 13.14 LAU 2010 04 12 05 12.57 LAU 2010 04 12 06 12.01 LAU 2010 04 12 07 12.96 LAU 2010 04 12 08 9.94 LAU 2010 04 12 09 10.13 LAU 2010 04 12 10 8.80 LAU 2010 04 12 11 10.08 LAU 2010 04 12 12 11.42 LAU 2010 04 12 13 13.12 LAU 2010 04 12 14 17.37 LAU 2010 04 12 15 18.11 LAU 2010 04 12 16 19.82 LAU 2010 04 12 17 18.53 LAU 2010 04 12 18 16.43 LAU 2010 04 12 19 14.24 LAU 2010 04 12 20 13.73 LAU 2010 04 12 21 12.88 LAU 2010 04 12 22 12.77 LAU 2010 04 12 23 14.36 LAU 2010 04 13 00 17.61 LAU 2010 04 13 01 20.23 LAU 2010 04 13 02 20.38 LAU 2010 04 13 03 17.11 LAU 2010 04 13 04 18.14 LAU 2010 04 13 05 17.76 LAU 2010 04 13 06 20.98 LAU 2010 04 13 07 16.55 LAU 2010 04 13 08 12.00 LAU 2010 04 13 09 10.11 LAU 2010 04 13 10 8.21 LAU 2010 04 13 11 10.22 LAU 2010 04 13 12 8.64 LAU 2010 04 13 13 13.10 LAU 2010 04 13 14 13.16 LAU 2010 04 13 15 8.98 LAU 2010 04 13 16 8.46 LAU 2010 04 13 17 6.92 LAU 2010 04 13 18 7.42 LAU 2010 04 13 19 11.01 LAU 2010 04 13 20 13.07 LAU 2010 04 13 21 21.82 LAU 2010 04 13 22 21.22 LAU 2010 04 13 23 18.82 LAU 2010 04 14 00 20.37 LAU 2010 04 14 01 21.72 LAU 2010 04 14 02 21.22 LAU 2010 04 14 03 20.77 LAU 2010 04 14 04 21.13 LAU 2010 04 14 05 21.38 LAU 2010 04 14 06 21.21 LAU 2010 04 14 07 20.76 LAU 2010 04 14 08 20.77 LAU 2010 04 14 09 20.65 LAU 2010 04 14 10 20.75 LAU 2010 04 14 11 20.73 LAU 2010 04 14 12 20.36 LAU 2010 04 14 13 20.36 LAU 2010 04 14 14 20.22 LAU 2010 04 14 15 21.17 LAU 2010 04 14 16 21.62 LAU 2010 04 14 17 22.30 LAU 2010 04 14 18 21.03 LAU 2010 04 14 19 20.68 LAU 2010 04 14 20 21.83 LAU 2010 04 14 21 23.49 LAU 2010 04 14 22 23.25 LAU 2010 04 14 23 23.90 LAU 2010 04 15 00 23.85 LAU 2010 04 15 01 24.86 LAU 2010 04 15 02 25.78 LAU 2010 04 15 03 25.70 LAU 2010 04 15 04 25.14 LAU 2010 04 15 05 23.78 LAU 2010 04 15 06 24.43 LAU 2010 04 15 07 22.34 LAU 2010 04 15 08 22.11 LAU 2010 04 15 09 20.88 LAU 2010 04 15 10 20.18 LAU 2010 04 15 11 19.88 LAU 2010 04 15 12 21.26 LAU 2010 04 15 13 21.10 LAU 2010 04 15 14 17.73 LAU 2010 04 15 15 16.27 LAU 2010 04 15 16 15.87 LAU 2010 04 15 17 13.56 LAU 2010 04 15 18 19.05 LAU 2010 04 15 19 20.22 LAU 2010 04 15 20 20.39 LAU 2010 04 15 21 21.06 LAU 2010 04 15 22 22.01 LAU 2010 04 15 23 22.42 LAU 2010 04 16 00 23.44 LAU 2010 04 16 01 24.39 LAU 2010 04 16 02 24.28 LAU 2010 04 16 03 23.94 LAU 2010 04 16 04 23.37 LAU 2010 04 16 05 22.12 LAU 2010 04 16 06 20.87 LAU 2010 04 16 07 19.66 LAU 2010 04 16 08 20.38 LAU 2010 04 16 09 20.01 LAU 2010 04 16 10 20.54 LAU 2010 04 16 11 20.39 LAU 2010 04 16 12 21.02 LAU 2010 04 16 13 21.14 LAU 2010 04 16 14 21.13 LAU 2010 04 16 15 20.83 LAU 2010 04 16 16 20.80 LAU 2010 04 16 17 20.08 LAU 2010 04 16 18 20.07 LAU 2010 04 16 19 21.94 LAU 2010 04 16 20 21.58 LAU 2010 04 16 21 21.87 LAU 2010 04 16 22 21.87 LAU 2010 04 16 23 21.94 LAU 2010 04 17 00 21.95 LAU 2010 04 17 01 21.24 LAU 2010 04 17 02 21.38 LAU 2010 04 17 03 22.66 LAU 2010 04 17 04 22.93 LAU 2010 04 17 05 22.33 LAU 2010 04 17 06 16.45 LAU 2010 04 17 07 13.51 LAU 2010 04 17 08 10.34 LAU 2010 04 17 09 9.84 LAU 2010 04 17 10 9.31 LAU 2010 04 17 11 7.14 LAU 2010 04 17 12 5.12 LAU 2010 04 17 13 5.29 LAU 2010 04 17 14 4.76 LAU 2010 04 17 15 3.89 LAU 2010 04 17 16 4.12 LAU 2010 04 17 17 2.95 LAU 2010 04 17 18 5.51 LAU 2010 04 17 19 3.14 LAU 2010 04 17 20 4.29 LAU 2010 04 17 21 6.73 LAU 2010 04 17 22 9.28 LAU 2010 04 17 23 12.06 LAU 2010 04 18 00 12.78 LAU 2010 04 18 01 12.80 LAU 2010 04 18 02 13.03 LAU 2010 04 18 03 12.92 LAU 2010 04 18 04 12.94 LAU 2010 04 18 05 11.41 LAU 2010 04 18 06 14.86 LAU 2010 04 18 07 21.48 LAU 2010 04 18 08 20.85 LAU 2010 04 18 09 21.41 LAU 2010 04 18 10 20.69 LAU 2010 04 18 11 21.03 LAU 2010 04 18 12 21.48 LAU 2010 04 18 13 21.13 LAU 2010 04 18 14 21.85 LAU 2010 04 18 15 22.77 LAU 2010 04 18 16 25.27 LAU 2010 04 18 17 27.01 LAU 2010 04 18 18 27.25 LAU 2010 04 18 19 26.30