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 05 12 10 9.20 LAU 2010 05 12 11 10.52 LAU 2010 05 12 12 9.76 LAU 2010 05 12 13 8.15 LAU 2010 05 12 14 7.44 LAU 2010 05 12 15 8.22 LAU 2010 05 12 16 8.80 LAU 2010 05 12 17 7.65 LAU 2010 05 12 18 4.60 LAU 2010 05 12 19 5.47 LAU 2010 05 12 20 4.49 LAU 2010 05 12 21 6.25 LAU 2010 05 12 22 8.78 LAU 2010 05 12 23 12.38 LAU 2010 05 13 00 14.44 LAU 2010 05 13 01 15.84 LAU 2010 05 13 02 18.12 LAU 2010 05 13 03 18.38 LAU 2010 05 13 04 16.79 LAU 2010 05 13 05 18.49 LAU 2010 05 13 06 21.92 LAU 2010 05 13 07 23.93 LAU 2010 05 13 08 23.73 LAU 2010 05 13 09 19.22 LAU 2010 05 13 10 20.38 LAU 2010 05 13 11 20.84 LAU 2010 05 13 12 17.60 LAU 2010 05 13 13 16.96 LAU 2010 05 13 14 14.37 LAU 2010 05 13 15 10.66 LAU 2010 05 13 16 9.78 LAU 2010 05 13 17 9.45 LAU 2010 05 13 18 8.91 LAU 2010 05 13 19 8.54 LAU 2010 05 13 20 7.96 LAU 2010 05 13 21 6.25 LAU 2010 05 13 22 7.62 LAU 2010 05 13 23 12.34 LAU 2010 05 14 00 16.12 LAU 2010 05 14 01 16.36 LAU 2010 05 14 02 20.81 LAU 2010 05 14 03 21.22 LAU 2010 05 14 04 19.69 LAU 2010 05 14 05 17.40 LAU 2010 05 14 06 15.80 LAU 2010 05 14 07 8.68 LAU 2010 05 14 08 7.42 LAU 2010 05 14 09 7.50 LAU 2010 05 14 10 7.89 LAU 2010 05 14 11 6.60 LAU 2010 05 14 12 5.43 LAU 2010 05 14 13 4.59 LAU 2010 05 14 14 2.98 LAU 2010 05 14 15 3.70 LAU 2010 05 14 16 3.94 LAU 2010 05 14 17 4.44 LAU 2010 05 14 18 5.32 LAU 2010 05 14 19 6.46 LAU 2010 05 14 20 7.94 LAU 2010 05 14 21 8.34 LAU 2010 05 14 22 8.62 LAU 2010 05 14 23 9.20 LAU 2010 05 15 00 12.95 LAU 2010 05 15 01 18.01 LAU 2010 05 15 02 20.32 LAU 2010 05 15 03 21.48 LAU 2010 05 15 04 19.81 LAU 2010 05 15 05 21.18 LAU 2010 05 15 06 21.68 LAU 2010 05 15 07 9.84 LAU 2010 05 15 08 7.73 LAU 2010 05 15 09 6.58 LAU 2010 05 15 10 6.38 LAU 2010 05 15 11 7.39 LAU 2010 05 15 12 7.65 LAU 2010 05 15 13 6.02 LAU 2010 05 15 14 5.36 LAU 2010 05 15 15 5.92 LAU 2010 05 15 16 5.55 LAU 2010 05 15 17 6.02 LAU 2010 05 15 18 8.02 LAU 2010 05 15 19 7.15 LAU 2010 05 15 20 4.34 LAU 2010 05 15 21 4.73 LAU 2010 05 15 22 6.82 LAU 2010 05 15 23 7.68 LAU 2010 05 16 00 9.75 LAU 2010 05 16 01 16.28 LAU 2010 05 16 02 17.66 LAU 2010 05 16 03 20.11 LAU 2010 05 16 04 20.06 LAU 2010 05 16 05 18.82 LAU 2010 05 16 06 15.75 LAU 2010 05 16 07 13.65 LAU 2010 05 16 08 12.12 LAU 2010 05 16 09 10.98 LAU 2010 05 16 10 9.25 LAU 2010 05 16 11 7.84 LAU 2010 05 16 12 12.52 LAU 2010 05 16 13 11.55 LAU 2010 05 16 14 12.40 LAU 2010 05 16 15 12.97 LAU 2010 05 16 16 12.31 LAU 2010 05 16 17 11.13 LAU 2010 05 16 18 12.73 LAU 2010 05 16 19 12.43 LAU 2010 05 16 20 12.47 LAU 2010 05 16 21 12.96 LAU 2010 05 16 22 13.32 LAU 2010 05 16 23 13.33 LAU 2010 05 17 00 13.97 LAU 2010 05 17 01 15.32 LAU 2010 05 17 02 17.09 LAU 2010 05 17 03 18.41 LAU 2010 05 17 04 16.51 LAU 2010 05 17 05 14.71 LAU 2010 05 17 06 15.24 LAU 2010 05 17 07 11.28 LAU 2010 05 17 08 9.03 LAU 2010 05 17 09 8.55 LAU 2010 05 17 10 7.64 LAU 2010 05 17 11 4.82 LAU 2010 05 17 12 5.49 LAU 2010 05 17 13 6.08 LAU 2010 05 17 14 3.25 LAU 2010 05 17 15 5.38 LAU 2010 05 17 16 3.11 LAU 2010 05 17 17 3.41 LAU 2010 05 17 18 2.03 LAU 2010 05 17 19 1.70 LAU 2010 05 17 20 1.34 LAU 2010 05 17 21 1.87 LAU 2010 05 17 22 2.36 LAU 2010 05 17 23 7.78 LAU 2010 05 18 00 12.15 LAU 2010 05 18 01 14.46 LAU 2010 05 18 02 18.12 LAU 2010 05 18 03 19.92 LAU 2010 05 18 04 20.12 LAU 2010 05 18 05 15.83 LAU 2010 05 18 06 12.38 LAU 2010 05 18 07 10.11 LAU 2010 05 18 08 5.90 LAU 2010 05 18 09 3.94 LAU 2010 05 18 10 4.99 LAU 2010 05 18 11 6.03 LAU 2010 05 18 12 5.32 LAU 2010 05 18 13 5.08 LAU 2010 05 18 14 3.02 LAU 2010 05 18 15 5.27 LAU 2010 05 18 16 4.03 LAU 2010 05 18 17 3.83 LAU 2010 05 18 18 5.55 LAU 2010 05 18 19 6.12 LAU 2010 05 18 20 6.75 LAU 2010 05 18 21 7.18 LAU 2010 05 18 22 7.67 LAU 2010 05 18 23 9.87 LAU 2010 05 19 00 10.46 LAU 2010 05 19 01 15.11 LAU 2010 05 19 02 16.30 LAU 2010 05 19 03 16.70 LAU 2010 05 19 04 16.23 LAU 2010 05 19 05 16.70 LAU 2010 05 19 06 18.63 LAU 2010 05 19 07 17.91 LAU 2010 05 19 08 18.54 LAU 2010 05 19 09 16.64 LAU 2010 05 19 10 11.67 LAU 2010 05 19 11 10.34 LAU 2010 05 19 12 8.66 LAU 2010 05 19 13 9.14 LAU 2010 05 19 14 10.67 LAU 2010 05 19 15 12.67 LAU 2010 05 19 16 9.44 LAU 2010 05 19 17 8.08 LAU 2010 05 19 18 6.67 LAU 2010 05 19 19 4.57 LAU 2010 05 19 20 5.34 LAU 2010 05 19 21 7.13 LAU 2010 05 19 22 10.80 LAU 2010 05 19 23 17.44 LAU 2010 05 20 00 18.55 LAU 2010 05 20 01 18.83 LAU 2010 05 20 02 19.80 LAU 2010 05 20 03 19.33 LAU 2010 05 20 04 16.14 LAU 2010 05 20 05 12.13 LAU 2010 05 20 06 10.57 LAU 2010 05 20 07 8.64 LAU 2010 05 20 08 7.44 LAU 2010 05 20 09 6.40 LAU 2010 05 20 10 6.21 LAU 2010 05 20 11 9.34 LAU 2010 05 20 12 11.02 LAU 2010 05 20 13 13.13 LAU 2010 05 20 14 14.11 LAU 2010 05 20 15 15.48 LAU 2010 05 20 16 15.82 LAU 2010 05 20 17 15.81 LAU 2010 05 20 18 14.41 LAU 2010 05 20 19 14.93 LAU 2010 05 20 20 14.48 LAU 2010 05 20 21 15.26 LAU 2010 05 20 22 18.08 LAU 2010 05 20 23 20.14 LAU 2010 05 21 00 20.50 LAU 2010 05 21 01 20.83 LAU 2010 05 21 02 20.43 LAU 2010 05 21 03 20.34 LAU 2010 05 21 04 19.20 LAU 2010 05 21 05 15.82 LAU 2010 05 21 06 16.53 LAU 2010 05 21 07 11.93 LAU 2010 05 21 08 11.16 LAU 2010 05 21 09 9.34 LAU 2010 05 21 10 9.33 LAU 2010 05 21 11 6.83 LAU 2010 05 21 12 6.39 LAU 2010 05 21 13 6.27 LAU 2010 05 21 14 5.51 LAU 2010 05 21 15 4.83 LAU 2010 05 21 16 4.68 LAU 2010 05 21 17 6.57 LAU 2010 05 21 18 6.40 LAU 2010 05 21 19 4.39 LAU 2010 05 21 20 3.96 LAU 2010 05 21 21 5.00 LAU 2010 05 21 22 7.42 LAU 2010 05 21 23 11.42 LAU 2010 05 22 00 12.94 LAU 2010 05 22 01 12.65 LAU 2010 05 22 02 13.94 LAU 2010 05 22 03 13.83 LAU 2010 05 22 04 13.89 LAU 2010 05 22 05 11.35 LAU 2010 05 22 06 9.17 LAU 2010 05 22 07 7.75 LAU 2010 05 22 08 7.52 LAU 2010 05 22 09 6.67 LAU 2010 05 22 10 5.78 LAU 2010 05 22 11 6.36 LAU 2010 05 22 12 8.63 LAU 2010 05 22 13 7.94 LAU 2010 05 22 14 7.75 LAU 2010 05 22 15 8.47 LAU 2010 05 22 16 6.93 LAU 2010 05 22 17 5.67 LAU 2010 05 22 18 6.47 LAU 2010 05 22 19 7.00 LAU 2010 05 22 20 5.92 LAU 2010 05 22 21 5.42 LAU 2010 05 22 22 8.12 LAU 2010 05 22 23 11.47 LAU 2010 05 23 00 14.05 LAU 2010 05 23 01 14.24 LAU 2010 05 23 02 15.67 LAU 2010 05 23 03 16.10 LAU 2010 05 23 04 15.18 LAU 2010 05 23 05 15.07 LAU 2010 05 23 06 10.29 LAU 2010 05 23 07 5.79 LAU 2010 05 23 08 3.43 LAU 2010 05 23 09 4.73 LAU 2010 05 23 10 3.42 LAU 2010 05 23 11 5.67 LAU 2010 05 23 12 5.40 LAU 2010 05 23 13 14.23 LAU 2010 05 23 14 17.04 LAU 2010 05 23 15 19.25 LAU 2010 05 23 16 19.22 LAU 2010 05 23 17 16.87 LAU 2010 05 23 18 18.98 LAU 2010 05 23 19 12.86 LAU 2010 05 23 20 10.04 LAU 2010 05 23 21 11.97 LAU 2010 05 23 22 13.33 LAU 2010 05 23 23 12.55 LAU 2010 05 24 00 13.71 LAU 2010 05 24 01 13.60 LAU 2010 05 24 02 12.72 LAU 2010 05 24 03 11.92 LAU 2010 05 24 04 12.28 LAU 2010 05 24 05 13.03 LAU 2010 05 24 06 11.70 LAU 2010 05 24 07 13.97 LAU 2010 05 24 08 21.40 LAU 2010 05 24 09 24.11 LAU 2010 05 24 10 24.09 LAU 2010 05 24 11 19.63 LAU 2010 05 24 12 14.77 LAU 2010 05 24 13 18.87 LAU 2010 05 24 14 16.08 LAU 2010 05 24 15 17.60 LAU 2010 05 24 16 20.33 LAU 2010 05 24 17 20.49 LAU 2010 05 24 18 21.14 LAU 2010 05 24 19 20.67 LAU 2010 05 24 20 20.12 LAU 2010 05 24 21 21.47 LAU 2010 05 24 22 22.79 LAU 2010 05 24 23 21.99 LAU 2010 05 25 00 21.63 LAU 2010 05 25 01 22.96 LAU 2010 05 25 02 24.67 LAU 2010 05 25 03 26.86 LAU 2010 05 25 04 26.09 LAU 2010 05 25 05 26.72 LAU 2010 05 25 06 26.38 LAU 2010 05 25 07 24.62 LAU 2010 05 25 08 22.82 LAU 2010 05 25 09 24.23 LAU 2010 05 25 10 27.68 LAU 2010 05 25 11 20.34 LAU 2010 05 25 12 17.87 LAU 2010 05 25 13 22.31 LAU 2010 05 25 14 23.23 LAU 2010 05 25 15 21.80 LAU 2010 05 25 16 22.86 LAU 2010 05 25 17 23.67 LAU 2010 05 25 18 22.94 LAU 2010 05 25 19 22.57 LAU 2010 05 25 20 23.02 LAU 2010 05 25 21 21.65 LAU 2010 05 25 22 20.29 LAU 2010 05 25 23 20.46 LAU 2010 05 26 00 22.21 LAU 2010 05 26 01 23.27 LAU 2010 05 26 02 24.44 LAU 2010 05 26 03 26.39 LAU 2010 05 26 04 24.37 LAU 2010 05 26 05 23.42 LAU 2010 05 26 06 22.66 LAU 2010 05 26 07 22.09 LAU 2010 05 26 08 18.16 LAU 2010 05 26 09 19.44 LAU 2010 05 26 10 21.13 LAU 2010 05 26 11 23.13 LAU 2010 05 26 12 23.56 LAU 2010 05 26 13 23.86 LAU 2010 05 26 14 23.49 LAU 2010 05 26 15 23.74 LAU 2010 05 26 16 22.73 LAU 2010 05 26 17 22.95 LAU 2010 05 26 18 21.13 LAU 2010 05 26 19 22.83 LAU 2010 05 26 20 22.30 LAU 2010 05 26 21 23.32 LAU 2010 05 26 22 24.52 LAU 2010 05 26 23 24.65 LAU 2010 05 27 00 26.12 LAU 2010 05 27 01 26.32 LAU 2010 05 27 02 26.48 LAU 2010 05 27 03 24.66 LAU 2010 05 27 04 24.16 LAU 2010 05 27 05 23.35 LAU 2010 05 27 06 21.21 LAU 2010 05 27 07 21.20 LAU 2010 05 27 08 21.54 LAU 2010 05 27 09 21.40 LAU 2010 05 27 10 21.75 LAU 2010 05 27 11 20.36 LAU 2010 05 27 12 21.53 LAU 2010 05 27 13 23.23 LAU 2010 05 27 14 21.77 LAU 2010 05 27 15 20.84 LAU 2010 05 27 16 22.17 LAU 2010 05 27 17 21.13 LAU 2010 05 27 18 22.91 LAU 2010 05 27 19 23.36 LAU 2010 05 27 20 22.82 LAU 2010 05 27 21 23.15 LAU 2010 05 27 22 24.25 LAU 2010 05 27 23 24.25 LAU 2010 05 28 00 24.26 LAU 2010 05 28 01 23.88 LAU 2010 05 28 02 23.01 LAU 2010 05 28 03 22.68 LAU 2010 05 28 04 21.97 LAU 2010 05 28 05 21.67 LAU 2010 05 28 06 20.80 LAU 2010 05 28 07 22.63 LAU 2010 05 28 08 23.25 LAU 2010 05 28 09 22.55 LAU 2010 05 28 10 22.48 LAU 2010 05 28 11 22.73 LAU 2010 05 28 12 21.74 LAU 2010 05 28 13 21.92 LAU 2010 05 28 14 20.00 LAU 2010 05 28 15 16.95 LAU 2010 05 28 16 22.96 LAU 2010 05 28 17 21.83 LAU 2010 05 28 18 18.06 LAU 2010 05 28 19 19.11 LAU 2010 05 28 20 18.95 LAU 2010 05 28 21 19.26 LAU 2010 05 28 22 18.28 LAU 2010 05 28 23 19.48 LAU 2010 05 29 00 21.15 LAU 2010 05 29 01 22.97 LAU 2010 05 29 02 21.76 LAU 2010 05 29 03 20.99 LAU 2010 05 29 04 20.46 LAU 2010 05 29 05 19.10 LAU 2010 05 29 06 18.86 LAU 2010 05 29 07 18.02 LAU 2010 05 29 08 18.57 LAU 2010 05 29 09 19.26 LAU 2010 05 29 10 18.81 LAU 2010 05 29 11 19.08 LAU 2010 05 29 12 18.45 LAU 2010 05 29 13 18.42 LAU 2010 05 29 14 18.29 LAU 2010 05 29 15 19.86 LAU 2010 05 29 16 18.76 LAU 2010 05 29 17 18.59 LAU 2010 05 29 18 19.10 LAU 2010 05 29 19 19.58 LAU 2010 05 29 20 20.87 LAU 2010 05 29 21 20.70 LAU 2010 05 29 22 20.16 LAU 2010 05 29 23 23.02 LAU 2010 05 30 00 23.75 LAU 2010 05 30 01 23.31 LAU 2010 05 30 02 23.64 LAU 2010 05 30 03 23.82 LAU 2010 05 30 04 22.17 LAU 2010 05 30 05 17.68 LAU 2010 05 30 06 14.81 LAU 2010 05 30 07 16.83 LAU 2010 05 30 08 14.92 LAU 2010 05 30 09 15.99 LAU 2010 05 30 10 16.95 LAU 2010 05 30 11 17.43 LAU 2010 05 30 12 14.78 LAU 2010 05 30 13 16.03 LAU 2010 05 30 14 16.23 LAU 2010 05 30 15 18.00 LAU 2010 05 30 16 18.14 LAU 2010 05 30 17 16.12 LAU 2010 05 30 18 16.04 LAU 2010 05 30 19 14.49 LAU 2010 05 30 20 15.39 LAU 2010 05 30 21 14.89 LAU 2010 05 30 22 15.44 LAU 2010 05 30 23 17.91 LAU 2010 05 31 00 19.61 LAU 2010 05 31 01 20.49 LAU 2010 05 31 02 20.28 LAU 2010 05 31 03 16.97 LAU 2010 05 31 04 16.93 LAU 2010 05 31 05 13.80 LAU 2010 05 31 06 14.89 LAU 2010 05 31 07 14.84 LAU 2010 05 31 08 14.71 LAU 2010 05 31 09 13.88 LAU 2010 05 31 10 14.03 LAU 2010 05 31 11 16.18 LAU 2010 05 31 12 18.45 LAU 2010 05 31 13 18.51 LAU 2010 05 31 14 17.86 LAU 2010 05 31 15 17.94 LAU 2010 05 31 16 17.44 LAU 2010 05 31 17 16.82 LAU 2010 05 31 18 14.53 LAU 2010 05 31 19 14.01 LAU 2010 05 31 20 13.53 LAU 2010 05 31 21 13.76 LAU 2010 05 31 22 14.69 LAU 2010 05 31 23 15.14