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 01 10 03 16.79 LAU 2009 01 10 04 17.36 LAU 2009 01 10 05 18.16 LAU 2009 01 10 06 15.59 LAU 2009 01 10 07 13.07 LAU 2009 01 10 08 12.25 LAU 2009 01 10 09 11.38 LAU 2009 01 10 10 10.95 LAU 2009 01 10 11 7.48 LAU 2009 01 10 12 5.57 LAU 2009 01 10 13 5.18 LAU 2009 01 10 14 3.65 LAU 2009 01 10 15 3.43 LAU 2009 01 10 16 3.14 LAU 2009 01 10 17 2.13 LAU 2009 01 10 18 4.01 LAU 2009 01 10 19 6.66 LAU 2009 01 10 20 9.99 LAU 2009 01 10 21 12.62 LAU 2009 01 10 22 14.18 LAU 2009 01 10 23 15.31 LAU 2009 01 11 00 16.43 LAU 2009 01 11 01 17.12 LAU 2009 01 11 02 17.25 LAU 2009 01 11 03 17.92 LAU 2009 01 11 04 19.82 LAU 2009 01 11 05 20.90 LAU 2009 01 11 06 18.32 LAU 2009 01 11 07 16.07 LAU 2009 01 11 08 15.44 LAU 2009 01 11 09 13.84 LAU 2009 01 11 10 11.87 LAU 2009 01 11 11 9.97 LAU 2009 01 11 12 8.11 LAU 2009 01 11 13 7.39 LAU 2009 01 11 14 6.18 LAU 2009 01 11 15 5.60 LAU 2009 01 11 16 5.41 LAU 2009 01 11 17 3.49 LAU 2009 01 11 18 4.57 LAU 2009 01 11 19 8.88 LAU 2009 01 11 20 11.91 LAU 2009 01 11 21 15.69 LAU 2009 01 11 22 17.60 LAU 2009 01 11 23 18.37 LAU 2009 01 12 00 18.09 LAU 2009 01 12 01 20.99 LAU 2009 01 12 21 12.84 LAU 2009 01 12 22 15.73 LAU 2009 01 12 23 17.90 LAU 2009 01 13 00 19.30 LAU 2009 01 13 01 21.22 LAU 2009 01 13 02 22.80 LAU 2009 01 13 03 23.74 LAU 2009 01 13 04 23.81 LAU 2009 01 13 05 22.30 LAU 2009 01 13 06 18.61 LAU 2009 01 13 07 16.49 LAU 2009 01 13 08 15.15 LAU 2009 01 13 09 12.78 LAU 2009 01 13 10 10.97 LAU 2009 01 13 11 8.52 LAU 2009 01 13 12 5.98 LAU 2009 01 13 13 5.43 LAU 2009 01 13 14 4.78 LAU 2009 01 13 15 3.68 LAU 2009 01 13 16 3.44 LAU 2009 01 13 17 2.85 LAU 2009 01 13 18 4.39 LAU 2009 01 13 19 7.73 LAU 2009 01 13 20 11.33 LAU 2009 01 13 21 15.40 LAU 2009 01 13 22 17.80 LAU 2009 01 13 23 19.09 LAU 2009 01 14 00 20.26 LAU 2009 01 14 01 25.63 LAU 2009 01 14 02 26.42 LAU 2009 01 14 03 30.92 LAU 2009 01 14 04 25.98 LAU 2009 01 14 05 24.66 LAU 2009 01 14 06 21.92 LAU 2009 01 14 07 20.13 LAU 2009 01 14 08 18.54 LAU 2009 01 14 09 17.96 LAU 2009 01 14 10 15.08 LAU 2009 01 14 11 12.89 LAU 2009 01 14 12 10.13 LAU 2009 01 14 13 8.06 LAU 2009 01 14 14 5.80 LAU 2009 01 14 15 5.02 LAU 2009 01 14 16 5.42 LAU 2009 01 14 17 6.80 LAU 2009 01 14 18 7.99 LAU 2009 01 14 19 12.25 LAU 2009 01 14 20 20.75 LAU 2009 01 14 21 21.02 LAU 2009 01 14 22 21.36 LAU 2009 01 14 23 21.64 LAU 2009 01 15 00 21.98 LAU 2009 01 15 01 23.59 LAU 2009 01 15 02 27.30 LAU 2009 01 15 03 31.20 LAU 2009 01 15 04 32.37 LAU 2009 01 15 05 31.38 LAU 2009 01 15 06 27.36 LAU 2009 01 15 07 24.33 LAU 2009 01 15 08 23.23 LAU 2009 01 15 09 22.32 LAU 2009 01 15 10 21.88 LAU 2009 01 15 11 20.16 LAU 2009 01 15 12 20.77 LAU 2009 01 15 13 18.28 LAU 2009 01 15 14 19.66 LAU 2009 01 15 15 24.12 LAU 2009 01 15 16 25.30 LAU 2009 01 15 17 25.17 LAU 2009 01 15 18 24.61 LAU 2009 01 15 19 29.83 LAU 2009 01 15 20 31.94 LAU 2009 01 15 21 27.41 LAU 2009 01 15 22 24.89 LAU 2009 01 15 23 22.89 LAU 2009 01 16 00 22.51 LAU 2009 01 16 01 21.60 LAU 2009 01 16 02 21.30 LAU 2009 01 16 03 20.91 LAU 2009 01 16 04 22.59 LAU 2009 01 16 05 23.97 LAU 2009 01 16 06 24.20 LAU 2009 01 16 07 22.86 LAU 2009 01 16 08 18.48 LAU 2009 01 16 09 17.69 LAU 2009 01 16 10 16.21 LAU 2009 01 16 11 13.30 LAU 2009 01 16 12 10.03 LAU 2009 01 16 13 7.45 LAU 2009 01 16 14 6.02 LAU 2009 01 16 15 9.03 LAU 2009 01 16 16 12.49 LAU 2009 01 16 17 9.38 LAU 2009 01 16 18 9.74 LAU 2009 01 16 19 10.73 LAU 2009 01 16 20 12.40 LAU 2009 01 16 21 16.47 LAU 2009 01 16 22 18.93 LAU 2009 01 16 23 21.95 LAU 2009 01 17 00 22.04 LAU 2009 01 17 01 19.97 LAU 2009 01 17 02 20.74 LAU 2009 01 17 03 21.40 LAU 2009 01 17 04 20.44 LAU 2009 01 17 05 18.77 LAU 2009 01 17 06 17.80 LAU 2009 01 17 07 17.54 LAU 2009 01 17 08 17.27 LAU 2009 01 17 09 16.56 LAU 2009 01 17 10 13.72 LAU 2009 01 17 11 13.57 LAU 2009 01 17 12 13.50 LAU 2009 01 17 13 12.57 LAU 2009 01 17 14 13.03 LAU 2009 01 17 15 9.05 LAU 2009 01 17 16 7.86 LAU 2009 01 17 17 5.82 LAU 2009 01 17 18 4.83 LAU 2009 01 17 19 7.74 LAU 2009 01 17 20 13.11 LAU 2009 01 17 21 15.51 LAU 2009 01 17 22 17.13 LAU 2009 01 17 23 17.68 LAU 2009 01 18 00 18.61 LAU 2009 01 18 01 18.85 LAU 2009 01 18 02 18.77 LAU 2009 01 18 03 18.55 LAU 2009 01 18 04 16.24 LAU 2009 01 18 05 14.98 LAU 2009 01 18 06 13.68 LAU 2009 01 18 07 12.09 LAU 2009 01 18 08 11.38 LAU 2009 01 18 09 10.12 LAU 2009 01 18 10 6.35 LAU 2009 01 18 11 5.05 LAU 2009 01 18 12 5.29 LAU 2009 01 18 13 4.06 LAU 2009 01 18 14 2.37 LAU 2009 01 18 15 2.40 LAU 2009 01 18 16 1.22 LAU 2009 01 18 17 1.44 LAU 2009 01 18 18 2.59 LAU 2009 01 18 19 3.84 LAU 2009 01 18 20 7.39 LAU 2009 01 18 21 10.52 LAU 2009 01 18 22 14.42 LAU 2009 01 18 23 14.87 LAU 2009 01 19 00 14.76 LAU 2009 01 19 01 15.39 LAU 2009 01 19 02 15.77 LAU 2009 01 19 03 14.73 LAU 2009 01 19 04 13.73 LAU 2009 01 19 05 13.13 LAU 2009 01 19 06 12.93 LAU 2009 01 19 07 12.95 LAU 2009 01 19 08 12.78 LAU 2009 01 19 09 12.26 LAU 2009 01 19 10 11.80 LAU 2009 01 19 11 11.25 LAU 2009 01 19 12 10.60 LAU 2009 01 19 13 8.47 LAU 2009 01 19 14 7.51 LAU 2009 01 19 15 7.46 LAU 2009 01 19 16 7.05 LAU 2009 01 19 17 2.54 LAU 2009 01 19 18 3.53 LAU 2009 01 19 19 6.27 LAU 2009 01 19 20 9.83 LAU 2009 01 19 21 11.90 LAU 2009 01 19 22 15.25 LAU 2009 01 19 23 16.30 LAU 2009 01 20 00 16.64 LAU 2009 01 20 01 16.22 LAU 2009 01 20 02 15.36 LAU 2009 01 20 03 14.54 LAU 2009 01 20 04 15.00 LAU 2009 01 20 05 14.32 LAU 2009 01 20 06 14.30 LAU 2009 01 20 07 13.37 LAU 2009 01 20 08 12.19 LAU 2009 01 20 09 8.28 LAU 2009 01 20 10 4.94 LAU 2009 01 20 11 5.12 LAU 2009 01 20 12 7.65 LAU 2009 01 20 13 13.63 LAU 2009 01 20 14 13.01 LAU 2009 01 20 15 6.88 LAU 2009 01 20 16 7.76 LAU 2009 01 20 17 9.63 LAU 2009 01 20 18 12.00 LAU 2009 01 20 19 13.15 LAU 2009 01 20 20 16.30 LAU 2009 01 20 21 16.97 LAU 2009 01 20 22 16.16 LAU 2009 01 20 23 16.82 LAU 2009 01 21 00 17.23 LAU 2009 01 21 01 18.25 LAU 2009 01 21 02 17.50 LAU 2009 01 21 03 16.40 LAU 2009 01 21 04 15.59 LAU 2009 01 21 05 14.17 LAU 2009 01 21 06 13.39 LAU 2009 01 21 07 12.79 LAU 2009 01 21 08 13.03 LAU 2009 01 21 09 12.94 LAU 2009 01 21 10 12.93 LAU 2009 01 21 11 12.57 LAU 2009 01 21 12 12.39 LAU 2009 01 21 13 12.59 LAU 2009 01 21 14 11.45 LAU 2009 01 21 15 10.41 LAU 2009 01 21 16 10.96 LAU 2009 01 21 17 11.71 LAU 2009 01 21 18 13.04 LAU 2009 01 21 19 14.31 LAU 2009 01 21 20 14.26 LAU 2009 01 21 21 14.28 LAU 2009 01 21 22 15.82 LAU 2009 01 21 23 16.43 LAU 2009 01 22 00 16.29 LAU 2009 01 22 01 15.70 LAU 2009 01 22 02 15.25 LAU 2009 01 22 03 14.93 LAU 2009 01 22 04 14.49 LAU 2009 01 22 05 14.06 LAU 2009 01 22 06 14.47 LAU 2009 01 22 07 14.96 LAU 2009 01 22 08 15.06 LAU 2009 01 22 09 15.23 LAU 2009 01 22 10 15.17 LAU 2009 01 22 11 15.71 LAU 2009 01 22 12 15.98 LAU 2009 01 22 13 15.91 LAU 2009 01 22 14 16.24 LAU 2009 01 22 15 17.13 LAU 2009 01 22 16 16.78 LAU 2009 01 22 17 17.41 LAU 2009 01 22 18 16.31 LAU 2009 01 22 19 16.84 LAU 2009 01 22 20 17.10 LAU 2009 01 22 21 17.47 LAU 2009 01 22 22 18.51 LAU 2009 01 22 23 19.53 LAU 2009 01 23 00 18.81 LAU 2009 01 23 01 18.67 LAU 2009 01 23 02 19.22 LAU 2009 01 23 03 20.16 LAU 2009 01 23 04 19.94 LAU 2009 01 23 05 19.80 LAU 2009 01 23 06 19.51 LAU 2009 01 23 07 18.27 LAU 2009 01 23 08 17.71 LAU 2009 01 23 09 17.67 LAU 2009 01 23 10 17.36 LAU 2009 01 23 11 17.50 LAU 2009 01 23 12 17.61 LAU 2009 01 23 13 16.69 LAU 2009 01 23 14 14.63 LAU 2009 01 23 15 13.23 LAU 2009 01 23 16 11.86 LAU 2009 01 23 17 13.00 LAU 2009 01 23 18 14.43 LAU 2009 01 23 19 16.23 LAU 2009 01 23 20 16.64 LAU 2009 01 23 21 17.73 LAU 2009 01 23 22 19.74 LAU 2009 01 23 23 21.34 LAU 2009 01 24 00 20.86 LAU 2009 01 24 01 20.02 LAU 2009 01 24 02 19.90 LAU 2009 01 24 03 20.37 LAU 2009 01 24 04 21.11 LAU 2009 01 24 05 21.43 LAU 2009 01 24 06 21.58 LAU 2009 01 24 07 22.58 LAU 2009 01 24 08 22.70 LAU 2009 01 24 09 22.38 LAU 2009 01 24 10 21.58 LAU 2009 01 24 11 20.81 LAU 2009 01 24 12 20.31 LAU 2009 01 24 13 20.90 LAU 2009 01 24 14 22.50 LAU 2009 01 24 15 22.38 LAU 2009 01 24 16 20.77 LAU 2009 01 24 17 19.95 LAU 2009 01 24 18 18.77 LAU 2009 01 24 19 18.08 LAU 2009 01 24 20 18.08 LAU 2009 01 24 21 18.01 LAU 2009 01 24 22 17.32 LAU 2009 01 24 23 16.65 LAU 2009 01 25 00 16.52 LAU 2009 01 25 01 15.82 LAU 2009 01 25 02 14.67 LAU 2009 01 25 03 14.06 LAU 2009 01 25 04 13.89 LAU 2009 01 25 05 13.57 LAU 2009 01 25 06 12.76 LAU 2009 01 25 07 12.47 LAU 2009 01 25 08 12.43 LAU 2009 01 25 09 12.20 LAU 2009 01 25 10 12.05 LAU 2009 01 25 11 11.51 LAU 2009 01 25 12 10.76 LAU 2009 01 25 13 11.34 LAU 2009 01 25 14 10.66 LAU 2009 01 25 15 12.00 LAU 2009 01 25 16 10.80 LAU 2009 01 25 17 9.26 LAU 2009 01 25 18 7.43 LAU 2009 01 25 19 11.74 LAU 2009 01 25 20 14.41 LAU 2009 01 25 21 16.62 LAU 2009 01 25 22 19.97 LAU 2009 01 25 23 18.78 LAU 2009 01 26 00 19.35 LAU 2009 01 26 01 20.71 LAU 2009 01 26 02 21.20 LAU 2009 01 26 03 22.29 LAU 2009 01 26 04 23.82 LAU 2009 01 26 05 23.53 LAU 2009 01 26 06 21.76 LAU 2009 01 26 07 21.79 LAU 2009 01 26 08 19.51 LAU 2009 01 26 09 16.09 LAU 2009 01 26 10 14.24 LAU 2009 01 26 11 13.01 LAU 2009 01 26 12 12.16 LAU 2009 01 26 13 11.96 LAU 2009 01 26 14 12.40 LAU 2009 01 26 15 11.46 LAU 2009 01 26 16 12.96 LAU 2009 01 26 17 12.58 LAU 2009 01 26 18 13.28 LAU 2009 01 26 19 13.13 LAU 2009 01 26 20 12.94 LAU 2009 01 26 21 13.97 LAU 2009 01 26 22 14.48 LAU 2009 01 26 23 15.44 LAU 2009 01 27 00 15.86 LAU 2009 01 27 01 16.50 LAU 2009 01 27 02 15.49 LAU 2009 01 27 03 14.04 LAU 2009 01 27 04 13.72 LAU 2009 01 27 05 13.63 LAU 2009 01 27 06 13.63 LAU 2009 01 27 07 13.03 LAU 2009 01 27 08 12.10 LAU 2009 01 27 09 11.39 LAU 2009 01 27 10 10.88 LAU 2009 01 27 11 8.26 LAU 2009 01 27 12 6.80 LAU 2009 01 27 13 5.84 LAU 2009 01 27 14 5.07 LAU 2009 01 27 15 3.26 LAU 2009 01 27 16 3.49 LAU 2009 01 27 17 3.46 LAU 2009 01 27 18 3.76 LAU 2009 01 27 19 6.59 LAU 2009 01 27 20 11.19 LAU 2009 01 27 21 12.45 LAU 2009 01 27 22 13.44 LAU 2009 01 27 23 14.26 LAU 2009 01 28 00 15.27 LAU 2009 01 28 01 16.24 LAU 2009 01 28 02 16.97 LAU 2009 01 28 03 17.10 LAU 2009 01 28 04 17.22 LAU 2009 01 28 05 16.21 LAU 2009 01 28 06 15.61 LAU 2009 01 28 07 14.29 LAU 2009 01 28 08 14.44 LAU 2009 01 28 09 14.71 LAU 2009 01 28 10 13.06 LAU 2009 01 28 11 10.97 LAU 2009 01 28 12 9.83 LAU 2009 01 28 13 8.58 LAU 2009 01 28 14 9.86 LAU 2009 01 28 15 9.86 LAU 2009 01 28 16 13.64 LAU 2009 01 28 17 13.44 LAU 2009 01 28 18 13.88 LAU 2009 01 28 19 16.18 LAU 2009 01 28 20 17.61 LAU 2009 01 28 21 18.78 LAU 2009 01 28 22 19.62 LAU 2009 01 28 23 19.99 LAU 2009 01 29 00 20.00 LAU 2009 01 29 01 20.27 LAU 2009 01 29 02 20.21 LAU 2009 01 29 03 20.04 LAU 2009 01 29 04 19.34 LAU 2009 01 29 05 19.37 LAU 2009 01 29 06 18.40 LAU 2009 01 29 07 17.52 LAU 2009 01 29 08 16.71 LAU 2009 01 29 09 16.05 LAU 2009 01 29 10 15.70 LAU 2009 01 29 11 14.91 LAU 2009 01 29 12 14.27 LAU 2009 01 29 13 14.31 LAU 2009 01 29 14 14.09 LAU 2009 01 29 15 13.28 LAU 2009 01 29 16 10.42 LAU 2009 01 29 17 9.42 LAU 2009 01 29 18 8.84 LAU 2009 01 29 19 9.74 LAU 2009 01 29 20 10.52 LAU 2009 01 29 21 12.42 LAU 2009 01 29 22 12.43 LAU 2009 01 29 23 11.68 LAU 2009 01 30 00 12.56 LAU 2009 01 30 01 12.84 LAU 2009 01 30 02 14.05 LAU 2009 01 30 03 15.06 LAU 2009 01 30 04 16.32 LAU 2009 01 30 05 18.45 LAU 2009 01 30 06 22.20 LAU 2009 01 30 07 23.28 LAU 2009 01 30 08 22.33 LAU 2009 01 30 09 20.83 LAU 2009 01 30 10 19.56 LAU 2009 01 30 11 19.47 LAU 2009 01 30 12 19.49 LAU 2009 01 30 13 20.16 LAU 2009 01 30 14 20.32 LAU 2009 01 30 15 19.82 LAU 2009 01 30 16 19.99 LAU 2009 01 30 17 20.38 LAU 2009 01 30 18 20.76 LAU 2009 01 30 19 20.35 LAU 2009 01 30 20 20.59 LAU 2009 01 30 21 22.09 LAU 2009 01 30 22 23.13 LAU 2009 01 30 23 24.23 LAU 2009 01 31 00 27.32 LAU 2009 01 31 01 26.67 LAU 2009 01 31 02 27.63 LAU 2009 01 31 03 26.33 LAU 2009 01 31 04 22.82 LAU 2009 01 31 05 19.69 LAU 2009 01 31 06 19.14 LAU 2009 01 31 07 19.39 LAU 2009 01 31 08 17.77 LAU 2009 01 31 09 16.09 LAU 2009 01 31 10 15.61 LAU 2009 01 31 11 17.85 LAU 2009 01 31 12 25.08 LAU 2009 01 31 13 25.46 LAU 2009 01 31 14 25.80 LAU 2009 01 31 15 25.11 LAU 2009 01 31 16 23.35 LAU 2009 01 31 17 19.90 LAU 2009 01 31 18 16.84 LAU 2009 01 31 19 14.55 LAU 2009 01 31 20 14.17 LAU 2009 01 31 21 15.35 LAU 2009 01 31 22 14.04 LAU 2009 01 31 23 14.50