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 2012 07 12 04 28.84 LAU 2012 07 12 05 28.60 LAU 2012 07 12 06 29.00 LAU 2012 07 12 07 29.14 LAU 2012 07 12 08 29.84 LAU 2012 07 12 09 29.22 LAU 2012 07 12 10 29.05 LAU 2012 07 12 11 28.92 LAU 2012 07 12 12 27.46 LAU 2012 07 12 13 26.81 LAU 2012 07 12 14 24.61 LAU 2012 07 12 15 23.70 LAU 2012 07 12 16 23.86 LAU 2012 07 12 17 23.06 LAU 2012 07 12 18 22.05 LAU 2012 07 13 02 24.31 LAU 2012 07 13 03 20.67 LAU 2012 07 13 04 19.17 LAU 2012 07 13 05 17.66 LAU 2012 07 13 06 14.88 LAU 2012 07 13 07 11.93 LAU 2012 07 13 08 13.67 LAU 2012 07 13 09 14.32 LAU 2012 07 13 10 9.03 LAU 2012 07 13 11 12.02 LAU 2012 07 13 12 6.40 LAU 2012 07 13 13 7.35 LAU 2012 07 13 14 9.18 LAU 2012 07 13 15 8.61 LAU 2012 07 13 16 7.79 LAU 2012 07 13 17 7.97 LAU 2012 07 13 18 6.94 LAU 2012 07 13 19 5.33 LAU 2012 07 13 20 5.75 LAU 2012 07 13 21 4.38 LAU 2012 07 13 22 5.03 LAU 2012 07 13 23 8.00 LAU 2012 07 14 00 14.33 LAU 2012 07 14 01 20.10 LAU 2012 07 14 02 19.42 LAU 2012 07 14 03 19.14 LAU 2012 07 14 04 18.86 LAU 2012 07 14 05 17.36 LAU 2012 07 14 06 13.05 LAU 2012 07 14 07 11.63 LAU 2012 07 14 08 9.09 LAU 2012 07 14 09 10.10 LAU 2012 07 14 10 7.99 LAU 2012 07 14 11 7.16 LAU 2012 07 14 12 3.94 LAU 2012 07 14 13 7.20 LAU 2012 07 14 14 4.22 LAU 2012 07 14 15 3.96 LAU 2012 07 14 16 3.06 LAU 2012 07 14 17 4.16 LAU 2012 07 14 18 3.14 LAU 2012 07 14 19 2.32 LAU 2012 07 14 20 2.08 LAU 2012 07 14 21 2.67 LAU 2012 07 14 22 5.95 LAU 2012 07 14 23 10.88 LAU 2012 07 15 00 11.60 LAU 2012 07 15 01 15.00 LAU 2012 07 15 02 16.55 LAU 2012 07 15 03 17.37 LAU 2012 07 15 04 15.20 LAU 2012 07 15 05 13.86 LAU 2012 07 15 06 11.91 LAU 2012 07 15 07 10.51 LAU 2012 07 15 08 10.21 LAU 2012 07 15 09 8.31 LAU 2012 07 15 10 8.37 LAU 2012 07 15 11 11.83 LAU 2012 07 15 12 18.13 LAU 2012 07 15 13 20.35 LAU 2012 07 15 14 20.15 LAU 2012 07 15 15 20.35 LAU 2012 07 15 16 18.57 LAU 2012 07 15 17 22.25 LAU 2012 07 15 18 22.36 LAU 2012 07 15 19 22.58 LAU 2012 07 15 23 27.67 LAU 2012 07 16 00 31.03 LAU 2012 07 16 01 30.26 LAU 2012 07 16 02 30.61 LAU 2012 07 16 03 29.29 LAU 2012 07 16 04 29.13 LAU 2012 07 16 05 30.06 LAU 2012 07 16 06 31.46 LAU 2012 07 16 07 26.89 LAU 2012 07 16 08 24.75 LAU 2012 07 16 09 24.14 LAU 2012 07 16 10 22.43 LAU 2012 07 16 11 21.44 LAU 2012 07 16 12 20.23 LAU 2012 07 16 13 20.75 LAU 2012 07 16 14 20.09 LAU 2012 07 16 15 21.29 LAU 2012 07 16 16 21.47 LAU 2012 07 16 17 21.78 LAU 2012 07 16 18 21.39 LAU 2012 07 16 19 22.98 LAU 2012 07 16 20 23.37 LAU 2012 07 16 21 25.32 LAU 2012 07 16 22 26.39 LAU 2012 07 16 23 28.23 LAU 2012 07 17 00 30.20 LAU 2012 07 17 01 30.20 LAU 2012 07 17 02 30.95 LAU 2012 07 17 03 32.00 LAU 2012 07 17 04 32.13 LAU 2012 07 17 05 31.33 LAU 2012 07 17 06 31.54 LAU 2012 07 17 07 30.90 LAU 2012 07 17 08 31.75 LAU 2012 07 17 09 30.80 LAU 2012 07 17 10 30.62 LAU 2012 07 17 11 29.89 LAU 2012 07 17 12 31.50 LAU 2012 07 17 13 31.58 LAU 2012 07 17 14 30.28 LAU 2012 07 17 15 31.11 LAU 2012 07 17 16 30.91 LAU 2012 07 17 17 29.97 LAU 2012 07 17 18 28.84 LAU 2012 07 17 19 27.93 LAU 2012 07 17 20 28.31 LAU 2012 07 17 21 26.20 LAU 2012 07 17 22 29.22 LAU 2012 07 17 23 32.20 LAU 2012 07 18 00 32.27 LAU 2012 07 18 01 33.55 LAU 2012 07 18 02 34.21 LAU 2012 07 18 03 33.41 LAU 2012 07 18 04 33.06 LAU 2012 07 18 05 32.12 LAU 2012 07 18 06 30.98 LAU 2012 07 18 07 31.76 LAU 2012 07 18 08 33.12 LAU 2012 07 18 09 33.43 LAU 2012 07 18 10 32.99 LAU 2012 07 18 11 30.08 LAU 2012 07 18 12 31.84 LAU 2012 07 18 13 30.55 LAU 2012 07 18 14 33.73 LAU 2012 07 18 15 32.20 LAU 2012 07 18 16 31.57 LAU 2012 07 18 17 32.95 LAU 2012 07 18 18 32.83 LAU 2012 07 18 19 33.17 LAU 2012 07 18 20 33.41 LAU 2012 07 18 21 34.06 LAU 2012 07 18 22 32.31 LAU 2012 07 18 23 25.62 LAU 2012 07 19 00 24.38 LAU 2012 07 19 01 26.14 LAU 2012 07 19 02 22.90 LAU 2012 07 19 03 20.11 LAU 2012 07 19 04 18.72 LAU 2012 07 19 05 18.31 LAU 2012 07 19 06 17.88 LAU 2012 07 19 07 16.72 LAU 2012 07 19 08 17.74 LAU 2012 07 19 09 18.60 LAU 2012 07 19 10 17.19 LAU 2012 07 19 11 17.61 LAU 2012 07 19 12 18.48 LAU 2012 07 19 13 18.53 LAU 2012 07 19 14 17.61 LAU 2012 07 19 15 15.48 LAU 2012 07 19 16 17.07 LAU 2012 07 19 17 17.01 LAU 2012 07 19 18 15.52 LAU 2012 07 19 19 13.76 LAU 2012 07 19 20 14.26 LAU 2012 07 19 21 15.00 LAU 2012 07 19 22 16.21 LAU 2012 07 19 23 17.42 LAU 2012 07 20 00 18.54 LAU 2012 07 20 01 20.60 LAU 2012 07 20 02 23.41 LAU 2012 07 20 03 25.67 LAU 2012 07 20 04 28.45 LAU 2012 07 20 05 25.77 LAU 2012 07 20 06 22.87 LAU 2012 07 20 07 22.85 LAU 2012 07 20 08 22.88 LAU 2012 07 20 09 22.86 LAU 2012 07 20 10 22.72 LAU 2012 07 20 11 30.38 LAU 2012 07 20 12 33.39 LAU 2012 07 20 13 33.80 LAU 2012 07 20 14 34.11 LAU 2012 07 20 15 33.17 LAU 2012 07 20 16 34.74 LAU 2012 07 20 17 33.56 LAU 2012 07 20 18 35.46 LAU 2012 07 20 19 33.50 LAU 2012 07 20 20 28.72 LAU 2012 07 20 21 27.94 LAU 2012 07 20 22 29.44 LAU 2012 07 20 23 31.49 LAU 2012 07 21 00 33.42 LAU 2012 07 21 01 33.33 LAU 2012 07 21 02 32.79 LAU 2012 07 21 03 30.60 LAU 2012 07 21 04 27.63 LAU 2012 07 21 05 23.65 LAU 2012 07 21 06 24.70 LAU 2012 07 21 07 21.42 LAU 2012 07 21 08 24.93 LAU 2012 07 21 09 24.50 LAU 2012 07 21 10 24.80 LAU 2012 07 21 11 23.00 LAU 2012 07 21 12 21.27 LAU 2012 07 21 13 20.09 LAU 2012 07 21 14 20.31 LAU 2012 07 21 15 17.31 LAU 2012 07 21 16 17.10 LAU 2012 07 21 17 15.02 LAU 2012 07 21 18 15.45 LAU 2012 07 21 19 12.95 LAU 2012 07 21 20 14.81 LAU 2012 07 21 21 13.67 LAU 2012 07 21 22 14.61 LAU 2012 07 21 23 18.24 LAU 2012 07 22 00 24.17 LAU 2012 07 22 01 28.00 LAU 2012 07 22 02 25.18 LAU 2012 07 22 03 26.07 LAU 2012 07 22 04 24.09 LAU 2012 07 22 05 22.68 LAU 2012 07 22 06 24.96 LAU 2012 07 22 07 21.14 LAU 2012 07 22 08 23.86 LAU 2012 07 22 09 25.53 LAU 2012 07 22 10 20.52 LAU 2012 07 22 11 19.45 LAU 2012 07 22 12 18.85 LAU 2012 07 22 13 15.61 LAU 2012 07 22 14 16.66 LAU 2012 07 22 15 13.45 LAU 2012 07 22 16 13.54 LAU 2012 07 22 17 13.14 LAU 2012 07 22 18 14.49 LAU 2012 07 22 19 15.26 LAU 2012 07 23 04 18.32 LAU 2012 07 23 05 17.19 LAU 2012 07 23 06 15.84 LAU 2012 07 23 07 15.11 LAU 2012 07 23 08 15.41 LAU 2012 07 23 09 13.42 LAU 2012 07 23 10 12.56 LAU 2012 07 23 11 11.81 LAU 2012 07 23 12 10.84 LAU 2012 07 23 13 8.19 LAU 2012 07 23 14 6.55 LAU 2012 07 23 15 5.56 LAU 2012 07 23 16 5.42 LAU 2012 07 23 17 4.21 LAU 2012 07 23 18 3.58 LAU 2012 07 23 19 4.66 LAU 2012 07 23 20 4.60 LAU 2012 07 23 21 5.52 LAU 2012 07 23 22 7.62 LAU 2012 07 23 23 9.72 LAU 2012 07 24 00 11.77 LAU 2012 07 24 01 14.39 LAU 2012 07 24 02 17.21 LAU 2012 07 24 03 17.64 LAU 2012 07 24 04 18.78 LAU 2012 07 24 05 18.82 LAU 2012 07 24 06 16.50 LAU 2012 07 24 07 14.72 LAU 2012 07 24 08 13.27 LAU 2012 07 24 09 11.17 LAU 2012 07 24 10 9.33 LAU 2012 07 24 11 8.28 LAU 2012 07 24 12 8.84 LAU 2012 07 24 13 9.18 LAU 2012 07 24 14 8.24 LAU 2012 07 24 15 8.44 LAU 2012 07 24 16 6.98 LAU 2012 07 24 17 6.30 LAU 2012 07 24 18 6.40 LAU 2012 07 24 19 5.64 LAU 2012 07 24 20 4.92 LAU 2012 07 24 21 7.34 LAU 2012 07 24 22 12.28 LAU 2012 07 24 23 13.25 LAU 2012 07 25 00 18.06 LAU 2012 07 25 01 24.61 LAU 2012 07 25 02 27.64 LAU 2012 07 25 03 27.36 LAU 2012 07 25 04 25.60 LAU 2012 07 25 05 24.53 LAU 2012 07 25 06 23.85 LAU 2012 07 25 07 21.86 LAU 2012 07 25 08 18.12 LAU 2012 07 25 09 16.35 LAU 2012 07 25 10 14.32 LAU 2012 07 25 11 13.48 LAU 2012 07 25 12 12.61 LAU 2012 07 25 13 13.37 LAU 2012 07 25 14 13.58 LAU 2012 07 25 15 12.77 LAU 2012 07 25 16 12.31 LAU 2012 07 25 17 12.80 LAU 2012 07 25 18 10.79 LAU 2012 07 25 19 10.24 LAU 2012 07 25 20 11.10 LAU 2012 07 25 21 10.43 LAU 2012 07 25 22 13.95 LAU 2012 07 25 23 17.60 LAU 2012 07 26 00 22.66 LAU 2012 07 26 01 23.66 LAU 2012 07 26 02 23.55 LAU 2012 07 26 03 24.58 LAU 2012 07 26 04 22.80 LAU 2012 07 26 05 23.02 LAU 2012 07 26 06 18.30 LAU 2012 07 26 07 9.84 LAU 2012 07 26 08 9.14 LAU 2012 07 26 09 8.59 LAU 2012 07 26 10 10.57 LAU 2012 07 26 11 10.61 LAU 2012 07 26 12 9.75 LAU 2012 07 26 13 10.94 LAU 2012 07 26 14 11.32 LAU 2012 07 26 15 10.43 LAU 2012 07 26 16 10.50 LAU 2012 07 26 17 8.84 LAU 2012 07 26 18 10.43 LAU 2012 07 26 19 9.19 LAU 2012 07 26 20 9.20 LAU 2012 07 26 21 9.95 LAU 2012 07 26 22 12.24 LAU 2012 07 26 23 17.86 LAU 2012 07 27 00 18.92 LAU 2012 07 27 01 21.28 LAU 2012 07 27 02 23.23 LAU 2012 07 27 03 23.42 LAU 2012 07 27 04 20.92 LAU 2012 07 27 05 20.59 LAU 2012 07 27 06 18.29 LAU 2012 07 27 07 13.81 LAU 2012 07 27 08 12.71 LAU 2012 07 27 09 10.76 LAU 2012 07 27 10 9.02 LAU 2012 07 27 11 10.24 LAU 2012 07 27 12 10.13 LAU 2012 07 27 13 9.01 LAU 2012 07 27 14 10.67 LAU 2012 07 27 15 11.11 LAU 2012 07 27 16 11.03 LAU 2012 07 27 17 9.40 LAU 2012 07 27 18 10.71 LAU 2012 07 27 19 10.73 LAU 2012 07 27 20 9.83 LAU 2012 07 27 21 12.87 LAU 2012 07 27 22 12.43 LAU 2012 07 27 23 14.10 LAU 2012 07 28 00 21.06 LAU 2012 07 28 01 28.70 LAU 2012 07 28 02 29.37 LAU 2012 07 28 03 28.65 LAU 2012 07 28 04 26.26 LAU 2012 07 28 05 26.53 LAU 2012 07 28 06 27.44 LAU 2012 07 28 07 25.98 LAU 2012 07 28 08 23.18 LAU 2012 07 28 09 21.15 LAU 2012 07 28 10 17.88 LAU 2012 07 28 11 18.15 LAU 2012 07 28 12 19.03 LAU 2012 07 28 13 23.85 LAU 2012 07 28 14 27.02 LAU 2012 07 28 15 28.27 LAU 2012 07 28 16 27.68 LAU 2012 07 28 17 26.39 LAU 2012 07 28 18 25.01 LAU 2012 07 28 19 24.12 LAU 2012 07 28 20 24.36 LAU 2012 07 28 21 22.51 LAU 2012 07 28 22 21.10 LAU 2012 07 28 23 22.85 LAU 2012 07 29 00 26.26 LAU 2012 07 29 01 25.92 LAU 2012 07 29 02 24.53 LAU 2012 07 29 03 24.64 LAU 2012 07 29 04 27.01 LAU 2012 07 29 05 25.58 LAU 2012 07 29 06 25.28 LAU 2012 07 29 07 25.94 LAU 2012 07 29 08 25.50 LAU 2012 07 29 09 25.93 LAU 2012 07 29 10 23.88 LAU 2012 07 29 11 22.68 LAU 2012 07 29 12 19.72 LAU 2012 07 29 13 16.27 LAU 2012 07 29 14 14.92 LAU 2012 07 29 15 12.85 LAU 2012 07 29 16 15.68 LAU 2012 07 29 17 15.38 LAU 2012 07 29 18 11.73 LAU 2012 07 29 19 11.51 LAU 2012 07 29 20 8.78 LAU 2012 07 29 21 5.32 LAU 2012 07 29 22 8.39 LAU 2012 07 29 23 8.34 LAU 2012 07 30 00 11.36 LAU 2012 07 30 01 15.41 LAU 2012 07 30 02 18.45 LAU 2012 07 30 03 20.86 LAU 2012 07 30 04 18.37 LAU 2012 07 30 05 20.99 LAU 2012 07 30 06 16.39 LAU 2012 07 30 07 14.38 LAU 2012 07 30 08 16.60 LAU 2012 07 30 09 16.96 LAU 2012 07 30 10 18.77 LAU 2012 07 30 11 21.60 LAU 2012 07 30 12 28.93 LAU 2012 07 30 13 32.54 LAU 2012 07 30 14 32.87 LAU 2012 07 30 15 30.81 LAU 2012 07 30 16 30.72 LAU 2012 07 30 17 30.58 LAU 2012 07 30 18 30.34 LAU 2012 07 30 19 30.36 LAU 2012 07 30 20 30.82 LAU 2012 07 30 21 30.28 LAU 2012 07 30 22 30.35 LAU 2012 07 30 23 30.40 LAU 2012 07 31 00 29.82 LAU 2012 07 31 01 31.67 LAU 2012 07 31 02 31.26 LAU 2012 07 31 03 31.11 LAU 2012 07 31 04 30.65 LAU 2012 07 31 05 30.31 LAU 2012 07 31 06 29.77 LAU 2012 07 31 07 30.45 LAU 2012 07 31 08 30.59 LAU 2012 07 31 09 29.72 LAU 2012 07 31 10 30.26 LAU 2012 07 31 11 29.81 LAU 2012 07 31 12 29.08 LAU 2012 07 31 13 27.07 LAU 2012 07 31 14 27.74 LAU 2012 07 31 15 29.51 LAU 2012 07 31 16 29.49 LAU 2012 07 31 17 29.06 LAU 2012 07 31 18 27.30 LAU 2012 07 31 19 28.69 LAU 2012 07 31 21 29.50 LAU 2012 07 31 22 31.02 LAU 2012 07 31 23 30.65