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 12 01 00 24.12 LAU 2012 12 01 01 26.52 LAU 2012 12 01 02 24.03 LAU 2012 12 01 03 22.40 LAU 2012 12 01 04 23.39 LAU 2012 12 01 05 21.96 LAU 2012 12 01 06 20.60 LAU 2012 12 01 07 22.00 LAU 2012 12 01 08 20.89 LAU 2012 12 01 09 18.87 LAU 2012 12 01 10 18.66 LAU 2012 12 01 11 21.05 LAU 2012 12 01 12 21.93 LAU 2012 12 01 13 21.17 LAU 2012 12 01 14 21.17 LAU 2012 12 01 15 21.40 LAU 2012 12 01 16 22.10 LAU 2012 12 01 17 22.16 LAU 2012 12 01 18 25.45 LAU 2012 12 01 19 28.99 LAU 2012 12 01 20 29.92 LAU 2012 12 01 21 29.76 LAU 2012 12 01 22 29.66 LAU 2012 12 01 23 29.82 LAU 2012 12 02 00 29.58 LAU 2012 12 02 01 29.28 LAU 2012 12 02 02 32.33 LAU 2012 12 02 03 31.96 LAU 2012 12 02 04 30.24 LAU 2012 12 02 05 30.74 LAU 2012 12 02 06 29.27 LAU 2012 12 02 07 26.96 LAU 2012 12 02 08 25.60 LAU 2012 12 02 09 19.81 LAU 2012 12 02 10 16.21 LAU 2012 12 02 11 15.77 LAU 2012 12 02 12 13.63 LAU 2012 12 02 13 13.70 LAU 2012 12 02 14 12.49 LAU 2012 12 02 15 16.61 LAU 2012 12 02 16 16.17 LAU 2012 12 02 17 15.16 LAU 2012 12 02 18 20.11 LAU 2012 12 02 19 21.81 LAU 2012 12 02 20 22.08 LAU 2012 12 02 21 22.30 LAU 2012 12 02 22 22.95 LAU 2012 12 03 03 23.56 LAU 2012 12 03 04 23.23 LAU 2012 12 03 05 22.22 LAU 2012 12 03 06 21.43 LAU 2012 12 03 07 18.96 LAU 2012 12 03 08 16.92 LAU 2012 12 03 09 15.97 LAU 2012 12 03 10 12.78 LAU 2012 12 03 11 13.24 LAU 2012 12 03 12 23.35 LAU 2012 12 03 13 22.94 LAU 2012 12 03 14 24.45 LAU 2012 12 03 15 23.92 LAU 2012 12 03 16 23.86 LAU 2012 12 03 17 22.75 LAU 2012 12 03 18 21.71 LAU 2012 12 03 19 22.66 LAU 2012 12 03 20 23.75 LAU 2012 12 03 21 25.16 LAU 2012 12 03 22 25.80 LAU 2012 12 03 23 25.77 LAU 2012 12 04 00 26.52 LAU 2012 12 04 01 27.50 LAU 2012 12 04 02 27.73 LAU 2012 12 04 03 27.24 LAU 2012 12 04 04 26.22 LAU 2012 12 04 05 26.92 LAU 2012 12 04 06 25.72 LAU 2012 12 04 07 20.58 LAU 2012 12 04 08 21.05 LAU 2012 12 04 09 19.88 LAU 2012 12 04 10 16.78 LAU 2012 12 04 11 15.31 LAU 2012 12 04 12 12.91 LAU 2012 12 04 13 11.78 LAU 2012 12 04 14 13.26 LAU 2012 12 04 15 10.96 LAU 2012 12 04 16 16.36 LAU 2012 12 04 17 28.85 LAU 2012 12 04 18 28.98 LAU 2012 12 04 19 26.42 LAU 2012 12 04 20 23.78 LAU 2012 12 04 21 25.09 LAU 2012 12 04 22 29.34 LAU 2012 12 04 23 28.10 LAU 2012 12 05 00 25.21 LAU 2012 12 05 01 25.35 LAU 2012 12 05 02 25.72 LAU 2012 12 05 03 25.16 LAU 2012 12 05 04 24.58 LAU 2012 12 05 05 24.09 LAU 2012 12 05 06 23.22 LAU 2012 12 05 07 22.88 LAU 2012 12 05 08 21.97 LAU 2012 12 05 09 21.38 LAU 2012 12 05 10 22.14 LAU 2012 12 05 11 22.35 LAU 2012 12 05 12 22.09 LAU 2012 12 05 13 21.67 LAU 2012 12 05 14 19.74 LAU 2012 12 05 15 18.25 LAU 2012 12 05 16 15.94 LAU 2012 12 05 17 14.33 LAU 2012 12 05 18 12.41 LAU 2012 12 05 19 13.70 LAU 2012 12 05 20 18.03 LAU 2012 12 05 21 21.90 LAU 2012 12 05 22 21.61 LAU 2012 12 05 23 21.00 LAU 2012 12 06 00 20.94 LAU 2012 12 06 01 21.42 LAU 2012 12 06 02 21.11 LAU 2012 12 06 03 21.69 LAU 2012 12 06 04 21.41 LAU 2012 12 06 05 20.98 LAU 2012 12 06 06 20.15 LAU 2012 12 06 07 19.56 LAU 2012 12 06 08 19.16 LAU 2012 12 06 09 19.60 LAU 2012 12 06 10 19.49 LAU 2012 12 06 11 19.54 LAU 2012 12 06 12 16.85 LAU 2012 12 06 13 14.91 LAU 2012 12 06 14 16.48 LAU 2012 12 06 15 15.32 LAU 2012 12 06 16 14.72 LAU 2012 12 06 17 16.04 LAU 2012 12 06 18 15.79 LAU 2012 12 06 19 16.23 LAU 2012 12 06 20 17.34 LAU 2012 12 06 21 17.69 LAU 2012 12 06 22 17.76 LAU 2012 12 06 23 18.84 LAU 2012 12 07 00 19.67 LAU 2012 12 07 01 18.67 LAU 2012 12 07 02 18.08 LAU 2012 12 07 03 17.70 LAU 2012 12 07 04 17.89 LAU 2012 12 07 05 18.11 LAU 2012 12 07 06 18.55 LAU 2012 12 07 07 17.18 LAU 2012 12 07 08 16.11 LAU 2012 12 07 09 16.27 LAU 2012 12 07 10 14.93 LAU 2012 12 07 11 14.72 LAU 2012 12 07 12 13.94 LAU 2012 12 07 13 11.84 LAU 2012 12 07 14 12.12 LAU 2012 12 07 15 7.07 LAU 2012 12 07 16 7.24 LAU 2012 12 07 17 9.04 LAU 2012 12 07 18 9.88 LAU 2012 12 07 19 13.08 LAU 2012 12 07 20 16.19 LAU 2012 12 07 21 16.95 LAU 2012 12 07 22 16.94 LAU 2012 12 07 23 17.62 LAU 2012 12 08 00 17.63 LAU 2012 12 08 01 17.53 LAU 2012 12 08 02 17.18 LAU 2012 12 08 03 17.20 LAU 2012 12 08 04 16.94 LAU 2012 12 08 05 15.75 LAU 2012 12 08 06 13.23 LAU 2012 12 08 07 11.22 LAU 2012 12 08 08 9.27 LAU 2012 12 08 09 7.67 LAU 2012 12 08 10 5.94 LAU 2012 12 08 11 4.99 LAU 2012 12 08 12 6.48 LAU 2012 12 08 13 5.42 LAU 2012 12 08 14 4.01 LAU 2012 12 08 15 2.84 LAU 2012 12 08 16 2.29 LAU 2012 12 08 17 3.78 LAU 2012 12 08 18 4.03 LAU 2012 12 08 19 4.50 LAU 2012 12 08 20 7.94 LAU 2012 12 08 21 15.52 LAU 2012 12 08 22 21.59 LAU 2012 12 08 23 22.52 LAU 2012 12 09 00 22.84 LAU 2012 12 09 01 23.06 LAU 2012 12 09 02 22.95 LAU 2012 12 09 03 22.14 LAU 2012 12 09 04 21.39 LAU 2012 12 09 05 20.46 LAU 2012 12 09 06 19.40 LAU 2012 12 09 07 16.17 LAU 2012 12 09 08 16.10 LAU 2012 12 09 09 17.08 LAU 2012 12 09 10 16.43 LAU 2012 12 09 11 16.25 LAU 2012 12 09 12 18.79 LAU 2012 12 09 13 15.11 LAU 2012 12 09 14 16.27 LAU 2012 12 09 15 19.60 LAU 2012 12 09 16 18.99 LAU 2012 12 09 17 19.26