These data are made available to the scientific community and public with the understanding that authors of publications and presentations will contact the PI to obtain up-to-date information on the latest version of the data during the early stages of their analysis. Manuscripts that employ these data should be reviewed by the PI before submission to ensure the quality and limitations of the data are represented. Data Disclaimer: Data has undergone extensive quality checks and is available from NOAA-GMD and WDCGG. However, there still exists the potential for these data to be modified at the discretion of NOAA/ESRL Global Monitoring Division. If you have questions regarding the data in this file, please contact: Audra McClure-Begley: Audra.mcclure@noaa.gov (303-497-6823) Please use the following citation for data use: McClure-Begley, A., Petropavlovskikh, I., Oltmans, S., (2014) NOAA Global Monitoring Surface Ozone Network. Station name, Time start-Time end. National Oceanic and Atmospheric Administration, Earth Systems Research Laboratory Global Monitoring Division. Boulder, CO. DATE ACCESSED http://dx.doi.org/10.7289/V57P8WBF STN YEAR MON DAY HR O3(PPB) SUM 2012 06 01 00 55.24 SUM 2012 06 01 01 54.71 SUM 2012 06 01 02 54.72 SUM 2012 06 01 03 54.41 SUM 2012 06 01 04 54.73 SUM 2012 06 01 05 54.96 SUM 2012 06 01 06 54.75 SUM 2012 06 01 07 55.35 SUM 2012 06 01 08 57.12 SUM 2012 06 01 09 57.95 SUM 2012 06 01 10 58.11 SUM 2012 06 01 11 60.53 SUM 2012 06 01 12 59.10 SUM 2012 06 01 13 57.31 SUM 2012 06 01 14 56.45 SUM 2012 06 01 15 57.22 SUM 2012 06 01 16 57.46 SUM 2012 06 01 17 58.44 SUM 2012 06 01 18 60.20 SUM 2012 06 01 19 61.50 SUM 2012 06 01 20 61.67 SUM 2012 06 01 21 63.60 SUM 2012 06 01 22 65.90 SUM 2012 06 01 23 65.33 SUM 2012 06 02 00 64.88 SUM 2012 06 02 01 60.45 SUM 2012 06 02 02 61.84 SUM 2012 06 02 03 60.11 SUM 2012 06 02 04 60.32 SUM 2012 06 02 05 60.37 SUM 2012 06 02 06 60.36 SUM 2012 06 02 07 60.49 SUM 2012 06 02 08 60.16 SUM 2012 06 02 09 59.41 SUM 2012 06 02 10 60.80 SUM 2012 06 02 11 61.68 SUM 2012 06 02 12 61.83 SUM 2012 06 02 13 61.91 SUM 2012 06 02 14 61.61 SUM 2012 06 02 15 61.78 SUM 2012 06 02 16 61.73 SUM 2012 06 02 17 60.92 SUM 2012 06 02 18 60.94 SUM 2012 06 02 19 60.96 SUM 2012 06 02 20 60.79 SUM 2012 06 02 21 60.99 SUM 2012 06 02 22 60.57 SUM 2012 06 02 23 59.95 SUM 2012 06 03 00 58.94 SUM 2012 06 03 01 56.95 SUM 2012 06 03 02 56.12 SUM 2012 06 03 03 56.71 SUM 2012 06 03 04 57.17 SUM 2012 06 03 05 57.19 SUM 2012 06 03 06 56.37 SUM 2012 06 03 07 55.64 SUM 2012 06 03 08 55.78 SUM 2012 06 03 09 55.49 SUM 2012 06 03 10 55.92 SUM 2012 06 03 11 55.45 SUM 2012 06 03 12 55.23 SUM 2012 06 03 13 54.85 SUM 2012 06 03 14 54.55 SUM 2012 06 03 15 54.81 SUM 2012 06 03 16 55.12 SUM 2012 06 03 17 54.83 SUM 2012 06 03 18 54.37 SUM 2012 06 03 19 54.04 SUM 2012 06 03 20 54.27 SUM 2012 06 03 21 54.46 SUM 2012 06 03 22 54.61 SUM 2012 06 03 23 53.15 SUM 2012 06 04 00 54.63 SUM 2012 06 04 01 54.41 SUM 2012 06 04 02 54.29 SUM 2012 06 04 03 54.86 SUM 2012 06 04 04 56.40 SUM 2012 06 04 05 56.19 SUM 2012 06 04 06 56.86 SUM 2012 06 04 07 57.04 SUM 2012 06 04 08 56.85 SUM 2012 06 04 09 56.33 SUM 2012 06 04 10 55.97 SUM 2012 06 04 14 57.13 SUM 2012 06 04 15 53.85 SUM 2012 06 04 16 54.57 SUM 2012 06 04 17 54.86 SUM 2012 06 04 18 55.12 SUM 2012 06 04 19 54.86 SUM 2012 06 04 20 55.49 SUM 2012 06 04 21 56.00 SUM 2012 06 04 22 56.25 SUM 2012 06 04 23 55.94 SUM 2012 06 05 00 56.05 SUM 2012 06 05 01 55.85 SUM 2012 06 05 02 55.97 SUM 2012 06 05 03 56.22 SUM 2012 06 05 04 55.73 SUM 2012 06 05 05 56.56 SUM 2012 06 05 06 58.37 SUM 2012 06 05 07 59.80 SUM 2012 06 05 08 60.86 SUM 2012 06 05 09 60.30 SUM 2012 06 05 10 60.58 SUM 2012 06 05 11 59.44 SUM 2012 06 05 12 59.98 SUM 2012 06 05 13 61.20 SUM 2012 06 05 14 62.44 SUM 2012 06 05 15 62.76 SUM 2012 06 05 16 63.07 SUM 2012 06 05 17 64.10 SUM 2012 06 05 18 64.83 SUM 2012 06 05 19 63.02 SUM 2012 06 05 20 62.78 SUM 2012 06 05 21 62.80 SUM 2012 06 05 22 62.60 SUM 2012 06 05 23 63.84 SUM 2012 06 06 00 62.63 SUM 2012 06 06 01 60.18 SUM 2012 06 06 02 56.82 SUM 2012 06 06 03 54.16 SUM 2012 06 06 04 52.94 SUM 2012 06 06 05 52.56 SUM 2012 06 06 06 52.56 SUM 2012 06 06 07 53.76 SUM 2012 06 06 08 56.19 SUM 2012 06 06 09 55.92 SUM 2012 06 06 10 55.45 SUM 2012 06 06 11 55.70 SUM 2012 06 06 12 55.47 SUM 2012 06 06 13 55.59 SUM 2012 06 06 14 55.18 SUM 2012 06 06 15 54.84 SUM 2012 06 06 16 54.70 SUM 2012 06 06 17 54.63 SUM 2012 06 06 18 54.04 SUM 2012 06 06 19 53.75 SUM 2012 06 06 20 53.90 SUM 2012 06 06 21 53.98 SUM 2012 06 06 22 51.79 SUM 2012 06 06 23 49.46 SUM 2012 06 07 00 46.47 SUM 2012 06 07 01 45.48 SUM 2012 06 07 02 45.76 SUM 2012 06 07 03 45.97 SUM 2012 06 07 04 45.75 SUM 2012 06 07 05 47.76 SUM 2012 06 07 06 48.41 SUM 2012 06 07 07 48.16 SUM 2012 06 07 08 50.10 SUM 2012 06 07 09 55.77 SUM 2012 06 07 10 56.05 SUM 2012 06 07 11 55.81 SUM 2012 06 07 12 57.47 SUM 2012 06 07 13 57.13 SUM 2012 06 07 14 57.37 SUM 2012 06 07 15 56.05 SUM 2012 06 07 16 55.53 SUM 2012 06 07 17 55.87 SUM 2012 06 07 18 55.60 SUM 2012 06 07 19 53.97 SUM 2012 06 07 20 52.88 SUM 2012 06 07 21 53.54 SUM 2012 06 07 22 54.44 SUM 2012 06 07 23 53.87 SUM 2012 06 08 00 53.14 SUM 2012 06 08 01 50.60 SUM 2012 06 08 02 52.05 SUM 2012 06 08 03 51.77 SUM 2012 06 08 04 52.68 SUM 2012 06 08 05 51.43 SUM 2012 06 08 06 51.31 SUM 2012 06 08 07 50.08 SUM 2012 06 08 08 50.07 SUM 2012 06 08 09 49.56 SUM 2012 06 08 10 50.40 SUM 2012 06 08 11 49.93 SUM 2012 06 08 12 50.28 SUM 2012 06 08 13 50.08 SUM 2012 06 08 14 50.08 SUM 2012 06 08 15 49.95 SUM 2012 06 08 16 49.48 SUM 2012 06 08 17 49.46 SUM 2012 06 08 18 49.27 SUM 2012 06 08 19 48.99 SUM 2012 06 08 20 49.13 SUM 2012 06 08 21 48.84 SUM 2012 06 08 22 48.81 SUM 2012 06 08 23 48.90 SUM 2012 06 09 00 48.50 SUM 2012 06 09 01 48.27 SUM 2012 06 09 02 48.04 SUM 2012 06 09 03 47.68 SUM 2012 06 09 04 48.16 SUM 2012 06 09 05 48.50 SUM 2012 06 09 06 49.11 SUM 2012 06 09 07 49.47 SUM 2012 06 09 08 49.04 SUM 2012 06 09 09 48.83 SUM 2012 06 09 10 49.74 SUM 2012 06 09 11 50.23 SUM 2012 06 09 12 50.83 SUM 2012 06 09 13 50.87 SUM 2012 06 09 14 51.40 SUM 2012 06 09 15 51.13 SUM 2012 06 09 16 51.03 SUM 2012 06 09 17 50.86 SUM 2012 06 09 18 50.31 SUM 2012 06 09 19 49.76 SUM 2012 06 09 20 49.46 SUM 2012 06 09 21 48.98 SUM 2012 06 09 22 48.62 SUM 2012 06 09 23 48.66 SUM 2012 06 10 00 48.50 SUM 2012 06 10 01 48.59 SUM 2012 06 10 02 48.67 SUM 2012 06 10 03 49.10 SUM 2012 06 10 04 50.38 SUM 2012 06 10 05 50.41 SUM 2012 06 10 06 51.74 SUM 2012 06 10 07 53.19 SUM 2012 06 10 08 54.16 SUM 2012 06 10 09 53.81 SUM 2012 06 10 10 53.71 SUM 2012 06 10 11 53.82 SUM 2012 06 10 12 53.24 SUM 2012 06 10 13 53.43 SUM 2012 06 10 14 53.17 SUM 2012 06 10 15 52.34 SUM 2012 06 10 16 52.75 SUM 2012 06 10 17 52.40 SUM 2012 06 10 18 51.63 SUM 2012 06 10 19 52.26 SUM 2012 06 10 20 52.77 SUM 2012 06 10 21 52.44 SUM 2012 06 10 22 52.37 SUM 2012 06 10 23 52.29 SUM 2012 06 11 00 52.33 SUM 2012 06 11 01 52.25 SUM 2012 06 11 02 52.14 SUM 2012 06 11 03 51.77 SUM 2012 06 11 04 51.91 SUM 2012 06 11 05 51.67 SUM 2012 06 11 06 51.81 SUM 2012 06 11 07 51.81 SUM 2012 06 11 08 51.36 SUM 2012 06 11 09 51.86 SUM 2012 06 11 10 51.70 SUM 2012 06 11 11 51.93 SUM 2012 06 11 12 52.04 SUM 2012 06 11 13 51.68 SUM 2012 06 11 14 51.61 SUM 2012 06 11 15 51.69 SUM 2012 06 11 16 51.21 SUM 2012 06 17 04 52.91 SUM 2012 06 17 05 54.61 SUM 2012 06 17 06 56.12 SUM 2012 06 17 07 57.86 SUM 2012 06 17 08 55.23 SUM 2012 06 17 09 54.56 SUM 2012 06 17 10 55.50 SUM 2012 06 17 11 57.53 SUM 2012 06 17 12 56.31 SUM 2012 06 17 13 54.01 SUM 2012 06 17 14 50.66 SUM 2012 06 17 15 48.12 SUM 2012 06 17 16 47.81 SUM 2012 06 17 17 47.05 SUM 2012 06 17 18 45.13 SUM 2012 06 17 19 44.23 SUM 2012 06 17 20 43.42 SUM 2012 06 17 21 46.14 SUM 2012 06 17 22 46.94 SUM 2012 06 17 23 48.25 SUM 2012 06 18 00 46.72 SUM 2012 06 18 01 45.31 SUM 2012 06 18 02 44.53 SUM 2012 06 18 03 41.69 SUM 2012 06 18 04 41.54 SUM 2012 06 18 05 41.22 SUM 2012 06 18 06 40.91 SUM 2012 06 18 07 40.08 SUM 2012 06 18 08 39.52 SUM 2012 06 18 09 39.84 SUM 2012 06 18 10 40.17 SUM 2012 06 18 11 40.07 SUM 2012 06 18 14 41.46 SUM 2012 06 18 15 40.85 SUM 2012 06 18 16 40.88 SUM 2012 06 18 17 45.28 SUM 2012 06 18 18 53.37 SUM 2012 06 18 19 52.83 SUM 2012 06 18 20 49.00 SUM 2012 06 18 21 47.62 SUM 2012 06 18 22 47.02 SUM 2012 06 18 23 45.72 SUM 2012 06 19 00 47.46 SUM 2012 06 19 01 47.75 SUM 2012 06 19 02 48.18 SUM 2012 06 19 03 48.37 SUM 2012 06 19 04 47.94 SUM 2012 06 19 05 48.76 SUM 2012 06 19 06 48.72 SUM 2012 06 19 07 46.59 SUM 2012 06 19 08 44.39 SUM 2012 06 19 09 44.57 SUM 2012 06 19 10 45.73 SUM 2012 06 19 11 47.47 SUM 2012 06 19 12 46.83 SUM 2012 06 19 13 47.53 SUM 2012 06 19 14 48.73 SUM 2012 06 19 15 51.24 SUM 2012 06 19 16 48.96 SUM 2012 06 19 17 49.86 SUM 2012 06 19 18 51.09 SUM 2012 06 19 19 52.96 SUM 2012 06 19 20 52.02 SUM 2012 06 19 21 52.87 SUM 2012 06 19 22 53.98 SUM 2012 06 19 23 55.27 SUM 2012 06 20 00 54.97 SUM 2012 06 20 01 54.01 SUM 2012 06 20 02 52.67 SUM 2012 06 20 03 52.41 SUM 2012 06 20 04 51.98 SUM 2012 06 20 05 49.96 SUM 2012 06 20 06 49.33 SUM 2012 06 20 07 49.80 SUM 2012 06 20 08 51.14 SUM 2012 06 20 09 51.56 SUM 2012 06 20 10 51.23 SUM 2012 06 20 11 51.43 SUM 2012 06 20 12 51.34 SUM 2012 06 20 13 50.00 SUM 2012 06 20 14 48.99 SUM 2012 06 20 15 48.53 SUM 2012 06 20 16 48.96 SUM 2012 06 20 17 49.01 SUM 2012 06 20 18 49.24 SUM 2012 06 20 19 49.06 SUM 2012 06 20 20 48.80 SUM 2012 06 20 21 49.05 SUM 2012 06 20 22 49.85 SUM 2012 06 20 23 49.99 SUM 2012 06 21 00 49.54 SUM 2012 06 21 01 50.16 SUM 2012 06 21 02 50.14 SUM 2012 06 21 03 51.76 SUM 2012 06 21 04 57.79 SUM 2012 06 21 05 58.34 SUM 2012 06 21 06 57.07 SUM 2012 06 21 07 58.25 SUM 2012 06 21 08 58.63 SUM 2012 06 21 09 58.19 SUM 2012 06 21 10 57.03 SUM 2012 06 21 11 57.11 SUM 2012 06 21 12 57.36 SUM 2012 06 21 13 57.01 SUM 2012 06 21 14 54.52 SUM 2012 06 21 15 55.50 SUM 2012 06 21 16 53.49 SUM 2012 06 21 17 55.44 SUM 2012 06 21 18 57.41 SUM 2012 06 21 19 58.72 SUM 2012 06 21 20 56.69 SUM 2012 06 21 21 57.01 SUM 2012 06 21 22 58.41 SUM 2012 06 21 23 59.75 SUM 2012 06 22 00 58.55 SUM 2012 06 22 01 60.90 SUM 2012 06 22 02 61.67 SUM 2012 06 22 03 59.83 SUM 2012 06 22 04 58.12 SUM 2012 06 22 05 57.44 SUM 2012 06 22 06 57.25 SUM 2012 06 22 07 57.70 SUM 2012 06 22 08 58.28 SUM 2012 06 22 09 58.28 SUM 2012 06 22 10 58.57 SUM 2012 06 22 11 58.65 SUM 2012 06 22 12 59.32 SUM 2012 06 22 13 58.76 SUM 2012 06 22 14 58.11 SUM 2012 06 22 15 58.10 SUM 2012 06 22 16 57.47 SUM 2012 06 22 17 57.20 SUM 2012 06 22 18 57.52 SUM 2012 06 22 19 57.79 SUM 2012 06 22 20 57.05 SUM 2012 06 22 21 56.58 SUM 2012 06 22 22 54.89 SUM 2012 06 22 23 53.70 SUM 2012 06 23 00 57.63 SUM 2012 06 23 01 55.15 SUM 2012 06 23 02 55.27 SUM 2012 06 23 03 54.78 SUM 2012 06 23 04 53.41 SUM 2012 06 23 05 53.46 SUM 2012 06 23 06 53.89 SUM 2012 06 23 07 53.60 SUM 2012 06 23 08 53.12 SUM 2012 06 23 09 54.55 SUM 2012 06 23 10 55.87 SUM 2012 06 23 11 55.61 SUM 2012 06 23 12 54.78 SUM 2012 06 23 13 54.78 SUM 2012 06 23 14 53.06 SUM 2012 06 23 15 52.63 SUM 2012 06 23 16 51.76 SUM 2012 06 23 17 52.03 SUM 2012 06 23 18 52.25 SUM 2012 06 23 19 51.88 SUM 2012 06 23 20 51.18 SUM 2012 06 23 21 51.18 SUM 2012 06 23 22 51.20 SUM 2012 06 23 23 50.70 SUM 2012 06 24 00 50.91 SUM 2012 06 24 01 51.62 SUM 2012 06 24 02 51.68 SUM 2012 06 24 03 51.47 SUM 2012 06 24 04 51.63 SUM 2012 06 24 05 52.16 SUM 2012 06 24 06 53.11 SUM 2012 06 24 07 53.38 SUM 2012 06 24 08 53.65 SUM 2012 06 24 09 54.36 SUM 2012 06 24 10 54.88 SUM 2012 06 24 11 55.27 SUM 2012 06 24 12 55.04 SUM 2012 06 24 13 55.03 SUM 2012 06 24 14 55.79 SUM 2012 06 24 15 57.49 SUM 2012 06 24 16 55.28 SUM 2012 06 24 17 52.49 SUM 2012 06 24 18 50.23 SUM 2012 06 24 19 50.11 SUM 2012 06 24 20 49.75 SUM 2012 06 24 21 49.92 SUM 2012 06 24 22 49.92 SUM 2012 06 24 23 49.79 SUM 2012 06 25 00 48.89 SUM 2012 06 25 01 49.08 SUM 2012 06 25 02 51.21 SUM 2012 06 25 03 52.53 SUM 2012 06 25 04 53.59 SUM 2012 06 25 05 53.69 SUM 2012 06 25 06 54.13 SUM 2012 06 25 07 54.88 SUM 2012 06 25 08 54.25 SUM 2012 06 25 09 54.29 SUM 2012 06 25 10 56.04 SUM 2012 06 25 11 56.81 SUM 2012 06 25 15 54.09 SUM 2012 06 25 16 53.43 SUM 2012 06 25 17 51.84 SUM 2012 06 25 18 52.26 SUM 2012 06 25 19 51.71 SUM 2012 06 25 20 49.73 SUM 2012 06 25 21 51.15 SUM 2012 06 25 22 50.92 SUM 2012 06 25 23 49.71 SUM 2012 06 26 00 49.99 SUM 2012 06 26 01 50.19 SUM 2012 06 26 02 49.47 SUM 2012 06 26 03 49.28 SUM 2012 06 26 04 48.27 SUM 2012 06 26 05 47.97 SUM 2012 06 26 06 48.06 SUM 2012 06 26 07 49.51 SUM 2012 06 26 08 48.79 SUM 2012 06 26 09 48.71 SUM 2012 06 26 10 47.86 SUM 2012 06 26 11 46.53 SUM 2012 06 26 12 45.39 SUM 2012 06 26 13 44.20 SUM 2012 06 26 14 43.97 SUM 2012 06 26 15 45.62 SUM 2012 06 26 16 45.73 SUM 2012 06 26 17 44.98 SUM 2012 06 26 18 45.57 SUM 2012 06 26 19 43.59 SUM 2012 06 26 20 43.70 SUM 2012 06 26 21 43.00 SUM 2012 06 26 22 40.98 SUM 2012 06 26 23 47.89 SUM 2012 06 27 00 55.74 SUM 2012 06 27 01 51.72 SUM 2012 06 27 02 48.85 SUM 2012 06 27 03 47.03 SUM 2012 06 27 04 45.56 SUM 2012 06 27 05 42.06 SUM 2012 06 27 06 38.75 SUM 2012 06 27 07 38.26 SUM 2012 06 27 08 38.12 SUM 2012 06 27 09 38.24 SUM 2012 06 27 10 38.17 SUM 2012 06 27 11 37.74 SUM 2012 06 27 12 37.70 SUM 2012 06 27 13 37.49 SUM 2012 06 27 14 37.43 SUM 2012 06 27 15 37.78 SUM 2012 06 27 16 37.55 SUM 2012 06 27 17 37.58 SUM 2012 06 27 18 38.41 SUM 2012 06 27 19 39.81 SUM 2012 06 27 20 39.85 SUM 2012 06 27 21 44.27 SUM 2012 06 27 22 48.07 SUM 2012 06 27 23 48.42 SUM 2012 06 28 00 49.36 SUM 2012 06 28 01 49.59 SUM 2012 06 28 02 49.44 SUM 2012 06 28 03 51.16 SUM 2012 06 28 04 52.75 SUM 2012 06 28 05 53.05 SUM 2012 06 28 06 53.31 SUM 2012 06 28 07 52.77 SUM 2012 06 28 08 52.44 SUM 2012 06 28 09 52.39 SUM 2012 06 28 10 52.84 SUM 2012 06 28 11 52.68 SUM 2012 06 28 12 52.26 SUM 2012 06 28 13 52.98 SUM 2012 06 28 14 53.32 SUM 2012 06 28 15 53.51 SUM 2012 06 28 16 53.91 SUM 2012 06 28 17 54.07 SUM 2012 06 28 18 53.85 SUM 2012 06 28 19 53.64 SUM 2012 06 28 20 53.40 SUM 2012 06 28 21 53.07 SUM 2012 06 28 22 53.22 SUM 2012 06 28 23 52.76 SUM 2012 06 29 00 54.67 SUM 2012 06 29 01 54.53 SUM 2012 06 29 02 54.57 SUM 2012 06 29 03 53.94 SUM 2012 06 29 04 53.58 SUM 2012 06 29 05 52.38 SUM 2012 06 29 06 51.32 SUM 2012 06 29 07 50.76 SUM 2012 06 29 08 50.84 SUM 2012 06 29 09 49.88 SUM 2012 06 29 10 48.96 SUM 2012 06 29 11 48.01 SUM 2012 06 29 12 47.04 SUM 2012 06 29 13 45.65 SUM 2012 06 29 14 44.25 SUM 2012 06 29 15 43.63 SUM 2012 06 29 16 44.68 SUM 2012 06 29 17 45.28 SUM 2012 06 29 18 44.83 SUM 2012 06 29 19 44.58 SUM 2012 06 29 20 45.45 SUM 2012 06 29 21 45.05 SUM 2012 06 29 22 45.40 SUM 2012 06 29 23 45.56 SUM 2012 06 30 00 45.55 SUM 2012 06 30 01 47.24 SUM 2012 06 30 02 47.69 SUM 2012 06 30 03 48.56 SUM 2012 06 30 04 49.43 SUM 2012 06 30 05 48.34 SUM 2012 06 30 06 48.93 SUM 2012 06 30 07 48.24 SUM 2012 06 30 08 48.61 SUM 2012 06 30 09 48.52 SUM 2012 06 30 10 48.41 SUM 2012 06 30 11 49.02 SUM 2012 06 30 12 49.14 SUM 2012 06 30 13 49.25 SUM 2012 06 30 14 46.45 SUM 2012 06 30 15 47.70 SUM 2012 06 30 16 46.77 SUM 2012 06 30 17 47.47 SUM 2012 06 30 18 46.94 SUM 2012 06 30 19 49.08 SUM 2012 06 30 20 51.30 SUM 2012 06 30 21 50.19 SUM 2012 06 30 22 50.58 SUM 2012 06 30 23 52.09