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) 31 2010 02 01 00 49.17 31 2010 02 01 01 50.36 31 2010 02 01 02 51.20 31 2010 02 01 03 50.27 31 2010 02 01 04 51.80 31 2010 02 01 05 50.99 31 2010 02 01 06 51.82 31 2010 02 01 07 50.43 31 2010 02 01 08 48.32 31 2010 02 01 09 45.39 31 2010 02 01 12 33.27 31 2010 02 01 13 30.26 31 2010 02 01 14 30.31 31 2010 02 01 15 30.57 31 2010 02 01 16 31.23 31 2010 02 01 17 31.14 31 2010 02 01 18 32.78 31 2010 02 01 19 34.42 31 2010 02 01 20 39.08 31 2010 02 01 21 47.24 31 2010 02 01 22 52.22 31 2010 02 01 23 51.85 31 2010 02 02 00 51.65 31 2010 02 02 01 48.58 31 2010 02 02 02 50.04 31 2010 02 02 03 49.98 31 2010 02 02 04 49.21 31 2010 02 02 05 51.99 31 2010 02 02 06 52.41 31 2010 02 02 07 51.75 31 2010 02 02 08 51.70 31 2010 02 02 09 51.39 31 2010 02 02 10 50.84 31 2010 02 02 11 49.37 31 2010 02 02 12 47.58 31 2010 02 02 13 44.22 31 2010 02 02 14 38.88 31 2010 02 02 15 35.93 31 2010 02 02 16 33.99 31 2010 02 02 17 34.02 31 2010 02 02 18 27.33 31 2010 02 02 19 29.44 31 2010 02 02 20 26.43 31 2010 02 02 21 24.84 31 2010 02 02 22 25.40 31 2010 02 02 23 25.41 31 2010 02 03 00 24.97 31 2010 02 03 01 29.10 31 2010 02 03 02 46.67 31 2010 02 03 03 49.87 31 2010 02 03 04 52.43 31 2010 02 03 05 52.84 31 2010 02 03 06 50.68 31 2010 02 03 07 47.54 31 2010 02 03 08 46.38 31 2010 02 03 09 45.46 31 2010 02 03 10 46.13 31 2010 02 03 11 46.47 31 2010 02 03 12 46.42 31 2010 02 03 13 47.21 31 2010 02 03 14 47.45 31 2010 02 03 15 47.04 31 2010 02 03 16 47.31 31 2010 02 03 17 47.95 31 2010 02 03 18 48.06 31 2010 02 03 19 43.48 31 2010 02 03 20 41.88 31 2010 02 03 21 39.32 31 2010 02 03 22 38.73 31 2010 02 03 23 39.60 31 2010 02 04 00 39.32 31 2010 02 04 01 45.52 31 2010 02 04 02 46.93 31 2010 02 04 03 43.92 31 2010 02 04 04 39.28 31 2010 02 04 05 39.96 31 2010 02 04 06 40.36 31 2010 02 04 07 43.97 31 2010 02 04 08 46.86 31 2010 02 04 09 44.44 31 2010 02 04 10 45.18 31 2010 02 04 11 45.17 31 2010 02 04 12 44.70 31 2010 02 04 13 43.45 31 2010 02 04 14 41.80 31 2010 02 04 15 41.39 31 2010 02 04 16 41.92 31 2010 02 04 17 41.75 31 2010 02 04 18 46.38 31 2010 02 04 19 48.14 31 2010 02 04 20 51.68 31 2010 02 04 21 52.41 31 2010 02 04 22 53.17 31 2010 02 04 23 53.31 31 2010 02 05 00 53.89 31 2010 02 05 01 54.83 31 2010 02 05 02 55.32 31 2010 02 05 03 55.05 31 2010 02 05 04 54.79 31 2010 02 05 05 54.88 31 2010 02 05 06 55.29 31 2010 02 05 07 56.22 31 2010 02 05 08 55.45 31 2010 02 05 09 53.02 31 2010 02 05 10 48.03 31 2010 02 05 11 43.73 31 2010 02 05 12 38.99 31 2010 02 05 13 37.62 31 2010 02 05 14 37.34 31 2010 02 05 15 37.73 31 2010 02 05 16 39.27 31 2010 02 05 17 38.35 31 2010 02 05 18 42.71 31 2010 02 05 19 57.16 31 2010 02 05 20 58.51 31 2010 02 05 21 57.18 31 2010 02 05 22 55.74 31 2010 02 05 23 54.58 31 2010 02 06 00 56.55 31 2010 02 06 01 57.47 31 2010 02 06 02 57.02 31 2010 02 06 03 57.35 31 2010 02 06 04 57.35 31 2010 02 06 05 57.78 31 2010 02 06 06 58.01 31 2010 02 06 07 58.21 31 2010 02 06 08 58.38 31 2010 02 06 09 58.13 31 2010 02 06 10 54.97 31 2010 02 06 11 46.41 31 2010 02 06 12 46.51 31 2010 02 06 13 41.93 31 2010 02 06 14 42.77 31 2010 02 06 15 42.45 31 2010 02 06 16 43.80 31 2010 02 06 17 42.52 31 2010 02 06 18 43.41 31 2010 02 06 19 44.31 31 2010 02 06 20 56.37 31 2010 02 06 21 58.33 31 2010 02 06 22 58.64 31 2010 02 06 23 58.96 31 2010 02 07 00 60.03 31 2010 02 07 01 60.29 31 2010 02 07 02 61.42 31 2010 02 07 03 61.92 31 2010 02 07 04 56.09 31 2010 02 07 05 52.92 31 2010 02 07 06 50.88 31 2010 02 07 07 51.31 31 2010 02 07 08 52.00 31 2010 02 07 09 50.91 31 2010 02 07 10 49.88 31 2010 02 07 11 53.20 31 2010 02 07 12 51.97 31 2010 02 07 13 52.39 31 2010 02 07 14 46.61 31 2010 02 07 15 43.17 31 2010 02 07 16 45.22 31 2010 02 07 17 49.49 31 2010 02 07 18 54.52 31 2010 02 07 19 52.14 31 2010 02 07 20 51.99 31 2010 02 07 21 55.58 31 2010 02 07 22 55.85 31 2010 02 07 23 54.28 31 2010 02 08 00 53.34 31 2010 02 08 01 52.99 31 2010 02 08 02 52.13 31 2010 02 08 03 52.54 31 2010 02 08 04 52.86 31 2010 02 08 05 53.68 31 2010 02 08 06 54.06 31 2010 02 08 07 55.11 31 2010 02 08 08 54.61 31 2010 02 08 09 47.91 31 2010 02 08 13 41.51 31 2010 02 08 14 45.52 31 2010 02 08 15 51.68 31 2010 02 08 16 57.77 31 2010 02 08 17 58.63 31 2010 02 08 18 58.52 31 2010 02 08 19 58.51 31 2010 02 08 20 58.56 31 2010 02 08 21 59.43 31 2010 02 08 22 60.93 31 2010 02 08 23 59.98 31 2010 02 09 00 56.39 31 2010 02 09 01 55.26 31 2010 02 09 02 54.75 31 2010 02 09 03 50.40 31 2010 02 09 04 52.20 31 2010 02 09 05 53.77 31 2010 02 09 06 53.98 31 2010 02 09 07 56.18 31 2010 02 09 08 57.06 31 2010 02 09 09 57.36 31 2010 02 09 10 55.21 31 2010 02 09 11 52.21 31 2010 02 09 12 49.69 31 2010 02 09 13 48.99 31 2010 02 09 14 46.58 31 2010 02 09 15 47.22 31 2010 02 09 16 46.73 31 2010 02 09 17 48.84 31 2010 02 09 18 49.46 31 2010 02 09 19 46.31 31 2010 02 09 20 46.62 31 2010 02 09 21 46.80 31 2010 02 09 22 47.06 31 2010 02 09 23 46.32 31 2010 02 10 00 46.13 31 2010 02 10 01 46.15 31 2010 02 10 02 45.85 31 2010 02 10 03 45.27 31 2010 02 10 04 45.61 31 2010 02 10 05 46.25 31 2010 02 10 06 46.53 31 2010 02 10 07 46.31 31 2010 02 10 08 44.81 31 2010 02 10 09 46.26 31 2010 02 10 10 48.98 31 2010 02 10 11 48.86 31 2010 02 10 12 50.47 31 2010 02 10 13 41.46 31 2010 02 10 14 40.20 31 2010 02 10 15 41.00 31 2010 02 10 16 37.55 31 2010 02 10 17 38.90 31 2010 02 10 18 41.98 31 2010 02 10 19 44.27 31 2010 02 10 20 46.35 31 2010 02 10 21 45.76 31 2010 02 10 22 45.67 31 2010 02 10 23 45.90 31 2010 02 11 00 45.95 31 2010 02 11 01 46.17 31 2010 02 11 02 46.11 31 2010 02 11 03 46.01 31 2010 02 11 04 46.22 31 2010 02 11 05 46.53 31 2010 02 11 06 47.15 31 2010 02 11 07 46.90 31 2010 02 11 08 46.61 31 2010 02 11 09 46.25 31 2010 02 11 10 44.95 31 2010 02 11 11 42.94 31 2010 02 11 12 41.42 31 2010 02 11 13 42.51 31 2010 02 11 14 44.75 31 2010 02 11 15 44.76 31 2010 02 11 16 42.85 31 2010 02 11 17 44.35 31 2010 02 11 18 46.87 31 2010 02 11 19 46.62 31 2010 02 11 20 47.34 31 2010 02 11 21 47.62 31 2010 02 11 22 47.89 31 2010 02 11 23 48.36 31 2010 02 12 00 49.25 31 2010 02 12 01 49.93 31 2010 02 12 02 49.99 31 2010 02 12 03 50.66 31 2010 02 12 04 51.31 31 2010 02 12 05 51.18 31 2010 02 12 06 50.75 31 2010 02 12 07 50.49 31 2010 02 12 08 51.24 31 2010 02 12 09 52.41 31 2010 02 12 10 54.51 31 2010 02 12 11 53.56 31 2010 02 12 12 50.52 31 2010 02 12 13 44.21 31 2010 02 12 14 38.57 31 2010 02 12 15 38.67 31 2010 02 12 16 44.79 31 2010 02 12 17 45.62 31 2010 02 12 18 53.04 31 2010 02 12 19 56.15 31 2010 02 12 20 56.85 31 2010 02 12 21 55.94 31 2010 02 12 22 56.44 31 2010 02 12 23 55.94 31 2010 02 13 00 55.59 31 2010 02 13 01 54.92 31 2010 02 13 02 54.44 31 2010 02 13 03 54.00 31 2010 02 13 04 55.03 31 2010 02 13 05 55.57 31 2010 02 13 06 53.65 31 2010 02 13 07 52.73 31 2010 02 13 08 51.54 31 2010 02 13 09 51.68 31 2010 02 13 10 51.11 31 2010 02 13 11 45.35 31 2010 02 13 12 41.73 31 2010 02 13 13 40.30 31 2010 02 13 14 38.45 31 2010 02 13 15 38.90 31 2010 02 13 16 40.07 31 2010 02 13 17 40.96 31 2010 02 13 18 47.61 31 2010 02 13 19 53.29 31 2010 02 13 20 53.41 31 2010 02 13 21 53.48 31 2010 02 13 22 53.64 31 2010 02 13 23 52.71 31 2010 02 14 00 53.31 31 2010 02 14 01 51.49 31 2010 02 14 02 50.74 31 2010 02 14 03 51.38 31 2010 02 14 04 54.15 31 2010 02 14 05 56.53 31 2010 02 14 06 57.36 31 2010 02 14 07 61.23 31 2010 02 14 08 58.63 31 2010 02 14 09 59.60 31 2010 02 14 10 55.72 31 2010 02 14 11 44.95 31 2010 02 14 12 38.19 31 2010 02 14 13 38.64 31 2010 02 14 14 38.26 31 2010 02 14 15 45.83 31 2010 02 14 16 50.75 31 2010 02 14 17 53.53 31 2010 02 14 18 52.32 31 2010 02 14 19 55.96 31 2010 02 14 20 58.89 31 2010 02 14 21 56.57 31 2010 02 14 22 53.43 31 2010 02 14 23 52.53 31 2010 02 15 00 53.78 31 2010 02 15 01 52.63 31 2010 02 15 02 53.24 31 2010 02 15 03 53.71 31 2010 02 15 04 55.83 31 2010 02 15 05 56.49 31 2010 02 15 06 51.32 31 2010 02 15 07 47.56 31 2010 02 15 08 47.98 31 2010 02 15 09 50.19 31 2010 02 15 10 51.40 31 2010 02 15 11 44.96 31 2010 02 15 12 43.57 31 2010 02 15 13 41.30 31 2010 02 15 14 37.23 31 2010 02 15 15 36.22 31 2010 02 15 16 37.13 31 2010 02 15 17 42.94 31 2010 02 15 18 45.05 31 2010 02 15 19 50.24 31 2010 02 15 20 51.03 31 2010 02 15 21 52.03 31 2010 02 15 22 51.90 31 2010 02 15 23 51.92 31 2010 02 16 00 51.64 31 2010 02 16 01 52.96 31 2010 02 16 02 52.53 31 2010 02 16 03 52.37 31 2010 02 16 04 52.02 31 2010 02 16 05 52.42 31 2010 02 16 06 50.69 31 2010 02 16 07 51.64 31 2010 02 16 08 52.72 31 2010 02 16 09 52.70 31 2010 02 16 10 52.46 31 2010 02 16 11 51.36 31 2010 02 16 12 51.32 31 2010 02 16 13 51.61 31 2010 02 16 14 50.83 31 2010 02 16 15 50.98 31 2010 02 16 16 49.89 31 2010 02 16 17 52.93 31 2010 02 16 18 53.45 31 2010 02 16 19 52.79 31 2010 02 16 20 52.00 31 2010 02 16 21 50.50 31 2010 02 16 22 49.65 31 2010 02 16 23 49.65 31 2010 02 17 00 49.90 31 2010 02 17 01 50.14 31 2010 02 17 02 49.71 31 2010 02 17 03 49.88 31 2010 02 17 04 49.98 31 2010 02 17 05 48.30 31 2010 02 17 06 47.35 31 2010 02 17 07 46.89 31 2010 02 17 08 47.75 31 2010 02 17 09 48.00 31 2010 02 17 10 48.12 31 2010 02 17 11 48.28 31 2010 02 17 12 48.32 31 2010 02 17 13 48.22 31 2010 02 17 14 48.07 31 2010 02 17 15 48.92 31 2010 02 17 16 51.32 31 2010 02 17 17 49.70 31 2010 02 17 18 49.33 31 2010 02 17 19 45.80 31 2010 02 17 20 40.76 31 2010 02 17 21 41.03 31 2010 02 17 22 41.42 31 2010 02 17 23 42.12 31 2010 02 18 00 41.29 31 2010 02 18 01 45.01 31 2010 02 18 02 43.69 31 2010 02 18 03 38.23 31 2010 02 18 04 35.67 31 2010 02 18 05 34.55 31 2010 02 18 06 35.85 31 2010 02 18 07 37.12 31 2010 02 18 08 39.03 31 2010 02 18 09 39.76 31 2010 02 18 10 44.44 31 2010 02 18 13 40.47 31 2010 02 18 14 38.53 31 2010 02 18 15 39.29 31 2010 02 18 16 40.11 31 2010 02 18 17 40.64 31 2010 02 18 18 42.46 31 2010 02 18 19 42.06 31 2010 02 18 20 41.51 31 2010 02 18 21 40.85 31 2010 02 18 22 41.10 31 2010 02 18 23 41.04 31 2010 02 19 00 39.99 31 2010 02 19 01 39.44 31 2010 02 19 02 38.48 31 2010 02 19 03 35.94 31 2010 02 19 04 38.01 31 2010 02 19 05 36.73 31 2010 02 19 06 38.03 31 2010 02 19 07 38.79 31 2010 02 19 08 39.16 31 2010 02 19 09 40.87 31 2010 02 19 10 41.96 31 2010 02 19 11 45.73 31 2010 02 19 12 43.34 31 2010 02 19 13 44.20 31 2010 02 19 14 45.39 31 2010 02 19 15 46.32 31 2010 02 19 16 47.17 31 2010 02 19 17 44.51 31 2010 02 19 18 43.79 31 2010 02 19 19 40.76 31 2010 02 19 20 41.22 31 2010 02 19 21 44.28 31 2010 02 19 22 45.88 31 2010 02 19 23 44.99 31 2010 02 20 00 47.00 31 2010 02 20 01 47.68 31 2010 02 20 02 48.46 31 2010 02 20 03 49.73 31 2010 02 20 04 49.88 31 2010 02 20 05 53.65 31 2010 02 20 06 54.58 31 2010 02 20 07 54.76 31 2010 02 20 08 54.81 31 2010 02 20 09 54.42 31 2010 02 20 10 53.50 31 2010 02 20 11 51.37 31 2010 02 20 12 46.04 31 2010 02 20 13 35.93 31 2010 02 20 14 41.54 31 2010 02 20 15 46.53 31 2010 02 20 16 48.34 31 2010 02 20 17 55.67 31 2010 02 20 18 57.94 31 2010 02 20 19 57.58 31 2010 02 20 20 56.19 31 2010 02 20 21 55.11 31 2010 02 20 22 53.57 31 2010 02 20 23 51.84 31 2010 02 21 00 49.54 31 2010 02 21 01 48.80 31 2010 02 21 02 50.25 31 2010 02 21 03 51.22 31 2010 02 21 04 50.42 31 2010 02 21 05 47.75 31 2010 02 21 06 49.04 31 2010 02 21 07 51.36 31 2010 02 21 08 52.27 31 2010 02 21 09 50.41 31 2010 02 21 10 49.24 31 2010 02 21 11 43.31 31 2010 02 21 12 39.11 31 2010 02 21 13 36.78 31 2010 02 21 14 34.58 31 2010 02 21 15 33.31 31 2010 02 21 16 32.58 31 2010 02 21 17 33.48 31 2010 02 21 18 35.95 31 2010 02 21 19 40.49 31 2010 02 21 20 39.36 31 2010 02 21 21 40.55 31 2010 02 21 22 42.55 31 2010 02 21 23 41.38 31 2010 02 22 00 44.11 31 2010 02 22 01 43.84 31 2010 02 22 02 43.43 31 2010 02 22 03 43.26 31 2010 02 22 04 42.75 31 2010 02 22 05 43.03 31 2010 02 22 06 42.49 31 2010 02 22 07 44.34 31 2010 02 22 08 43.39 31 2010 02 22 09 42.25 31 2010 02 22 12 42.64 31 2010 02 22 13 39.18 31 2010 02 22 14 39.81 31 2010 02 22 15 34.91 31 2010 02 22 16 35.47 31 2010 02 22 17 34.44 31 2010 02 22 18 34.08 31 2010 02 22 19 34.84 31 2010 02 22 20 38.54 31 2010 02 22 21 44.35 31 2010 02 22 22 44.53 31 2010 02 22 23 47.84 31 2010 02 23 00 50.65 31 2010 02 23 01 51.64 31 2010 02 23 02 51.32 31 2010 02 23 03 51.01 31 2010 02 23 04 51.85 31 2010 02 23 05 51.10 31 2010 02 23 06 52.18 31 2010 02 23 07 51.58 31 2010 02 23 08 49.30 31 2010 02 23 09 47.00 31 2010 02 23 10 40.88 31 2010 02 23 11 38.98 31 2010 02 23 12 36.37 31 2010 02 23 13 33.82 31 2010 02 23 14 32.24 31 2010 02 23 15 32.03 31 2010 02 23 16 33.07 31 2010 02 23 17 35.72 31 2010 02 23 18 36.31 31 2010 02 23 19 35.08 31 2010 02 23 20 36.57 31 2010 02 23 21 40.87 31 2010 02 23 22 42.53 31 2010 02 23 23 43.45 31 2010 02 24 00 45.85 31 2010 02 24 01 46.82 31 2010 02 24 02 53.71 31 2010 02 24 03 53.46 31 2010 02 24 04 55.07 31 2010 02 24 05 55.23 31 2010 02 24 06 55.73 31 2010 02 24 07 54.73 31 2010 02 24 08 54.64 31 2010 02 24 09 53.57 31 2010 02 24 10 53.08 31 2010 02 24 11 49.37 31 2010 02 24 12 40.46 31 2010 02 24 13 35.03 31 2010 02 24 14 34.68 31 2010 02 24 15 35.24 31 2010 02 24 16 37.27 31 2010 02 24 17 40.85 31 2010 02 24 18 46.35 31 2010 02 24 19 45.46 31 2010 02 24 20 50.57 31 2010 02 24 21 49.27 31 2010 02 24 22 49.98 31 2010 02 24 23 50.36 31 2010 02 25 00 50.42 31 2010 02 25 01 50.71 31 2010 02 25 02 50.97 31 2010 02 25 03 49.74 31 2010 02 25 04 49.88 31 2010 02 25 05 50.95 31 2010 02 25 06 51.28 31 2010 02 25 07 52.01 31 2010 02 25 08 48.15 31 2010 02 25 09 43.74 31 2010 02 25 10 41.74 31 2010 02 25 11 43.62 31 2010 02 25 12 41.60 31 2010 02 25 13 39.50 31 2010 02 25 14 39.77 31 2010 02 25 15 41.51 31 2010 02 25 16 44.49 31 2010 02 25 17 46.18 31 2010 02 25 18 47.62 31 2010 02 25 19 46.97 31 2010 02 25 20 46.58 31 2010 02 25 21 47.67 31 2010 02 25 22 49.55 31 2010 02 25 23 51.01 31 2010 02 26 00 49.90 31 2010 02 26 01 48.42 31 2010 02 26 02 49.17 31 2010 02 26 03 50.26 31 2010 02 26 04 51.11 31 2010 02 26 05 51.91 31 2010 02 26 06 51.74 31 2010 02 26 07 51.71 31 2010 02 26 08 50.82 31 2010 02 26 09 51.11 31 2010 02 26 10 49.96 31 2010 02 26 11 43.15 31 2010 02 26 12 42.22 31 2010 02 26 13 37.94 31 2010 02 26 14 45.50 31 2010 02 26 15 43.94 31 2010 02 26 16 39.14 31 2010 02 26 17 36.84 31 2010 02 26 18 45.62 31 2010 02 26 19 47.48 31 2010 02 26 20 53.01 31 2010 02 26 21 52.73 31 2010 02 26 22 52.43 31 2010 02 26 23 52.55 31 2010 02 27 00 51.00 31 2010 02 27 01 50.68 31 2010 02 27 02 52.20 31 2010 02 27 03 53.07 31 2010 02 27 04 53.23 31 2010 02 27 05 52.79 31 2010 02 27 06 52.31 31 2010 02 27 07 51.99 31 2010 02 27 08 50.20 31 2010 02 27 09 49.87 31 2010 02 27 10 49.10 31 2010 02 27 11 44.21 31 2010 02 27 12 41.11 31 2010 02 27 13 38.69 31 2010 02 27 14 36.56 31 2010 02 27 15 34.33 31 2010 02 27 16 35.25 31 2010 02 27 17 38.45 31 2010 02 27 18 47.35 31 2010 02 27 19 48.55 31 2010 02 27 20 48.77 31 2010 02 27 21 50.48 31 2010 02 27 22 49.04 31 2010 02 27 23 49.14 31 2010 02 28 00 47.21 31 2010 02 28 01 47.02 31 2010 02 28 02 46.25 31 2010 02 28 03 46.12 31 2010 02 28 04 46.85 31 2010 02 28 05 51.50 31 2010 02 28 06 51.72 31 2010 02 28 07 52.76 31 2010 02 28 08 51.12 31 2010 02 28 09 51.38 31 2010 02 28 10 51.32 31 2010 02 28 11 53.74 31 2010 02 28 12 48.85 31 2010 02 28 13 39.93 31 2010 02 28 14 31.74 31 2010 02 28 15 33.19 31 2010 02 28 16 40.38 31 2010 02 28 17 50.04 31 2010 02 28 18 53.50 31 2010 02 28 19 53.19 31 2010 02 28 20 53.33 31 2010 02 28 21 54.08 31 2010 02 28 22 55.33 31 2010 02 28 23 57.66