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 enure the quality and limitation of the data are represented. Data Disclaimer: Data has undergone extensive quality checks and is available from NOAA-GML and WDCGG. However, there still exists the potential for these data to be modified at the discretion of NOAA/ESRL Gloabl Monitoring Laboratory. If you have any questions regarding the data in this file, please contact: Irina Petropavlovskikh: Irina.Petro@noaa.gov | (303) 497-6279 Peter Effertz: Peter.effertz@noaa.gov | (720) 314-8380 Please use the following citation for data use: McClure-Begley, A., Petropavlovskikh, I., Oltmans, S., (2014) NOAA GLobal Monitoring Surface Ozone Netowrk. Station name, Time start-Time end. National Oceanic and Atmospheric Administration, Earth Systems Research Labortory Global Monitoring Laboratory. Boulder, CO. DATE ACCESSED http://dx.doi.org/10.7289/V57P8WBF STN YEAR MON DAY HR O3(PPB) MLO 2023 05 01 00 9999.99 MLO 2023 05 11 13 43.26 MLO 2023 05 11 14 43.09 MLO 2023 05 11 15 40.39 MLO 2023 05 11 16 40.79 MLO 2023 05 11 17 42.54 MLO 2023 05 11 18 38.86 MLO 2023 05 11 19 36.19 MLO 2023 05 11 20 33.09 MLO 2023 05 11 21 32.24 MLO 2023 05 11 22 32.29 MLO 2023 05 11 23 34.27 MLO 2023 05 12 00 34.51 MLO 2023 05 12 01 34.65 MLO 2023 05 12 02 34.02 MLO 2023 05 12 03 32.34 MLO 2023 05 12 04 32.95 MLO 2023 05 12 05 38.13 MLO 2023 05 12 06 45.60 MLO 2023 05 12 07 48.04 MLO 2023 05 12 08 45.53 MLO 2023 05 12 09 40.10 MLO 2023 05 12 10 39.33 MLO 2023 05 12 11 45.97 MLO 2023 05 12 12 44.39 MLO 2023 05 12 13 41.32 MLO 2023 05 12 14 44.97 MLO 2023 05 12 15 44.69 MLO 2023 05 12 16 48.02 MLO 2023 05 12 17 47.96 MLO 2023 05 12 18 51.05 MLO 2023 05 12 19 39.63 MLO 2023 05 12 20 33.27 MLO 2023 05 12 21 32.20 MLO 2023 05 12 22 33.04 MLO 2023 05 12 23 34.31 MLO 2023 05 13 00 38.22 MLO 2023 05 13 01 34.62 MLO 2023 05 13 02 34.79 MLO 2023 05 13 03 49.46 MLO 2023 05 13 04 70.35 MLO 2023 05 13 05 74.47 MLO 2023 05 13 06 75.69 MLO 2023 05 13 07 73.60 MLO 2023 05 13 08 63.62 MLO 2023 05 13 09 61.43 MLO 2023 05 13 10 61.22 MLO 2023 05 13 11 61.13 MLO 2023 05 13 12 62.24 MLO 2023 05 13 13 62.91 MLO 2023 05 13 14 64.93 MLO 2023 05 13 15 66.79 MLO 2023 05 13 16 63.95 MLO 2023 05 13 17 66.85 MLO 2023 05 13 18 68.82 MLO 2023 05 13 19 52.87 MLO 2023 05 13 20 39.90 MLO 2023 05 13 21 40.08 MLO 2023 05 13 22 41.71 MLO 2023 05 13 23 41.51 MLO 2023 05 14 00 53.68 MLO 2023 05 14 01 62.03 MLO 2023 05 14 02 59.99 MLO 2023 05 14 03 61.59 MLO 2023 05 14 04 64.02 MLO 2023 05 14 05 65.45 MLO 2023 05 14 06 67.04 MLO 2023 05 14 07 65.03 MLO 2023 05 14 08 63.40 MLO 2023 05 14 09 63.94 MLO 2023 05 14 10 62.37 MLO 2023 05 14 11 61.48 MLO 2023 05 14 12 60.61 MLO 2023 05 14 13 61.44 MLO 2023 05 14 14 58.96 MLO 2023 05 14 15 58.64 MLO 2023 05 14 16 59.09 MLO 2023 05 14 17 60.33 MLO 2023 05 14 18 65.28 MLO 2023 05 14 19 71.88 MLO 2023 05 14 20 67.57 MLO 2023 05 14 21 59.42 MLO 2023 05 14 22 58.27 MLO 2023 05 14 23 51.61 MLO 2023 05 15 00 52.49 MLO 2023 05 15 01 48.76 MLO 2023 05 15 02 54.05 MLO 2023 05 15 03 60.98 MLO 2023 05 15 04 67.04 MLO 2023 05 15 05 71.22 MLO 2023 05 15 06 75.64 MLO 2023 05 15 07 78.53 MLO 2023 05 15 08 72.42 MLO 2023 05 15 09 67.50 MLO 2023 05 15 10 68.79 MLO 2023 05 15 11 67.92 MLO 2023 05 15 12 62.51 MLO 2023 05 15 13 62.63 MLO 2023 05 15 14 67.68 MLO 2023 05 15 15 58.07 MLO 2023 05 15 16 50.55 MLO 2023 05 15 17 44.96 MLO 2023 05 15 18 52.82 MLO 2023 05 15 19 50.23 MLO 2023 05 15 20 44.63 MLO 2023 05 15 21 38.54 MLO 2023 05 15 22 37.86 MLO 2023 05 15 23 39.75 MLO 2023 05 16 00 40.94 MLO 2023 05 16 01 43.25 MLO 2023 05 16 02 46.90 MLO 2023 05 16 03 58.06 MLO 2023 05 16 04 65.29 MLO 2023 05 16 05 69.08 MLO 2023 05 16 06 68.64 MLO 2023 05 16 07 67.69 MLO 2023 05 16 08 67.53 MLO 2023 05 16 09 66.18 MLO 2023 05 16 10 64.03 MLO 2023 05 16 11 65.00 MLO 2023 05 16 12 72.47 MLO 2023 05 16 13 73.00 MLO 2023 05 16 14 75.69 MLO 2023 05 16 15 74.58 MLO 2023 05 16 16 62.39 MLO 2023 05 16 17 56.98 MLO 2023 05 16 18 48.99 MLO 2023 05 16 19 43.60 MLO 2023 05 16 20 38.87 MLO 2023 05 16 21 39.40 MLO 2023 05 16 22 37.56 MLO 2023 05 16 23 36.98 MLO 2023 05 17 00 40.95 MLO 2023 05 17 01 41.82 MLO 2023 05 17 02 41.60 MLO 2023 05 17 03 40.27 MLO 2023 05 17 04 35.49 MLO 2023 05 17 05 28.05 MLO 2023 05 17 06 20.68 MLO 2023 05 17 07 19.50 MLO 2023 05 17 08 20.19 MLO 2023 05 17 09 24.99 MLO 2023 05 17 10 26.44 MLO 2023 05 17 11 27.16 MLO 2023 05 17 12 26.59 MLO 2023 05 17 13 28.07 MLO 2023 05 17 14 26.62 MLO 2023 05 17 15 27.10 MLO 2023 05 17 16 36.14 MLO 2023 05 17 17 46.74 MLO 2023 05 17 18 52.76 MLO 2023 05 17 19 42.47 MLO 2023 05 17 20 35.29 MLO 2023 05 17 21 31.47 MLO 2023 05 17 22 31.29 MLO 2023 05 17 23 27.84 MLO 2023 05 18 00 23.91 MLO 2023 05 18 01 22.60 MLO 2023 05 18 02 21.18 MLO 2023 05 18 03 19.91 MLO 2023 05 18 04 19.83 MLO 2023 05 18 05 19.18 MLO 2023 05 18 06 18.24 MLO 2023 05 18 07 17.67 MLO 2023 05 18 08 20.02 MLO 2023 05 18 09 19.20 MLO 2023 05 18 10 18.41 MLO 2023 05 18 11 18.71 MLO 2023 05 18 12 18.83 MLO 2023 05 18 13 20.87 MLO 2023 05 18 14 20.03 MLO 2023 05 18 15 19.94 MLO 2023 05 18 16 18.31 MLO 2023 05 18 17 17.84 MLO 2023 05 18 18 18.40 MLO 2023 05 18 19 21.41 MLO 2023 05 18 20 24.62 MLO 2023 05 18 21 26.73 MLO 2023 05 18 22 25.73 MLO 2023 05 18 23 25.43 MLO 2023 05 19 00 23.16 MLO 2023 05 19 01 22.14 MLO 2023 05 19 02 22.49 MLO 2023 05 19 03 25.87 MLO 2023 05 19 04 25.12 MLO 2023 05 19 05 26.31 MLO 2023 05 19 06 27.44 MLO 2023 05 19 07 23.87 MLO 2023 05 19 08 24.03 MLO 2023 05 19 09 23.87 MLO 2023 05 19 10 24.02 MLO 2023 05 19 11 25.44 MLO 2023 05 19 12 25.49 MLO 2023 05 19 13 22.15 MLO 2023 05 19 14 23.65 MLO 2023 05 19 15 24.42 MLO 2023 05 19 16 27.18 MLO 2023 05 19 17 28.27 MLO 2023 05 19 18 28.02 MLO 2023 05 19 19 26.76 MLO 2023 05 19 20 27.58 MLO 2023 05 19 21 30.94 MLO 2023 05 19 22 32.18 MLO 2023 05 19 23 32.14 MLO 2023 05 20 00 29.59 MLO 2023 05 20 01 28.82 MLO 2023 05 20 02 28.95 MLO 2023 05 20 03 28.28 MLO 2023 05 20 04 30.83 MLO 2023 05 20 05 38.37 MLO 2023 05 20 06 42.05 MLO 2023 05 20 07 35.02 MLO 2023 05 20 08 35.00 MLO 2023 05 20 09 41.85 MLO 2023 05 20 10 44.30 MLO 2023 05 20 11 35.32 MLO 2023 05 20 12 34.40 MLO 2023 05 20 13 37.54 MLO 2023 05 20 14 38.14 MLO 2023 05 20 15 46.70 MLO 2023 05 20 16 46.37 MLO 2023 05 20 17 38.60 MLO 2023 05 20 18 35.14 MLO 2023 05 20 19 30.62 MLO 2023 05 20 20 29.51 MLO 2023 05 20 21 27.33 MLO 2023 05 20 22 29.53 MLO 2023 05 20 23 27.20 MLO 2023 05 21 00 29.49 MLO 2023 05 21 01 24.72 MLO 2023 05 21 02 23.21 MLO 2023 05 21 03 23.15 MLO 2023 05 21 04 24.21 MLO 2023 05 21 05 24.82 MLO 2023 05 21 06 25.81 MLO 2023 05 21 07 28.96 MLO 2023 05 21 08 34.15 MLO 2023 05 21 09 34.15 MLO 2023 05 21 10 39.01 MLO 2023 05 21 11 45.20 MLO 2023 05 21 12 48.30 MLO 2023 05 21 13 48.99 MLO 2023 05 21 14 50.99 MLO 2023 05 21 15 49.43 MLO 2023 05 21 16 50.30 MLO 2023 05 21 17 50.64 MLO 2023 05 21 18 50.31 MLO 2023 05 21 19 44.85 MLO 2023 05 21 20 40.73 MLO 2023 05 21 21 38.67 MLO 2023 05 21 22 34.00 MLO 2023 05 21 23 34.00 MLO 2023 05 22 00 32.14 MLO 2023 05 22 01 29.75 MLO 2023 05 22 02 30.67 MLO 2023 05 22 03 32.99 MLO 2023 05 22 04 25.94 MLO 2023 05 22 05 22.33 MLO 2023 05 22 06 22.17 MLO 2023 05 22 07 22.44 MLO 2023 05 22 08 25.05 MLO 2023 05 22 09 24.37 MLO 2023 05 22 10 24.03 MLO 2023 05 22 11 29.78 MLO 2023 05 22 12 34.53 MLO 2023 05 22 13 35.77 MLO 2023 05 22 14 32.73 MLO 2023 05 22 15 31.37 MLO 2023 05 22 16 31.47 MLO 2023 05 22 17 31.28 MLO 2023 05 22 18 34.17 MLO 2023 05 22 19 32.03 MLO 2023 05 22 20 30.36 MLO 2023 05 22 21 30.61 MLO 2023 05 22 22 27.94 MLO 2023 05 22 23 26.76 MLO 2023 05 23 00 21.47 MLO 2023 05 23 01 19.71 MLO 2023 05 23 02 19.77 MLO 2023 05 23 03 17.77 MLO 2023 05 23 04 18.84 MLO 2023 05 23 05 24.17 MLO 2023 05 23 06 23.85 MLO 2023 05 23 07 20.82 MLO 2023 05 23 08 21.92 MLO 2023 05 23 09 23.89 MLO 2023 05 23 10 32.03 MLO 2023 05 23 11 33.07 MLO 2023 05 23 12 31.18 MLO 2023 05 23 13 50.63 MLO 2023 05 23 14 46.52 MLO 2023 05 23 15 36.45 MLO 2023 05 23 16 27.88 MLO 2023 05 23 17 27.02 MLO 2023 05 23 18 25.62 MLO 2023 05 23 19 28.23 MLO 2023 05 23 20 32.74 MLO 2023 05 23 21 35.96 MLO 2023 05 23 22 38.49 MLO 2023 05 23 23 37.70 MLO 2023 05 24 00 35.05 MLO 2023 05 24 01 36.65 MLO 2023 05 24 02 41.66 MLO 2023 05 24 03 45.59 MLO 2023 05 24 04 47.80 MLO 2023 05 24 05 44.36 MLO 2023 05 24 06 52.19 MLO 2023 05 24 07 49.79 MLO 2023 05 24 08 45.70 MLO 2023 05 24 09 40.77 MLO 2023 05 24 10 39.20 MLO 2023 05 24 11 34.42 MLO 2023 05 24 12 32.80 MLO 2023 05 24 13 29.53 MLO 2023 05 24 14 28.60 MLO 2023 05 24 15 29.90 MLO 2023 05 24 16 33.12 MLO 2023 05 24 17 36.67 MLO 2023 05 24 18 38.42 MLO 2023 05 24 19 43.78 MLO 2023 05 24 20 45.39 MLO 2023 05 24 21 43.35 MLO 2023 05 24 22 42.28 MLO 2023 05 24 23 37.72 MLO 2023 05 25 00 35.14 MLO 2023 05 25 01 34.44 MLO 2023 05 25 02 34.19 MLO 2023 05 25 03 33.48 MLO 2023 05 25 04 33.33 MLO 2023 05 25 05 31.23 MLO 2023 05 25 06 34.70 MLO 2023 05 25 07 33.71 MLO 2023 05 25 08 34.41 MLO 2023 05 25 09 37.93 MLO 2023 05 25 10 38.86 MLO 2023 05 25 11 36.64 MLO 2023 05 25 12 37.29 MLO 2023 05 25 13 38.45 MLO 2023 05 25 14 47.11 MLO 2023 05 25 15 49.63 MLO 2023 05 25 16 47.06 MLO 2023 05 25 17 40.75 MLO 2023 05 25 18 38.62 MLO 2023 05 25 19 32.70 MLO 2023 05 25 20 32.66 MLO 2023 05 25 21 34.17 MLO 2023 05 25 22 36.91 MLO 2023 05 25 23 37.41 MLO 2023 05 26 00 34.69 MLO 2023 05 26 01 34.55 MLO 2023 05 26 02 34.84 MLO 2023 05 26 03 34.06 MLO 2023 05 26 04 34.49 MLO 2023 05 26 05 35.09 MLO 2023 05 26 06 34.97 MLO 2023 05 26 07 33.99 MLO 2023 05 26 08 35.72 MLO 2023 05 26 09 37.44 MLO 2023 05 26 10 36.88 MLO 2023 05 26 11 35.43 MLO 2023 05 26 12 37.57 MLO 2023 05 26 13 38.44 MLO 2023 05 26 14 36.74 MLO 2023 05 26 15 36.02 MLO 2023 05 26 16 37.73 MLO 2023 05 26 17 38.72 MLO 2023 05 26 18 36.98 MLO 2023 05 26 19 36.27 MLO 2023 05 26 20 36.38 MLO 2023 05 26 21 38.67 MLO 2023 05 26 22 42.17 MLO 2023 05 26 23 44.36 MLO 2023 05 27 00 41.68 MLO 2023 05 27 01 40.00 MLO 2023 05 27 02 37.03 MLO 2023 05 27 03 36.83 MLO 2023 05 27 04 35.29 MLO 2023 05 27 05 39.99 MLO 2023 05 27 06 46.14 MLO 2023 05 27 07 47.58 MLO 2023 05 27 08 52.48 MLO 2023 05 27 09 49.18 MLO 2023 05 27 10 56.29 MLO 2023 05 27 11 54.18 MLO 2023 05 27 12 59.09 MLO 2023 05 27 13 55.95 MLO 2023 05 27 14 60.97 MLO 2023 05 27 15 62.68 MLO 2023 05 27 16 61.09 MLO 2023 05 27 17 60.46 MLO 2023 05 27 18 57.41 MLO 2023 05 27 19 51.09 MLO 2023 05 27 20 43.86 MLO 2023 05 27 21 44.88 MLO 2023 05 27 22 44.76 MLO 2023 05 27 23 41.77 MLO 2023 05 28 00 36.08 MLO 2023 05 28 01 37.18 MLO 2023 05 28 02 40.62 MLO 2023 05 28 03 41.39 MLO 2023 05 28 04 38.40 MLO 2023 05 28 05 36.94 MLO 2023 05 28 06 45.85 MLO 2023 05 28 07 47.85 MLO 2023 05 28 08 45.34 MLO 2023 05 28 09 46.21 MLO 2023 05 28 10 47.41 MLO 2023 05 28 11 47.58 MLO 2023 05 28 12 46.67 MLO 2023 05 28 13 44.59 MLO 2023 05 28 14 41.03 MLO 2023 05 28 15 38.51 MLO 2023 05 28 16 40.44 MLO 2023 05 28 17 48.23 MLO 2023 05 28 18 48.29 MLO 2023 05 28 19 49.24 MLO 2023 05 28 20 47.14 MLO 2023 05 28 21 42.23 MLO 2023 05 28 22 37.71 MLO 2023 05 28 23 39.92 MLO 2023 05 29 00 41.24 MLO 2023 05 29 01 36.86 MLO 2023 05 29 02 36.19 MLO 2023 05 29 03 35.59 MLO 2023 05 29 04 36.72 MLO 2023 05 29 05 36.14 MLO 2023 05 29 06 39.85 MLO 2023 05 29 07 44.08 MLO 2023 05 29 08 47.32 MLO 2023 05 29 09 44.72 MLO 2023 05 29 10 42.48 MLO 2023 05 29 11 42.12 MLO 2023 05 29 12 43.71 MLO 2023 05 29 13 47.92 MLO 2023 05 29 14 46.85 MLO 2023 05 29 15 41.61 MLO 2023 05 29 16 38.11 MLO 2023 05 29 17 37.33 MLO 2023 05 29 18 37.17 MLO 2023 05 29 19 38.83 MLO 2023 05 29 20 36.82 MLO 2023 05 29 21 34.16 MLO 2023 05 29 22 31.40 MLO 2023 05 29 23 32.10 MLO 2023 05 30 00 31.57 MLO 2023 05 30 01 33.06 MLO 2023 05 30 02 34.02 MLO 2023 05 30 03 33.97 MLO 2023 05 30 04 33.05 MLO 2023 05 30 05 38.78 MLO 2023 05 30 06 40.85 MLO 2023 05 30 07 36.62 MLO 2023 05 30 08 38.91 MLO 2023 05 30 09 41.40 MLO 2023 05 30 10 41.15 MLO 2023 05 30 11 40.82 MLO 2023 05 30 12 38.08 MLO 2023 05 30 13 40.08 MLO 2023 05 30 14 40.43 MLO 2023 05 30 15 39.20 MLO 2023 05 30 16 39.77 MLO 2023 05 30 17 39.18 MLO 2023 05 30 18 36.75 MLO 2023 05 30 19 32.58 MLO 2023 05 30 20 31.11 MLO 2023 05 30 21 32.43 MLO 2023 05 30 22 32.66 MLO 2023 05 30 23 33.45 MLO 2023 05 31 00 30.60 MLO 2023 05 31 01 26.12 MLO 2023 05 31 02 28.40 MLO 2023 05 31 03 28.30 MLO 2023 05 31 04 29.41 MLO 2023 05 31 05 28.42 MLO 2023 05 31 06 29.16 MLO 2023 05 31 07 30.01 MLO 2023 05 31 08 31.76 MLO 2023 05 31 09 29.60 MLO 2023 05 31 10 32.41 MLO 2023 05 31 11 35.57 MLO 2023 05 31 12 34.39 MLO 2023 05 31 13 40.32 MLO 2023 05 31 14 40.88 MLO 2023 05 31 15 40.99 MLO 2023 05 31 16 42.90 MLO 2023 05 31 17 42.63 MLO 2023 05 31 18 41.32 MLO 2023 05 31 19 37.90 MLO 2023 05 31 20 34.94 MLO 2023 05 31 21 33.07 MLO 2023 05 31 22 31.43 MLO 2023 05 31 23 32.14