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) 111 2017 02 01 00 23.50 111 2017 02 01 01 24.48 111 2017 02 01 02 25.28 111 2017 02 01 03 25.38 111 2017 02 01 04 24.62 111 2017 02 01 05 24.55 111 2017 02 01 06 24.73 111 2017 02 01 07 25.06 111 2017 02 01 08 25.08 111 2017 02 01 09 25.31 111 2017 02 01 10 26.07 111 2017 02 01 11 27.27 111 2017 02 01 12 27.82 111 2017 02 01 13 28.15 111 2017 02 01 14 28.10 111 2017 02 01 15 27.56 111 2017 02 01 16 26.92 111 2017 02 01 17 26.06 111 2017 02 01 18 25.54 111 2017 02 01 19 25.98 111 2017 02 01 20 26.56 111 2017 02 01 21 27.40 111 2017 02 01 22 27.69 111 2017 02 01 23 27.86 111 2017 02 02 00 27.97 111 2017 02 02 01 28.14 111 2017 02 02 02 28.40 111 2017 02 02 03 28.47 111 2017 02 02 04 28.54 111 2017 02 02 05 28.70 111 2017 02 02 06 28.63 111 2017 02 02 07 28.51 111 2017 02 02 08 28.55 111 2017 02 02 09 27.91 111 2017 02 02 10 27.53 111 2017 02 02 11 27.86 111 2017 02 02 12 28.46 111 2017 02 02 13 28.91 111 2017 02 02 14 28.23 111 2017 02 02 15 28.37 111 2017 02 02 16 28.28 111 2017 02 02 17 28.09 111 2017 02 02 18 27.98 111 2017 02 02 19 27.82 111 2017 02 02 20 27.97 111 2017 02 02 21 27.87 111 2017 02 02 22 28.01 111 2017 02 02 23 28.14 111 2017 02 03 00 28.21 111 2017 02 03 01 28.20 111 2017 02 03 02 28.15 111 2017 02 03 03 28.09 111 2017 02 03 04 27.99 111 2017 02 03 05 27.75 111 2017 02 03 06 27.76 111 2017 02 03 07 27.73 111 2017 02 03 08 27.61 111 2017 02 03 09 27.66 111 2017 02 03 10 27.81 111 2017 02 03 11 28.06 111 2017 02 03 12 28.08 111 2017 02 03 13 28.19 111 2017 02 03 14 28.30 111 2017 02 03 15 28.45 111 2017 02 03 16 28.52 111 2017 02 03 17 28.51 111 2017 02 03 18 28.38 111 2017 02 03 19 28.40 111 2017 02 03 20 28.33 111 2017 02 03 21 28.36 111 2017 02 03 22 28.14 111 2017 02 03 23 28.09 111 2017 02 04 00 27.76 111 2017 02 04 01 27.56 111 2017 02 04 02 27.10 111 2017 02 04 03 26.96 111 2017 02 04 04 27.09 111 2017 02 04 05 26.51 111 2017 02 04 06 26.00 111 2017 02 04 07 25.20 111 2017 02 04 08 25.76 111 2017 02 04 09 26.16 111 2017 02 04 10 26.42 111 2017 02 04 11 26.70 111 2017 02 04 12 26.37 111 2017 02 04 13 26.11 111 2017 02 04 14 25.90 111 2017 02 04 15 25.40 111 2017 02 04 16 25.41 111 2017 02 04 17 25.20 111 2017 02 04 18 24.58 111 2017 02 04 19 24.76 111 2017 02 04 20 24.57 111 2017 02 04 21 24.88 111 2017 02 04 22 25.70 111 2017 02 04 23 26.34 111 2017 02 05 00 26.91 111 2017 02 05 01 26.96 111 2017 02 05 02 27.70 111 2017 02 05 03 27.88 111 2017 02 05 04 28.21 111 2017 02 05 05 28.28 111 2017 02 05 06 28.34 111 2017 02 05 07 28.41 111 2017 02 05 08 28.29 111 2017 02 05 09 28.29 111 2017 02 05 10 28.54 111 2017 02 05 11 28.49 111 2017 02 05 12 28.93 111 2017 02 05 13 29.35 111 2017 02 05 14 29.46 111 2017 02 05 15 29.56 111 2017 02 05 16 29.46 111 2017 02 05 17 29.67 111 2017 02 05 18 30.03 111 2017 02 05 19 30.33 111 2017 02 05 20 30.70 111 2017 02 05 21 9999.99 111 2017 02 05 22 29.99 111 2017 02 05 23 30.46 111 2017 02 06 00 29.77 111 2017 02 06 01 29.27 111 2017 02 06 02 28.87 111 2017 02 06 03 28.56 111 2017 02 06 04 28.34 111 2017 02 06 05 28.32 111 2017 02 06 06 28.21 111 2017 02 06 07 27.89 111 2017 02 06 08 27.76 111 2017 02 06 09 27.72 111 2017 02 06 10 27.31 111 2017 02 06 11 26.56 111 2017 02 06 12 26.77 111 2017 02 06 13 26.84 111 2017 02 06 14 27.24 111 2017 02 06 15 27.08 111 2017 02 06 16 26.74 111 2017 02 06 17 26.37 111 2017 02 06 18 26.44 111 2017 02 06 19 26.47 111 2017 02 06 20 26.53 111 2017 02 06 21 26.33 111 2017 02 06 22 26.24 111 2017 02 06 23 26.27 111 2017 02 07 00 26.04 111 2017 02 07 01 25.73 111 2017 02 07 02 25.25 111 2017 02 07 03 23.86 111 2017 02 07 04 22.86 111 2017 02 07 05 21.30 111 2017 02 07 06 21.46 111 2017 02 07 07 22.47 111 2017 02 07 08 23.01 111 2017 02 07 09 22.98 111 2017 02 07 10 22.62 111 2017 02 07 11 22.78 111 2017 02 07 12 22.53 111 2017 02 07 13 22.14 111 2017 02 07 14 21.81 111 2017 02 07 15 21.92 111 2017 02 07 16 21.76 111 2017 02 07 17 21.68 111 2017 02 07 18 22.71 111 2017 02 07 19 23.16 111 2017 02 07 20 23.98 111 2017 02 07 21 24.82 111 2017 02 07 22 24.27 111 2017 02 07 23 24.54 111 2017 02 08 00 25.79 111 2017 02 08 01 26.62 111 2017 02 08 02 27.01 111 2017 02 08 03 27.00 111 2017 02 08 04 27.06 111 2017 02 08 05 27.15 111 2017 02 08 06 27.10 111 2017 02 08 07 26.69 111 2017 02 08 08 26.33 111 2017 02 08 09 25.81 111 2017 02 08 10 25.32 111 2017 02 08 11 25.31 111 2017 02 08 12 25.29 111 2017 02 08 13 24.92 111 2017 02 08 14 24.54 111 2017 02 08 15 24.34 111 2017 02 08 16 23.90 111 2017 02 08 17 23.54 111 2017 02 08 18 23.59 111 2017 02 08 19 23.66 111 2017 02 08 20 23.66 111 2017 02 08 21 23.65 111 2017 02 08 22 23.47 111 2017 02 08 23 23.78 111 2017 02 09 00 24.54 111 2017 02 09 01 24.85 111 2017 02 09 02 24.61 111 2017 02 09 03 24.05 111 2017 02 09 04 24.09 111 2017 02 09 05 23.72 111 2017 02 09 06 23.25 111 2017 02 09 07 23.12 111 2017 02 09 08 21.88 111 2017 02 09 09 20.82 111 2017 02 09 10 19.87 111 2017 02 09 11 19.31 111 2017 02 09 12 19.55 111 2017 02 09 13 20.08 111 2017 02 09 14 20.28 111 2017 02 09 15 20.27 111 2017 02 09 16 20.29 111 2017 02 09 17 20.17 111 2017 02 09 18 19.81 111 2017 02 09 19 19.65 111 2017 02 09 20 19.68 111 2017 02 09 21 19.54 111 2017 02 09 22 19.52 111 2017 02 09 23 19.86 111 2017 02 10 00 20.25 111 2017 02 10 01 20.76 111 2017 02 10 02 21.59 111 2017 02 10 03 22.34 111 2017 02 10 04 23.30 111 2017 02 10 05 23.77 111 2017 02 10 06 23.88 111 2017 02 10 07 23.83 111 2017 02 10 08 24.29 111 2017 02 10 09 25.31 111 2017 02 10 10 25.08 111 2017 02 10 11 24.16 111 2017 02 10 12 24.01 111 2017 02 10 13 24.27 111 2017 02 10 14 24.74 111 2017 02 10 15 25.33 111 2017 02 10 16 25.81 111 2017 02 10 17 26.06 111 2017 02 10 18 26.13 111 2017 02 10 19 25.88 111 2017 02 10 20 25.96 111 2017 02 10 21 26.38 111 2017 02 10 22 26.30 111 2017 02 10 23 25.57 111 2017 02 11 00 24.87 111 2017 02 11 01 25.01 111 2017 02 11 02 25.62 111 2017 02 11 03 26.06 111 2017 02 11 04 26.08 111 2017 02 11 05 25.85 111 2017 02 11 06 25.43 111 2017 02 11 07 24.69 111 2017 02 11 08 24.06 111 2017 02 11 09 24.09 111 2017 02 11 10 24.12 111 2017 02 11 11 24.00 111 2017 02 11 12 23.73 111 2017 02 11 13 23.14 111 2017 02 11 14 22.34 111 2017 02 11 15 21.78 111 2017 02 11 16 21.54 111 2017 02 11 17 21.54 111 2017 02 11 18 21.58 111 2017 02 11 19 21.89 111 2017 02 11 20 22.76 111 2017 02 11 21 23.31 111 2017 02 11 22 23.74 111 2017 02 11 23 24.24 111 2017 02 12 00 24.53 111 2017 02 12 01 24.93 111 2017 02 12 02 25.34 111 2017 02 12 03 25.59 111 2017 02 12 04 25.61 111 2017 02 12 05 25.42 111 2017 02 12 06 25.18 111 2017 02 12 07 24.98 111 2017 02 12 08 24.97 111 2017 02 12 09 24.88 111 2017 02 12 10 24.80 111 2017 02 12 11 24.71 111 2017 02 12 12 24.74 111 2017 02 12 13 24.71 111 2017 02 12 14 24.76 111 2017 02 12 15 24.75 111 2017 02 12 16 24.88 111 2017 02 12 17 24.98 111 2017 02 12 18 24.95 111 2017 02 12 19 25.19 111 2017 02 12 20 25.33 111 2017 02 12 21 25.48 111 2017 02 12 22 25.49 111 2017 02 12 23 25.53 111 2017 02 13 00 9999.99 111 2017 02 13 01 25.56 111 2017 02 13 02 25.24 111 2017 02 13 03 25.00 111 2017 02 13 04 24.80 111 2017 02 13 05 24.67 111 2017 02 13 06 24.68 111 2017 02 13 07 24.44 111 2017 02 13 08 24.43 111 2017 02 13 09 24.23 111 2017 02 13 10 24.01 111 2017 02 13 11 23.74 111 2017 02 13 12 23.27 111 2017 02 13 13 22.72 111 2017 02 13 14 22.92 111 2017 02 13 15 22.53 111 2017 02 13 16 22.83 111 2017 02 13 17 23.40 111 2017 02 13 18 23.86 111 2017 02 13 19 24.22 111 2017 02 13 20 24.90 111 2017 02 13 21 24.92 111 2017 02 13 22 23.66 111 2017 02 13 23 24.00 111 2017 02 14 00 24.75 111 2017 02 14 01 24.98 111 2017 02 14 02 25.02 111 2017 02 14 03 25.17 111 2017 02 14 04 25.24 111 2017 02 14 05 25.20 111 2017 02 14 06 25.06 111 2017 02 14 07 25.29 111 2017 02 14 08 25.37 111 2017 02 14 09 25.34 111 2017 02 14 10 25.04 111 2017 02 14 11 24.64 111 2017 02 14 12 24.56 111 2017 02 14 13 24.86 111 2017 02 14 14 25.32 111 2017 02 14 15 25.44 111 2017 02 14 16 26.11 111 2017 02 14 17 27.28 111 2017 02 14 18 27.27 111 2017 02 14 19 27.04 111 2017 02 14 20 26.38 111 2017 02 14 21 26.24 111 2017 02 14 22 26.18 111 2017 02 14 23 25.81 111 2017 02 15 00 25.58 111 2017 02 15 01 25.87 111 2017 02 15 02 26.11 111 2017 02 15 03 26.22 111 2017 02 15 04 26.21 111 2017 02 15 05 25.43 111 2017 02 15 06 24.31 111 2017 02 15 07 23.73 111 2017 02 15 08 23.46 111 2017 02 15 09 23.57 111 2017 02 15 10 23.68 111 2017 02 15 11 23.84 111 2017 02 15 12 23.92 111 2017 02 15 13 24.04 111 2017 02 15 14 24.13 111 2017 02 15 15 24.20 111 2017 02 15 16 24.31 111 2017 02 15 17 24.38 111 2017 02 15 18 24.33 111 2017 02 15 19 24.17 111 2017 02 15 20 24.03 111 2017 02 15 21 23.84 111 2017 02 15 22 23.58 111 2017 02 15 23 23.23 111 2017 02 16 00 22.97 111 2017 02 16 01 22.98 111 2017 02 16 02 23.04 111 2017 02 16 03 23.20 111 2017 02 16 04 22.74 111 2017 02 16 05 22.96 111 2017 02 16 06 23.28 111 2017 02 16 07 23.40 111 2017 02 16 08 23.36 111 2017 02 16 09 23.31 111 2017 02 16 10 23.43 111 2017 02 16 11 23.52 111 2017 02 16 12 23.37 111 2017 02 16 13 23.08 111 2017 02 16 14 22.65 111 2017 02 16 15 22.59 111 2017 02 16 16 22.40 111 2017 02 16 17 21.55 111 2017 02 16 18 21.20 111 2017 02 16 19 20.79 111 2017 02 16 20 20.74 111 2017 02 16 21 20.46 111 2017 02 16 22 20.44 111 2017 02 16 23 20.36 111 2017 02 17 00 20.68 111 2017 02 17 01 21.05 111 2017 02 17 02 21.16 111 2017 02 17 03 21.35 111 2017 02 17 04 21.34 111 2017 02 17 05 21.42 111 2017 02 17 06 21.60 111 2017 02 17 07 21.81 111 2017 02 17 08 21.70 111 2017 02 17 09 21.97 111 2017 02 17 10 22.13 111 2017 02 17 11 22.41 111 2017 02 17 12 22.68 111 2017 02 17 13 22.85 111 2017 02 17 14 22.77 111 2017 02 17 15 22.55 111 2017 02 17 16 22.13 111 2017 02 17 17 21.90 111 2017 02 17 18 21.69 111 2017 02 17 19 21.56 111 2017 02 17 20 21.46 111 2017 02 17 21 21.51 111 2017 02 17 22 21.56 111 2017 02 17 23 21.52 111 2017 02 18 00 21.75 111 2017 02 18 01 22.08 111 2017 02 18 02 22.32 111 2017 02 18 03 22.41 111 2017 02 18 04 22.30 111 2017 02 18 05 22.12 111 2017 02 18 06 22.08 111 2017 02 18 07 22.08 111 2017 02 18 08 22.01 111 2017 02 18 09 22.21 111 2017 02 18 10 22.47 111 2017 02 18 11 22.53 111 2017 02 18 12 22.64 111 2017 02 18 13 22.93 111 2017 02 18 14 22.99 111 2017 02 18 15 23.08 111 2017 02 18 16 23.06 111 2017 02 18 17 22.95 111 2017 02 18 18 22.71 111 2017 02 18 19 22.60 111 2017 02 18 20 22.60 111 2017 02 18 21 22.61 111 2017 02 18 22 22.66 111 2017 02 18 23 22.62 111 2017 02 19 00 22.43 111 2017 02 19 01 22.17 111 2017 02 19 02 21.94 111 2017 02 19 03 21.68 111 2017 02 19 04 21.46 111 2017 02 19 05 21.13 111 2017 02 19 06 21.01 111 2017 02 19 07 21.01 111 2017 02 19 08 21.23 111 2017 02 19 09 21.79 111 2017 02 19 10 22.16 111 2017 02 19 11 21.94 111 2017 02 19 12 21.34 111 2017 02 19 13 21.25 111 2017 02 19 14 21.40 111 2017 02 19 15 21.35 111 2017 02 19 16 21.53 111 2017 02 19 17 21.60 111 2017 02 19 18 21.66 111 2017 02 19 19 21.63 111 2017 02 19 20 21.75 111 2017 02 19 21 9999.99 111 2017 02 19 22 9999.99 111 2017 02 19 23 9999.99 111 2017 02 24 20 20.70 111 2017 02 24 21 20.50 111 2017 02 24 22 20.32 111 2017 02 24 23 20.33 111 2017 02 25 00 20.43 111 2017 02 25 01 20.47 111 2017 02 25 02 20.52 111 2017 02 25 03 20.62 111 2017 02 25 04 20.44 111 2017 02 25 05 20.36 111 2017 02 25 06 20.38 111 2017 02 25 07 20.43 111 2017 02 25 08 20.51 111 2017 02 25 09 20.89 111 2017 02 25 10 21.37 111 2017 02 25 11 21.49 111 2017 02 25 12 21.72 111 2017 02 25 13 22.04 111 2017 02 25 14 22.36 111 2017 02 25 15 22.53 111 2017 02 25 16 22.77 111 2017 02 25 17 23.06 111 2017 02 25 18 23.35 111 2017 02 25 19 23.76 111 2017 02 25 20 24.15 111 2017 02 25 21 24.46 111 2017 02 25 22 24.60 111 2017 02 25 23 24.73 111 2017 02 26 00 24.89 111 2017 02 26 01 24.83 111 2017 02 26 02 24.47 111 2017 02 26 03 24.62 111 2017 02 26 04 24.26 111 2017 02 26 05 23.69 111 2017 02 26 06 23.05 111 2017 02 26 07 22.83 111 2017 02 26 08 22.50 111 2017 02 26 09 22.09 111 2017 02 26 10 21.79 111 2017 02 26 11 21.62 111 2017 02 26 12 21.55 111 2017 02 26 13 21.53 111 2017 02 26 14 21.74 111 2017 02 26 15 22.27 111 2017 02 26 16 22.68 111 2017 02 26 17 23.65 111 2017 02 26 18 23.92 111 2017 02 26 19 23.81 111 2017 02 26 20 9999.99 111 2017 02 26 21 9999.99 111 2017 02 26 22 24.49 111 2017 02 26 23 24.66 111 2017 02 27 00 24.63 111 2017 02 27 01 24.58 111 2017 02 27 02 24.47 111 2017 02 27 03 24.39 111 2017 02 27 04 24.41 111 2017 02 27 05 24.49 111 2017 02 27 06 24.50 111 2017 02 27 07 24.42 111 2017 02 27 08 24.37 111 2017 02 27 09 24.21 111 2017 02 27 10 24.08 111 2017 02 27 11 23.84 111 2017 02 27 12 23.60 111 2017 02 27 13 23.43 111 2017 02 27 14 23.09 111 2017 02 27 15 22.49 111 2017 02 27 16 22.49 111 2017 02 27 17 22.31 111 2017 02 27 18 22.61 111 2017 02 27 19 22.46 111 2017 02 27 20 22.32 111 2017 02 27 21 22.39 111 2017 02 27 22 22.70 111 2017 02 27 23 22.70 111 2017 02 28 00 22.75 111 2017 02 28 01 22.96 111 2017 02 28 02 22.92 111 2017 02 28 03 22.94 111 2017 02 28 04 22.96 111 2017 02 28 05 22.99 111 2017 02 28 06 23.00 111 2017 02 28 07 22.99 111 2017 02 28 08 22.94 111 2017 02 28 09 22.90 111 2017 02 28 10 22.86 111 2017 02 28 11 22.81 111 2017 02 28 12 22.80 111 2017 02 28 13 22.61 111 2017 02 28 14 22.36 111 2017 02 28 15 22.15 111 2017 02 28 16 21.70 111 2017 02 28 17 21.34 111 2017 02 28 18 21.22 111 2017 02 28 19 21.41 111 2017 02 28 20 22.05 111 2017 02 28 21 22.66 111 2017 02 28 22 23.16 111 2017 02 28 23 23.17