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-GMD 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 | (303) 497-6823 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) THD 2021 12 01 00 9999.99 THD 2021 12 09 00 36.20 THD 2021 12 09 01 36.71 THD 2021 12 09 02 38.07 THD 2021 12 09 03 37.49 THD 2021 12 09 04 36.64 THD 2021 12 09 05 37.38 THD 2021 12 09 06 36.93 THD 2021 12 09 07 36.15 THD 2021 12 09 08 33.85 THD 2021 12 09 09 31.37 THD 2021 12 09 10 33.53 THD 2021 12 09 11 32.70 THD 2021 12 09 12 34.06 THD 2021 12 09 13 33.16 THD 2021 12 09 14 33.90 THD 2021 12 09 15 29.59 THD 2021 12 09 16 28.34 THD 2021 12 09 17 29.20 THD 2021 12 09 18 30.52 THD 2021 12 09 19 31.43 THD 2021 12 09 20 34.02 THD 2021 12 09 21 34.80 THD 2021 12 09 22 35.65 THD 2021 12 09 23 35.95 THD 2021 12 10 00 35.61 THD 2021 12 10 01 34.12 THD 2021 12 10 02 33.89 THD 2021 12 10 03 33.87 THD 2021 12 10 04 31.82 THD 2021 12 10 05 33.12 THD 2021 12 10 06 32.43 THD 2021 12 10 07 32.26 THD 2021 12 10 08 31.47 THD 2021 12 10 09 30.06 THD 2021 12 10 10 30.38 THD 2021 12 10 11 29.94 THD 2021 12 10 12 30.76 THD 2021 12 10 13 27.90 THD 2021 12 10 14 26.22 THD 2021 12 10 15 24.91 THD 2021 12 10 16 22.08 THD 2021 12 10 17 16.65 THD 2021 12 10 18 19.62 THD 2021 12 10 19 25.12 THD 2021 12 10 20 27.02 THD 2021 12 10 21 29.66 THD 2021 12 10 22 33.51 THD 2021 12 10 23 34.62 THD 2021 12 11 00 33.29 THD 2021 12 11 01 32.85 THD 2021 12 11 02 30.57 THD 2021 12 11 03 21.19 THD 2021 12 11 04 20.65 THD 2021 12 11 05 19.15 THD 2021 12 11 06 18.60 THD 2021 12 11 07 21.51 THD 2021 12 11 08 21.18 THD 2021 12 11 09 23.23 THD 2021 12 11 10 22.15 THD 2021 12 11 11 22.91 THD 2021 12 11 12 26.44 THD 2021 12 11 13 29.73 THD 2021 12 11 14 30.48 THD 2021 12 11 15 32.48 THD 2021 12 11 16 33.57 THD 2021 12 11 17 31.94 THD 2021 12 11 18 30.98 THD 2021 12 11 19 30.87 THD 2021 12 11 20 29.53 THD 2021 12 11 21 30.28 THD 2021 12 11 22 30.60 THD 2021 12 11 23 30.94 THD 2021 12 12 00 31.14 THD 2021 12 12 01 32.32 THD 2021 12 12 02 32.87 THD 2021 12 12 03 33.27 THD 2021 12 12 04 33.89 THD 2021 12 12 05 33.87 THD 2021 12 12 06 33.93 THD 2021 12 12 07 33.83 THD 2021 12 12 08 33.91 THD 2021 12 12 09 33.86 THD 2021 12 12 10 30.87 THD 2021 12 12 11 31.24 THD 2021 12 12 12 32.73 THD 2021 12 12 13 32.66 THD 2021 12 12 14 36.66 THD 2021 12 12 15 36.98 THD 2021 12 12 16 32.45 THD 2021 12 12 17 29.90 THD 2021 12 12 18 32.46 THD 2021 12 12 19 30.60 THD 2021 12 12 20 31.44 THD 2021 12 12 21 29.12 THD 2021 12 12 22 26.50 THD 2021 12 12 23 26.11 THD 2021 12 13 00 24.34 THD 2021 12 13 01 23.77 THD 2021 12 13 02 25.59 THD 2021 12 13 03 25.21 THD 2021 12 13 04 28.49 THD 2021 12 13 05 29.01 THD 2021 12 13 06 32.38 THD 2021 12 13 07 32.92 THD 2021 12 13 08 32.89 THD 2021 12 13 09 34.23 THD 2021 12 13 10 31.61 THD 2021 12 13 11 31.12 THD 2021 12 13 12 30.03 THD 2021 12 13 13 30.18 THD 2021 12 13 14 32.25 THD 2021 12 13 15 37.64 THD 2021 12 13 16 36.81 THD 2021 12 13 17 38.25 THD 2021 12 13 18 37.06 THD 2021 12 13 19 35.53 THD 2021 12 13 20 35.55 THD 2021 12 13 21 38.56 THD 2021 12 13 22 40.12 THD 2021 12 13 23 40.32 THD 2021 12 14 00 40.37 THD 2021 12 14 01 39.37 THD 2021 12 14 02 37.64 THD 2021 12 14 03 40.27 THD 2021 12 14 04 38.48 THD 2021 12 14 05 34.58 THD 2021 12 14 06 37.42 THD 2021 12 14 07 26.65 THD 2021 12 14 08 26.81 THD 2021 12 14 09 27.38 THD 2021 12 14 10 30.44 THD 2021 12 14 11 32.60 THD 2021 12 14 12 33.32 THD 2021 12 14 13 32.93 THD 2021 12 14 14 32.42 THD 2021 12 14 15 28.27 THD 2021 12 14 16 26.77 THD 2021 12 14 17 27.44 THD 2021 12 14 18 27.72 THD 2021 12 14 19 29.71 THD 2021 12 14 20 32.38 THD 2021 12 14 21 34.16 THD 2021 12 14 22 34.48 THD 2021 12 14 23 30.88 THD 2021 12 15 00 26.05 THD 2021 12 15 01 25.23 THD 2021 12 15 02 24.21 THD 2021 12 15 03 23.26 THD 2021 12 15 04 23.15 THD 2021 12 15 05 23.69 THD 2021 12 15 06 22.51 THD 2021 12 15 07 23.41 THD 2021 12 15 08 26.31 THD 2021 12 15 09 26.37 THD 2021 12 15 10 27.58 THD 2021 12 15 11 29.37 THD 2021 12 15 12 30.32 THD 2021 12 15 13 33.18 THD 2021 12 15 14 33.49 THD 2021 12 15 15 33.67 THD 2021 12 15 16 34.76 THD 2021 12 15 17 35.07 THD 2021 12 15 18 34.00 THD 2021 12 15 19 32.98 THD 2021 12 15 20 32.51 THD 2021 12 15 21 30.86 THD 2021 12 15 22 30.85 THD 2021 12 15 23 31.77 THD 2021 12 16 00 31.75 THD 2021 12 16 01 30.70 THD 2021 12 16 02 31.70 THD 2021 12 16 03 32.26 THD 2021 12 16 04 31.98 THD 2021 12 16 05 31.18 THD 2021 12 16 06 30.76 THD 2021 12 16 07 32.04 THD 2021 12 16 08 32.03 THD 2021 12 16 09 31.02 THD 2021 12 16 10 30.64 THD 2021 12 16 11 31.18 THD 2021 12 16 12 33.56 THD 2021 12 16 13 30.19 THD 2021 12 16 14 31.62 THD 2021 12 16 15 32.86 THD 2021 12 16 16 28.80 THD 2021 12 16 17 26.80 THD 2021 12 16 18 26.58 THD 2021 12 16 19 28.53 THD 2021 12 16 20 30.05 THD 2021 12 16 21 32.26 THD 2021 12 16 22 32.71 THD 2021 12 16 23 34.16 THD 2021 12 17 00 35.32 THD 2021 12 17 01 35.84 THD 2021 12 17 02 33.53 THD 2021 12 17 03 25.50 THD 2021 12 17 04 25.53 THD 2021 12 17 05 28.86 THD 2021 12 17 06 31.52 THD 2021 12 17 07 32.36 THD 2021 12 17 08 26.08 THD 2021 12 17 09 21.39 THD 2021 12 17 10 19.83 THD 2021 12 17 11 19.93 THD 2021 12 17 12 18.68 THD 2021 12 17 13 18.96 THD 2021 12 17 14 19.05 THD 2021 12 17 15 19.01 THD 2021 12 17 16 16.60 THD 2021 12 17 17 15.74 THD 2021 12 17 18 15.33 THD 2021 12 17 19 18.54 THD 2021 12 17 20 21.32 THD 2021 12 17 21 22.16 THD 2021 12 17 22 22.97 THD 2021 12 17 23 23.50 THD 2021 12 18 00 24.74 THD 2021 12 18 01 24.87 THD 2021 12 18 02 21.27 THD 2021 12 18 03 19.96 THD 2021 12 18 04 21.51 THD 2021 12 18 05 19.54 THD 2021 12 18 06 18.03 THD 2021 12 18 07 14.60 THD 2021 12 18 08 16.11 THD 2021 12 18 09 16.22 THD 2021 12 18 10 13.07 THD 2021 12 18 11 14.79 THD 2021 12 18 12 17.64 THD 2021 12 18 13 18.35 THD 2021 12 18 14 16.62 THD 2021 12 18 15 18.15 THD 2021 12 18 16 14.09 THD 2021 12 18 17 16.80 THD 2021 12 18 18 17.29 THD 2021 12 18 19 23.21 THD 2021 12 18 20 22.12 THD 2021 12 18 21 20.14 THD 2021 12 18 22 20.34 THD 2021 12 18 23 22.05 THD 2021 12 19 00 20.97 THD 2021 12 19 01 18.42 THD 2021 12 19 02 10.58 THD 2021 12 19 03 8.86 THD 2021 12 19 04 9.18 THD 2021 12 19 05 10.35 THD 2021 12 19 06 9.78 THD 2021 12 19 07 13.03 THD 2021 12 19 08 17.48 THD 2021 12 19 09 18.74 THD 2021 12 19 10 23.65 THD 2021 12 19 11 20.99 THD 2021 12 19 12 17.29 THD 2021 12 19 13 18.83 THD 2021 12 19 14 18.78 THD 2021 12 19 15 20.05 THD 2021 12 19 16 23.95 THD 2021 12 19 17 24.80 THD 2021 12 19 18 22.36 THD 2021 12 19 19 22.45 THD 2021 12 19 20 29.00 THD 2021 12 19 21 29.36 THD 2021 12 19 22 28.11 THD 2021 12 19 23 29.38 THD 2021 12 20 00 28.82 THD 2021 12 20 01 28.56 THD 2021 12 20 02 29.15 THD 2021 12 20 03 29.76 THD 2021 12 20 04 30.30 THD 2021 12 20 05 31.59 THD 2021 12 20 06 31.27 THD 2021 12 20 07 31.80 THD 2021 12 20 08 31.97 THD 2021 12 20 09 32.21 THD 2021 12 20 10 32.28 THD 2021 12 20 11 28.63 THD 2021 12 20 12 30.58 THD 2021 12 20 13 32.51 THD 2021 12 20 14 34.01 THD 2021 12 20 15 35.08 THD 2021 12 20 16 33.03 THD 2021 12 20 17 34.94 THD 2021 12 20 18 34.44 THD 2021 12 20 19 34.46 THD 2021 12 20 20 33.86 THD 2021 12 20 21 32.89 THD 2021 12 20 22 30.86 THD 2021 12 20 23 30.62 THD 2021 12 21 00 29.43 THD 2021 12 21 01 31.12 THD 2021 12 21 02 34.91 THD 2021 12 21 03 35.70 THD 2021 12 21 04 35.74 THD 2021 12 21 05 36.37 THD 2021 12 21 06 36.72 THD 2021 12 21 07 37.13 THD 2021 12 21 08 37.07 THD 2021 12 21 09 37.34 THD 2021 12 21 10 38.21 THD 2021 12 21 11 38.93 THD 2021 12 21 12 39.96 THD 2021 12 21 13 39.52 THD 2021 12 21 14 38.99 THD 2021 12 21 15 38.20 THD 2021 12 21 16 35.59 THD 2021 12 21 17 36.66 THD 2021 12 21 18 36.56 THD 2021 12 21 19 37.35 THD 2021 12 21 20 36.30 THD 2021 12 21 21 35.84 THD 2021 12 21 22 36.37 THD 2021 12 21 23 35.27 THD 2021 12 22 00 33.37 THD 2021 12 22 01 32.64 THD 2021 12 22 02 32.35 THD 2021 12 22 03 31.41 THD 2021 12 22 04 31.97 THD 2021 12 22 05 32.38 THD 2021 12 22 06 29.58 THD 2021 12 22 07 28.07 THD 2021 12 22 08 29.66 THD 2021 12 22 09 27.98 THD 2021 12 22 10 27.15 THD 2021 12 22 11 27.02 THD 2021 12 22 12 25.88 THD 2021 12 22 13 24.37 THD 2021 12 22 14 19.51 THD 2021 12 22 15 23.24 THD 2021 12 22 16 22.91 THD 2021 12 22 17 24.24 THD 2021 12 22 18 22.99 THD 2021 12 22 19 24.78 THD 2021 12 22 20 31.09 THD 2021 12 22 21 31.03 THD 2021 12 22 22 32.54 THD 2021 12 22 23 30.53 THD 2021 12 23 00 31.03 THD 2021 12 23 01 30.40 THD 2021 12 23 02 30.03 THD 2021 12 23 03 32.70 THD 2021 12 23 04 35.40 THD 2021 12 23 05 33.64 THD 2021 12 23 06 35.53 THD 2021 12 23 07 35.21 THD 2021 12 23 08 37.13 THD 2021 12 23 09 37.50 THD 2021 12 23 10 36.73 THD 2021 12 23 11 36.58 THD 2021 12 23 12 37.32 THD 2021 12 23 13 32.35 THD 2021 12 23 14 33.14 THD 2021 12 23 15 28.17 THD 2021 12 23 16 26.62 THD 2021 12 23 17 29.15 THD 2021 12 23 18 33.20 THD 2021 12 23 19 37.02 THD 2021 12 23 20 35.12 THD 2021 12 23 21 34.27 THD 2021 12 23 22 34.13 THD 2021 12 23 23 33.92 THD 2021 12 24 00 36.23 THD 2021 12 24 01 35.99 THD 2021 12 24 02 35.39 THD 2021 12 24 03 33.26 THD 2021 12 24 04 31.85 THD 2021 12 24 05 27.96 THD 2021 12 24 06 22.49 THD 2021 12 24 07 23.56 THD 2021 12 24 08 21.44 THD 2021 12 24 09 22.27 THD 2021 12 24 10 23.03 THD 2021 12 24 11 24.84 THD 2021 12 24 12 24.25 THD 2021 12 24 13 26.68 THD 2021 12 24 14 29.18 THD 2021 12 24 15 30.06 THD 2021 12 24 16 31.36 THD 2021 12 24 17 35.61 THD 2021 12 24 18 36.17 THD 2021 12 24 19 41.53 THD 2021 12 24 20 40.33 THD 2021 12 24 21 40.08 THD 2021 12 24 22 39.92 THD 2021 12 24 23 39.99 THD 2021 12 25 00 40.10 THD 2021 12 25 01 40.42 THD 2021 12 25 02 40.94 THD 2021 12 25 03 41.38 THD 2021 12 25 04 41.18 THD 2021 12 25 05 39.04 THD 2021 12 25 06 37.53 THD 2021 12 25 07 36.96 THD 2021 12 25 08 38.80 THD 2021 12 25 09 39.08 THD 2021 12 25 10 39.39 THD 2021 12 25 11 34.95 THD 2021 12 25 12 34.31 THD 2021 12 25 13 33.98 THD 2021 12 25 14 31.93 THD 2021 12 25 15 30.97 THD 2021 12 25 16 28.32 THD 2021 12 25 17 28.38 THD 2021 12 25 18 31.75 THD 2021 12 25 19 35.72 THD 2021 12 25 20 38.19 THD 2021 12 25 21 38.44 THD 2021 12 25 22 39.01 THD 2021 12 25 23 38.83 THD 2021 12 26 00 40.47 THD 2021 12 26 01 43.19 THD 2021 12 26 02 40.98 THD 2021 12 26 03 40.35 THD 2021 12 26 04 40.95 THD 2021 12 26 05 39.56 THD 2021 12 26 06 40.64 THD 2021 12 26 07 41.73 THD 2021 12 26 08 40.96 THD 2021 12 26 09 40.78 THD 2021 12 26 10 40.79 THD 2021 12 26 11 40.90 THD 2021 12 26 12 40.54 THD 2021 12 26 13 40.59 THD 2021 12 26 14 38.80 THD 2021 12 26 15 35.30 THD 2021 12 26 16 32.99 THD 2021 12 26 17 34.17 THD 2021 12 26 18 34.12 THD 2021 12 26 19 35.67 THD 2021 12 26 20 36.04 THD 2021 12 26 21 41.46 THD 2021 12 26 22 41.41 THD 2021 12 26 23 41.47 THD 2021 12 27 00 41.71 THD 2021 12 27 01 42.19 THD 2021 12 27 02 41.76 THD 2021 12 27 03 41.57 THD 2021 12 27 04 41.37 THD 2021 12 27 05 41.45 THD 2021 12 27 06 41.52 THD 2021 12 27 07 41.20 THD 2021 12 27 08 41.71 THD 2021 12 27 09 43.32 THD 2021 12 27 10 43.20 THD 2021 12 27 11 42.36 THD 2021 12 27 12 42.59 THD 2021 12 27 13 42.46 THD 2021 12 27 14 41.45 THD 2021 12 27 15 39.75 THD 2021 12 27 16 38.03 THD 2021 12 27 17 37.50 THD 2021 12 27 18 35.86 THD 2021 12 27 19 36.62 THD 2021 12 27 20 36.36 THD 2021 12 27 21 38.51 THD 2021 12 27 22 36.83 THD 2021 12 27 23 32.78 THD 2021 12 28 00 31.76 THD 2021 12 28 01 30.63 THD 2021 12 28 02 25.19 THD 2021 12 28 03 22.32 THD 2021 12 28 04 21.16 THD 2021 12 28 05 23.06 THD 2021 12 28 06 23.72 THD 2021 12 28 07 25.45 THD 2021 12 28 08 26.37 THD 2021 12 28 09 27.09 THD 2021 12 28 10 26.57 THD 2021 12 28 11 27.60 THD 2021 12 28 12 32.09 THD 2021 12 28 13 32.27 THD 2021 12 28 14 30.45 THD 2021 12 28 15 30.40 THD 2021 12 28 16 32.05 THD 2021 12 28 17 33.45 THD 2021 12 28 18 32.72 THD 2021 12 28 19 31.70 THD 2021 12 28 20 30.88 THD 2021 12 28 21 30.85 THD 2021 12 28 22 30.97 THD 2021 12 28 23 30.77 THD 2021 12 29 00 29.48 THD 2021 12 29 01 29.74 THD 2021 12 29 02 29.05 THD 2021 12 29 03 29.20 THD 2021 12 29 04 28.34 THD 2021 12 29 05 27.98 THD 2021 12 29 06 26.82 THD 2021 12 29 07 25.81 THD 2021 12 29 08 26.81 THD 2021 12 29 09 26.76 THD 2021 12 29 10 26.98 THD 2021 12 29 11 27.88 THD 2021 12 29 12 27.11 THD 2021 12 29 13 25.67 THD 2021 12 29 14 24.83 THD 2021 12 29 15 28.20 THD 2021 12 29 16 28.76 THD 2021 12 29 17 23.31 THD 2021 12 29 18 22.24 THD 2021 12 29 19 25.45 THD 2021 12 29 20 31.46 THD 2021 12 29 21 31.22 THD 2021 12 29 22 31.45 THD 2021 12 29 23 31.52 THD 2021 12 30 00 31.01 THD 2021 12 30 01 29.94 THD 2021 12 30 02 28.70 THD 2021 12 30 03 25.24 THD 2021 12 30 04 24.33 THD 2021 12 30 05 20.13 THD 2021 12 30 06 24.80 THD 2021 12 30 07 23.55 THD 2021 12 30 08 22.76 THD 2021 12 30 09 21.16 THD 2021 12 30 10 17.82 THD 2021 12 30 11 14.21 THD 2021 12 30 12 18.33 THD 2021 12 30 13 16.84 THD 2021 12 30 14 17.43 THD 2021 12 30 15 14.27 THD 2021 12 30 16 14.90 THD 2021 12 30 17 16.00 THD 2021 12 30 18 19.83 THD 2021 12 30 19 24.39 THD 2021 12 30 20 24.92 THD 2021 12 30 21 32.99 THD 2021 12 30 22 34.94 THD 2021 12 30 23 36.23 THD 2021 12 31 00 37.94 THD 2021 12 31 01 38.55 THD 2021 12 31 02 37.74 THD 2021 12 31 03 34.36 THD 2021 12 31 04 31.53 THD 2021 12 31 05 23.85 THD 2021 12 31 06 29.53 THD 2021 12 31 07 30.80 THD 2021 12 31 08 33.39 THD 2021 12 31 09 25.85 THD 2021 12 31 10 26.86 THD 2021 12 31 11 31.48 THD 2021 12 31 12 35.67 THD 2021 12 31 13 34.09 THD 2021 12 31 14 29.81 THD 2021 12 31 15 27.96 THD 2021 12 31 16 33.21 THD 2021 12 31 17 27.68 THD 2021 12 31 18 31.00 THD 2021 12 31 19 33.74 THD 2021 12 31 20 34.13 THD 2021 12 31 21 35.69 THD 2021 12 31 22 36.58 THD 2021 12 31 23 36.77