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) THD 2023 02 01 00 37.79 THD 2023 02 01 01 35.05 THD 2023 02 01 02 30.18 THD 2023 02 01 03 32.93 THD 2023 02 01 04 33.21 THD 2023 02 01 05 34.66 THD 2023 02 01 06 33.16 THD 2023 02 01 07 33.56 THD 2023 02 01 08 35.91 THD 2023 02 01 09 35.46 THD 2023 02 01 10 33.82 THD 2023 02 01 11 33.44 THD 2023 02 01 12 28.38 THD 2023 02 01 13 33.28 THD 2023 02 01 14 34.90 THD 2023 02 01 15 34.42 THD 2023 02 01 16 31.78 THD 2023 02 01 17 27.24 THD 2023 02 01 18 28.41 THD 2023 02 01 19 29.43 THD 2023 02 01 20 28.13 THD 2023 02 01 21 30.77 THD 2023 02 01 22 34.28 THD 2023 02 01 23 37.21 THD 2023 02 02 00 39.91 THD 2023 02 02 01 40.61 THD 2023 02 02 02 39.51 THD 2023 02 02 03 42.18 THD 2023 02 02 04 42.74 THD 2023 02 02 05 34.42 THD 2023 02 02 06 31.47 THD 2023 02 02 07 28.00 THD 2023 02 02 08 24.09 THD 2023 02 02 09 36.32 THD 2023 02 02 10 36.87 THD 2023 02 02 11 37.53 THD 2023 02 02 12 37.50 THD 2023 02 02 13 37.73 THD 2023 02 02 14 34.94 THD 2023 02 02 15 35.16 THD 2023 02 02 16 35.29 THD 2023 02 02 17 32.82 THD 2023 02 02 18 32.20 THD 2023 02 02 19 34.80 THD 2023 02 02 20 33.85 THD 2023 02 02 21 35.24 THD 2023 02 02 22 40.33 THD 2023 02 02 23 44.08 THD 2023 02 03 00 43.67 THD 2023 02 03 01 45.35 THD 2023 02 03 02 46.51 THD 2023 02 03 03 48.01 THD 2023 02 03 04 46.88 THD 2023 02 03 05 46.32 THD 2023 02 03 06 47.98 THD 2023 02 03 07 48.40 THD 2023 02 03 08 48.91 THD 2023 02 03 09 47.87 THD 2023 02 03 10 45.61 THD 2023 02 03 11 42.17 THD 2023 02 03 12 41.50 THD 2023 02 03 13 40.72 THD 2023 02 03 14 40.68 THD 2023 02 03 15 40.20 THD 2023 02 03 16 38.53 THD 2023 02 03 17 37.34 THD 2023 02 03 18 33.75 THD 2023 02 03 19 39.19 THD 2023 02 03 20 40.37 THD 2023 02 03 21 40.78 THD 2023 02 03 22 39.28 THD 2023 02 03 23 39.62 THD 2023 02 04 00 41.33 THD 2023 02 04 01 39.72 THD 2023 02 04 02 35.05 THD 2023 02 04 03 32.22 THD 2023 02 04 04 32.12 THD 2023 02 04 05 32.65 THD 2023 02 04 06 30.02 THD 2023 02 04 07 30.49 THD 2023 02 04 08 29.28 THD 2023 02 04 09 28.78 THD 2023 02 04 10 28.02 THD 2023 02 04 11 30.78 THD 2023 02 04 12 31.40 THD 2023 02 04 13 28.95 THD 2023 02 04 14 28.54 THD 2023 02 04 15 29.38 THD 2023 02 04 16 31.81 THD 2023 02 04 17 32.37 THD 2023 02 04 18 32.07 THD 2023 02 04 19 33.11 THD 2023 02 04 20 32.36 THD 2023 02 04 21 36.15 THD 2023 02 04 22 36.96 THD 2023 02 04 23 34.94 THD 2023 02 05 00 36.36 THD 2023 02 05 01 34.50 THD 2023 02 05 02 35.77 THD 2023 02 05 03 38.24 THD 2023 02 05 04 41.82 THD 2023 02 05 05 44.20 THD 2023 02 05 06 46.33 THD 2023 02 05 07 42.82 THD 2023 02 05 08 41.86 THD 2023 02 05 09 42.07 THD 2023 02 05 10 41.04 THD 2023 02 05 11 39.90 THD 2023 02 05 12 41.31 THD 2023 02 05 13 42.31 THD 2023 02 05 14 42.34 THD 2023 02 05 15 41.99 THD 2023 02 05 16 42.34 THD 2023 02 05 17 41.21 THD 2023 02 05 18 41.55 THD 2023 02 05 19 41.02 THD 2023 02 05 20 40.02 THD 2023 02 05 21 9999.99 THD 2023 02 05 22 9999.99 THD 2023 02 06 00 32.47 THD 2023 02 06 01 37.36 THD 2023 02 06 02 36.93 THD 2023 02 06 03 36.57 THD 2023 02 06 04 36.74 THD 2023 02 06 05 34.33 THD 2023 02 06 06 34.11 THD 2023 02 06 07 31.92 THD 2023 02 06 08 32.58 THD 2023 02 06 09 33.92 THD 2023 02 06 10 33.58 THD 2023 02 06 11 33.50 THD 2023 02 06 12 31.00 THD 2023 02 06 13 31.31 THD 2023 02 06 14 32.51 THD 2023 02 06 15 33.54 THD 2023 02 06 16 24.31 THD 2023 02 06 17 26.40 THD 2023 02 06 18 23.80 THD 2023 02 06 19 27.85 THD 2023 02 06 20 28.48 THD 2023 02 06 21 29.35 THD 2023 02 06 22 29.98 THD 2023 02 06 23 30.78 THD 2023 02 07 00 36.31 THD 2023 02 07 01 35.34 THD 2023 02 07 02 33.89 THD 2023 02 07 03 33.55 THD 2023 02 07 04 32.65 THD 2023 02 07 05 34.51 THD 2023 02 07 06 34.45 THD 2023 02 07 07 27.14 THD 2023 02 07 08 29.70 THD 2023 02 07 09 27.36 THD 2023 02 07 10 22.15 THD 2023 02 07 11 28.32 THD 2023 02 07 12 28.28 THD 2023 02 07 13 19.63 THD 2023 02 07 14 16.04 THD 2023 02 07 15 14.10 THD 2023 02 07 16 10.82 THD 2023 02 07 17 12.22 THD 2023 02 07 18 13.56 THD 2023 02 07 19 20.93 THD 2023 02 07 20 23.75 THD 2023 02 07 21 26.43 THD 2023 02 07 22 25.31 THD 2023 02 07 23 23.21 THD 2023 02 08 00 28.26 THD 2023 02 08 01 23.40 THD 2023 02 08 02 29.41 THD 2023 02 08 03 32.48 THD 2023 02 08 04 34.16 THD 2023 02 08 05 33.48 THD 2023 02 08 06 29.00 THD 2023 02 08 07 22.69 THD 2023 02 08 08 28.10 THD 2023 02 08 09 23.07 THD 2023 02 08 10 21.39 THD 2023 02 08 11 19.15 THD 2023 02 08 12 16.82 THD 2023 02 08 13 18.68 THD 2023 02 08 14 19.35 THD 2023 02 08 15 14.52 THD 2023 02 08 16 15.89 THD 2023 02 08 17 20.69 THD 2023 02 08 18 21.53 THD 2023 02 08 19 24.06 THD 2023 02 08 20 21.44 THD 2023 02 08 21 18.95 THD 2023 02 08 22 19.86 THD 2023 02 08 23 22.97 THD 2023 02 09 00 25.43 THD 2023 02 09 01 27.16 THD 2023 02 09 02 25.59 THD 2023 02 09 03 20.55 THD 2023 02 09 04 19.01 THD 2023 02 09 05 20.28 THD 2023 02 09 06 19.92 THD 2023 02 09 07 21.88 THD 2023 02 09 08 23.16 THD 2023 02 09 09 19.82 THD 2023 02 09 10 16.68 THD 2023 02 09 11 16.09 THD 2023 02 09 12 16.53 THD 2023 02 09 13 19.67 THD 2023 02 09 14 20.77 THD 2023 02 09 15 21.29 THD 2023 02 09 16 16.09 THD 2023 02 09 17 16.30 THD 2023 02 09 18 18.58 THD 2023 02 09 19 22.96 THD 2023 02 09 20 23.84 THD 2023 02 09 21 27.35 THD 2023 02 09 22 32.23 THD 2023 02 09 23 34.33 THD 2023 02 10 00 37.72 THD 2023 02 10 01 38.74 THD 2023 02 10 02 38.61 THD 2023 02 10 03 39.29 THD 2023 02 10 04 37.89 THD 2023 02 10 05 35.10 THD 2023 02 10 06 29.89 THD 2023 02 10 07 25.34 THD 2023 02 10 08 24.40 THD 2023 02 10 09 20.94 THD 2023 02 10 10 29.43 THD 2023 02 10 11 31.70 THD 2023 02 10 12 26.77 THD 2023 02 10 13 26.97 THD 2023 02 10 14 31.62 THD 2023 02 10 15 28.41 THD 2023 02 10 16 21.79 THD 2023 02 10 17 27.97 THD 2023 02 10 18 44.95 THD 2023 02 10 19 44.83 THD 2023 02 10 20 41.09 THD 2023 02 10 21 39.67 THD 2023 02 10 22 39.44 THD 2023 02 10 23 39.52 THD 2023 02 11 00 38.63 THD 2023 02 11 01 33.04 THD 2023 02 11 02 27.12 THD 2023 02 11 03 30.35 THD 2023 02 11 04 32.01 THD 2023 02 11 05 32.01 THD 2023 02 11 06 35.55 THD 2023 02 11 07 38.94 THD 2023 02 11 08 33.61 THD 2023 02 11 09 34.62 THD 2023 02 11 10 33.40 THD 2023 02 11 11 31.08 THD 2023 02 11 12 30.30 THD 2023 02 11 13 25.80 THD 2023 02 11 14 27.53 THD 2023 02 11 15 25.04 THD 2023 02 11 16 25.35 THD 2023 02 11 17 26.28 THD 2023 02 11 18 26.98 THD 2023 02 11 19 28.04 THD 2023 02 11 20 28.92 THD 2023 02 11 21 29.57 THD 2023 02 11 22 29.48 THD 2023 02 11 23 30.42 THD 2023 02 12 00 32.04 THD 2023 02 12 01 31.78 THD 2023 02 12 02 30.74 THD 2023 02 12 03 27.67 THD 2023 02 12 04 23.36 THD 2023 02 12 05 21.53 THD 2023 02 12 06 24.31 THD 2023 02 12 07 26.39 THD 2023 02 12 08 20.03 THD 2023 02 12 09 18.82 THD 2023 02 12 10 18.97 THD 2023 02 12 11 18.97 THD 2023 02 12 12 19.70 THD 2023 02 12 13 22.88 THD 2023 02 12 14 24.42 THD 2023 02 12 15 14.10 THD 2023 02 12 16 16.68 THD 2023 02 12 17 14.86 THD 2023 02 12 18 15.14 THD 2023 02 12 19 15.78 THD 2023 02 12 20 20.47 THD 2023 02 12 21 22.09 THD 2023 02 12 22 24.18 THD 2023 02 12 23 26.00 THD 2023 02 13 00 27.07 THD 2023 02 13 01 25.81 THD 2023 02 13 02 27.25 THD 2023 02 13 03 26.48 THD 2023 02 13 04 26.19 THD 2023 02 13 05 27.50 THD 2023 02 13 06 31.67 THD 2023 02 13 07 35.50 THD 2023 02 13 08 33.21 THD 2023 02 13 09 33.63 THD 2023 02 13 10 32.57 THD 2023 02 13 11 26.57 THD 2023 02 13 12 27.09 THD 2023 02 13 13 28.50 THD 2023 02 13 14 39.56 THD 2023 02 13 15 39.25 THD 2023 02 13 16 38.44 THD 2023 02 13 17 39.44 THD 2023 02 13 18 40.87 THD 2023 02 13 19 41.03 THD 2023 02 13 20 41.50 THD 2023 02 13 21 39.50 THD 2023 02 13 22 39.68 THD 2023 02 13 23 40.71 THD 2023 02 14 00 41.72 THD 2023 02 14 01 40.45 THD 2023 02 14 02 40.92 THD 2023 02 14 03 40.59 THD 2023 02 14 04 36.98 THD 2023 02 14 05 37.43 THD 2023 02 14 06 35.26 THD 2023 02 14 07 38.15 THD 2023 02 14 08 39.62 THD 2023 02 14 09 36.19 THD 2023 02 14 10 35.46 THD 2023 02 14 11 36.79 THD 2023 02 14 12 34.05 THD 2023 02 14 13 31.71 THD 2023 02 14 14 35.23 THD 2023 02 14 15 39.04 THD 2023 02 14 16 38.31 THD 2023 02 14 17 38.40 THD 2023 02 14 18 34.52 THD 2023 02 14 19 36.40 THD 2023 02 14 20 38.46 THD 2023 02 14 21 39.48 THD 2023 02 14 22 39.03 THD 2023 02 14 23 39.01 THD 2023 02 15 00 38.36 THD 2023 02 15 01 36.29 THD 2023 02 15 02 35.41 THD 2023 02 15 03 34.53 THD 2023 02 15 04 29.53 THD 2023 02 15 05 29.33 THD 2023 02 15 06 30.62 THD 2023 02 15 07 30.84 THD 2023 02 15 08 33.36 THD 2023 02 15 09 28.99 THD 2023 02 15 10 25.14 THD 2023 02 15 11 22.40 THD 2023 02 15 12 24.69 THD 2023 02 15 13 27.50 THD 2023 02 15 14 26.50 THD 2023 02 15 15 27.49 THD 2023 02 15 16 29.29 THD 2023 02 15 17 28.93 THD 2023 02 15 18 29.02 THD 2023 02 15 19 30.08 THD 2023 02 15 20 30.80 THD 2023 02 15 21 31.72 THD 2023 02 15 22 29.83 THD 2023 02 15 23 31.49 THD 2023 02 16 00 32.34 THD 2023 02 16 01 31.34 THD 2023 02 16 02 28.83 THD 2023 02 16 03 27.75 THD 2023 02 16 04 29.23 THD 2023 02 16 05 27.17 THD 2023 02 16 06 26.07 THD 2023 02 16 07 27.64 THD 2023 02 16 08 21.75 THD 2023 02 16 09 24.59 THD 2023 02 16 10 21.55 THD 2023 02 16 11 21.58 THD 2023 02 16 12 27.45 THD 2023 02 16 13 25.92 THD 2023 02 16 14 25.84 THD 2023 02 16 15 28.39 THD 2023 02 16 16 30.80 THD 2023 02 16 17 31.91 THD 2023 02 16 18 31.74 THD 2023 02 16 19 30.10 THD 2023 02 16 20 30.56 THD 2023 02 16 21 31.74 THD 2023 02 16 22 32.13 THD 2023 02 16 23 36.02 THD 2023 02 17 00 37.74 THD 2023 02 17 01 36.38 THD 2023 02 17 02 38.85 THD 2023 02 17 03 40.62 THD 2023 02 17 04 29.84 THD 2023 02 17 05 27.41 THD 2023 02 17 06 32.29 THD 2023 02 17 07 34.29 THD 2023 02 17 08 37.20 THD 2023 02 17 09 37.85 THD 2023 02 17 10 40.61 THD 2023 02 17 11 39.22 THD 2023 02 17 12 39.29 THD 2023 02 17 13 38.29 THD 2023 02 17 14 37.83 THD 2023 02 17 15 39.95 THD 2023 02 17 16 36.88 THD 2023 02 17 17 37.97 THD 2023 02 17 18 37.41 THD 2023 02 17 19 40.21 THD 2023 02 17 20 35.89 THD 2023 02 17 21 35.57 THD 2023 02 17 22 38.28 THD 2023 02 17 23 36.29 THD 2023 02 18 00 39.01 THD 2023 02 18 01 39.46 THD 2023 02 18 02 39.93 THD 2023 02 18 03 35.72 THD 2023 02 18 04 35.39 THD 2023 02 18 05 36.32 THD 2023 02 18 06 33.59 THD 2023 02 18 07 32.30 THD 2023 02 18 08 33.76 THD 2023 02 18 09 34.83 THD 2023 02 18 10 35.24 THD 2023 02 18 11 35.04 THD 2023 02 18 12 34.95 THD 2023 02 18 13 35.22 THD 2023 02 18 14 35.37 THD 2023 02 18 15 30.75 THD 2023 02 18 16 29.85 THD 2023 02 18 17 31.59 THD 2023 02 18 18 29.59 THD 2023 02 18 19 27.50 THD 2023 02 18 20 28.67 THD 2023 02 18 21 32.62 THD 2023 02 18 22 35.06 THD 2023 02 18 23 38.65 THD 2023 02 19 00 40.72 THD 2023 02 19 01 37.07 THD 2023 02 19 02 35.81 THD 2023 02 19 03 32.49 THD 2023 02 19 04 30.10 THD 2023 02 19 05 27.47 THD 2023 02 19 06 34.06 THD 2023 02 19 07 34.40 THD 2023 02 19 08 32.88 THD 2023 02 19 09 32.32 THD 2023 02 19 10 29.83 THD 2023 02 19 11 26.36 THD 2023 02 19 12 21.44 THD 2023 02 19 13 17.58 THD 2023 02 19 14 16.64 THD 2023 02 19 15 17.21 THD 2023 02 19 16 17.16 THD 2023 02 19 17 17.36 THD 2023 02 19 18 21.21 THD 2023 02 19 19 25.20 THD 2023 02 19 20 29.40 THD 2023 02 19 21 30.98 THD 2023 02 19 22 34.29 THD 2023 02 19 23 35.80 THD 2023 02 20 00 36.29 THD 2023 02 20 01 35.84 THD 2023 02 20 02 33.67 THD 2023 02 20 03 32.89 THD 2023 02 20 04 30.23 THD 2023 02 20 05 29.13 THD 2023 02 20 06 31.28 THD 2023 02 20 07 31.01 THD 2023 02 20 08 30.32 THD 2023 02 20 09 26.31 THD 2023 02 20 10 28.39 THD 2023 02 20 11 24.73 THD 2023 02 20 12 17.12 THD 2023 02 20 13 17.69 THD 2023 02 20 14 21.95 THD 2023 02 20 15 20.41 THD 2023 02 20 16 18.07 THD 2023 02 20 17 17.27 THD 2023 02 20 18 21.81 THD 2023 02 20 19 23.84 THD 2023 02 20 20 23.03 THD 2023 02 20 21 34.84 THD 2023 02 20 22 37.97 THD 2023 02 20 23 37.34 THD 2023 02 21 00 38.37 THD 2023 02 21 01 36.88 THD 2023 02 21 02 33.63 THD 2023 02 21 03 35.53 THD 2023 02 21 04 38.33 THD 2023 02 21 05 36.66 THD 2023 02 21 06 34.20 THD 2023 02 21 07 32.60 THD 2023 02 21 08 26.65 THD 2023 02 21 09 30.90 THD 2023 02 21 10 29.02 THD 2023 02 21 11 30.48 THD 2023 02 21 12 30.31 THD 2023 02 21 13 31.53 THD 2023 02 21 14 36.29 THD 2023 02 21 15 42.78 THD 2023 02 21 16 44.08 THD 2023 02 21 17 42.61 THD 2023 02 21 18 40.71 THD 2023 02 21 19 38.74 THD 2023 02 21 20 39.64 THD 2023 02 21 21 41.34 THD 2023 02 21 22 41.18 THD 2023 02 21 23 38.74 THD 2023 02 22 00 37.70 THD 2023 02 22 01 36.60 THD 2023 02 22 02 36.42 THD 2023 02 22 03 37.86 THD 2023 02 22 04 9999.99