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Gordon, Svetlana Jevrejeva, and Jeff Pugh (2013), “New Data Systems and Products at the Permanent Service for Mean Sea Level.” Journal of Coastal Research 29(3), pp. 493-504. doi:10.2112/JCOASTRES-D-12-00175.1." ], "seasonal_cycle_source":"Calculated", "seasonal_cycle":[0.033, 0.038, 0.032, 0.015, 0.014, -0.022, -0.018, -0.047, -0.046, -0.023, -0.008, 0.020], "suggested_rebase_yr":1900, "msl_headers":["year", "month", "NOAA_adjusted_MSL", "NOAA_unverified", "NOAA_linear_trend", "NOAA_high_conf", "NOAA_low_conf", "PSMSL_rlr_MSL", "PSMSL_num_missing_days", "PSMSL_dataflag", "NOAA_raw_MSL", "NOAA_interpolated", "msl_raw", "msl_adj"], "msl_data":[ [1958, 1, null, null, null, null, null, 7261, 0, "000", null, null, 7.261, 7.228], [1958, 2, null, null, null, null, null, 7237, 0, "000", null, null, 7.237, 7.199], [1958, 3, null, null, null, null, null, 7191, 0, "000", null, null, 7.191, 7.159], [1958, 4, null, null, null, null, null, 7204, 0, "000", null, null, 7.204, 7.189], [1958, 5, null, 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