EXTRA-TROPICAL  STORM  SURGE  2.3
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#Ketchikan, AK : 02/07/2023 11:20:34 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/05 12Z,  -0.10,  10.91,  11.15,  99.90,   0.34,
02/05 13Z,  -0.20,   8.10,   8.27,  99.90,   0.37,
02/05 14Z,  -0.30,   5.59,   5.68,  99.90,   0.39,
02/05 15Z,  -0.30,   4.15,   4.17,  99.90,   0.32,  (min)
02/05 16Z,  -0.40,   4.22,   4.31,  99.90,   0.49,
02/05 17Z,  -0.40,   5.79,   5.94,  99.90,   0.55,
02/05 18Z,  -0.50,   8.44,   8.68,  99.90,   0.74,
02/05 19Z,  -0.50,  11.51,  11.80,  99.90,   0.79,
02/05 20Z,  -0.50,  14.21,  14.49,  99.90,   0.78,
02/05 21Z,  -0.50,  15.83,  16.05,  99.90,   0.72,  (max)
02/05 22Z,  -0.40,  15.85,  15.87,  99.90,   0.42,
02/05 23Z,  -0.30,  14.07,  14.11,  99.90,   0.34,
02/06 00Z,  -0.10,  10.78,  10.85,  99.90,   0.17,
02/06 01Z,  -0.10,   6.67,   6.86,  99.90,   0.29,
02/06 02Z,   0.00,   2.73,   2.98,  99.90,   0.25,
02/06 03Z,   0.00,  -0.05,   0.24,  99.90,   0.29,
02/06 04Z,   0.10,  -1.03,  -0.79,  99.90,   0.14,  (min)
02/06 05Z,   0.10,  -0.01,   0.25,  99.90,   0.16,
02/06 06Z,   0.40,   2.65,   3.06,  99.90,   0.01,
02/06 07Z,   0.40,   6.26,   6.79,  99.90,   0.13,
02/06 08Z,   0.50,   9.96,  10.55,  99.90,   0.09,
02/06 09Z,   0.60,  12.90,  13.49,  99.90,  -0.01,
02/06 10Z,   0.70,  14.42,  14.91,  99.90,  -0.21,  (max)
02/06 11Z,   0.70,  14.21,  14.65,  99.90,  -0.26,
02/06 12Z,   0.80,  12.38,  12.94,  99.90,  -0.24,
02/06 13Z,   0.70,   9.51,  10.08,  99.90,  -0.13,
02/06 14Z,   0.60,   6.48,   6.91,  99.90,  -0.17,
02/06 15Z,   0.60,   4.20,   4.59,  99.90,  -0.21,
02/06 16Z,   0.50,   3.36,   3.63,  99.90,  -0.23,  (min)
02/06 17Z,   0.50,   4.19,   4.50,  99.90,  -0.19,
02/06 18Z,   0.20,   6.46,   6.76,  99.90,   0.10,
02/06 19Z,   0.20,   9.57,   9.98,  99.90,   0.21,
02/06 20Z,   0.20,  12.74,  13.12,  99.90,   0.18,
02/06 21Z,   0.20,  15.16,  15.47,  99.90,   0.11,
02/06 22Z,   0.20,  16.15,  16.32,  99.90,  -0.03,  (max)
02/06 23Z,   0.30,  15.33,  15.35,  99.90,  -0.28,
02/07 00Z,   0.00,  12.72,  12.71,  99.90,  -0.01,
02/07 01Z,   0.00,   8.84,   8.78,  99.90,  -0.06,
02/07 02Z,   0.00,   4.61,   4.63,  99.90,   0.02,
02/07 03Z,   0.00,   1.07,   1.15,  99.90,   0.08,
02/07 04Z,   0.00,  -0.89,  -0.84,  99.90,   0.05,  (min)
02/07 05Z,   0.10,  -0.83,  -0.73,  99.90,   0.00,
02/07 06Z,   0.00,   1.15,   1.20,  99.90,   0.05,
02/07 07Z,   0.00,   4.51,   4.53,  99.90,   0.02,
02/07 08Z,   0.00,   8.39,   8.45,  99.90,   0.06,
02/07 09Z,   0.00,  11.90,  11.89,  99.90,  -0.01,
02/07 10Z,  -0.10,  14.24,  14.10,  99.90,  -0.04,
02/07 11Z,  -0.10,  14.87,  14.68,  99.90,  -0.09,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/07 12Z,  -0.20,  13.69,  99.90,  13.44,  -0.05,
02/07 13Z,  -0.20,  11.08,  99.90,  10.87,  -0.01,
02/07 14Z,  -0.30,   7.81,  99.90,   7.54,   0.03,
02/07 15Z,  -0.30,   4.88,  99.90,   4.65,   0.07,
02/07 16Z,  -0.30,   3.13,  99.90,   2.94,   0.11,  (min)
02/07 17Z,  -0.20,   3.07,  99.90,   3.02,   0.15,
02/07 18Z,  -0.20,   4.68,  99.90,   4.66,   0.19,
02/07 19Z,  -0.10,   7.50,  99.90,   7.63,   0.23,
02/07 20Z,   0.00,  10.82,  99.90,  11.08,   0.27,
02/07 21Z,   0.00,  13.79,  99.90,  14.10,   0.31,
02/07 22Z,   0.00,  15.65,  99.90,  15.99,   0.35,
02/07 23Z,   0.00,  15.83,  99.90,  16.22,   0.39,  (max)
02/08 00Z,   0.00,  14.14,  99.90,  14.53,   0.39,
02/08 01Z,   0.00,  10.86,  99.90,  11.24,   0.39,
02/08 02Z,  -0.10,   6.72,  99.90,   7.01,   0.39,
02/08 03Z,  -0.20,   2.76,  99.90,   2.95,   0.39,
02/08 04Z,  -0.30,  -0.01,  99.90,   0.08,   0.39,
02/08 05Z,  -0.40,  -0.92,  99.90,  -0.93,   0.39,  (min)
02/08 06Z,  -0.40,   0.21,  99.90,   0.20,   0.39,
02/08 07Z,  -0.40,   3.02,  99.90,   3.01,   0.39,
02/08 08Z,  -0.40,   6.78,  99.90,   6.77,   0.39,
02/08 09Z,  -0.40,  10.59,  99.90,  10.58,   0.39,
02/08 10Z,  -0.40,  13.57,  99.90,  13.56,   0.39,
02/08 11Z,  -0.40,  15.04,  99.90,  15.03,   0.39,  (max)
02/08 12Z,  -0.30,  14.67,  99.90,  14.76,   0.39,
02/08 13Z,  -0.20,  12.60,  99.90,  12.78,   0.39,
02/08 14Z,  -0.10,   9.43,  99.90,   9.71,   0.39,
02/08 15Z,  -0.20,   6.09,  99.90,   6.28,   0.39,
02/08 16Z,  -0.20,   3.57,  99.90,   3.76,   0.39,
02/08 17Z,  -0.30,   2.56,  99.90,   2.65,   0.39,  (min)
02/08 18Z,  -0.40,   3.30,  99.90,   3.28,   0.39,
02/08 19Z,  -0.50,   5.54,  99.90,   5.42,   0.39,
02/08 20Z,  -0.50,   8.67,  99.90,   8.56,   0.39,
02/08 21Z,  -0.60,  11.89,  99.90,  11.68,   0.39,
02/08 22Z,  -0.60,  14.40,  99.90,  14.19,   0.39,
02/08 23Z,  -0.50,  15.52,  99.90,  15.41,   0.39,  (max)
02/09 00Z,  -0.40,  14.85,  99.90,  14.84,   0.39,
02/09 01Z,  -0.30,  12.44,  99.90,  12.53,   0.39,
02/09 02Z,  -0.20,   8.80,  99.90,   8.99,   0.39,
02/09 03Z,  -0.10,   4.81,  99.90,   5.10,   0.39,
02/09 04Z,   0.00,   1.51,  99.90,   1.90,   0.39,
02/09 05Z,   0.00,  -0.25,  99.90,   0.14,   0.39,  (min)
02/09 06Z,   0.00,  -0.05,  99.90,   0.34,   0.39,
02/09 07Z,   0.00,   1.99,  99.90,   2.38,   0.39,
02/09 08Z,   0.00,   5.33,  99.90,   5.72,   0.39,
02/09 09Z,   0.10,   9.14,  99.90,   9.63,   0.39,
02/09 10Z,   0.20,  12.53,  99.90,  13.12,   0.39,
02/09 11Z,   0.30,  14.72,  99.90,  15.41,   0.39,
02/09 12Z,   0.50,  15.19,  99.90,  16.08,   0.39,  (max)
02/09 13Z,   0.70,  13.86,  99.90,  14.95,   0.39,
02/09 14Z,   0.70,  11.11,  99.90,  12.20,   0.39,
02/09 15Z,   0.80,   7.71,  99.90,   8.90,   0.39,
02/09 16Z,   0.80,   4.64,  99.90,   5.82,   0.39,
02/09 17Z,   0.70,   2.74,  99.90,   3.83,   0.39,
02/09 18Z,   0.60,   2.50,  99.90,   3.48,   0.39,  (min)
02/09 19Z,   0.50,   3.90,  99.90,   4.79,   0.39,
02/09 20Z,   0.50,   6.53,  99.90,   7.42,   0.39,
02/09 21Z,   0.50,   9.68,  99.90,  10.57,   0.39,
02/09 22Z,   0.50,  12.55,  99.90,  13.44,   0.39,
02/09 23Z,   0.50,  14.42,  99.90,  15.31,   0.39,
02/10 00Z,   0.50,  14.76,  99.90,  15.65,   0.39,  (max)
02/10 01Z,   0.40,  13.39,  99.90,  14.18,   0.39,
02/10 02Z,   0.40,  10.56,  99.90,  11.35,   0.39,
02/10 03Z,   0.40,   6.95,  99.90,   7.74,   0.39,
02/10 04Z,   0.30,   3.49,  99.90,   4.18,   0.39,
02/10 05Z,   0.30,   1.11,  99.90,   1.80,   0.39,
02/10 06Z,   0.20,   0.41,  99.90,   1.00,   0.39,  (min)
02/10 07Z,   0.10,   1.56,  99.90,   2.05,   0.39,
02/10 08Z,   0.10,   4.23,  99.90,   4.72,   0.39,
02/10 09Z,   0.00,   7.74,  99.90,   8.13,   0.39,
02/10 10Z,   0.00,  11.25,  99.90,  11.64,   0.39,
02/10 11Z,   0.10,  13.95,  99.90,  14.44,   0.39,
02/10 12Z,   0.10,  15.21,  99.90,  15.70,   0.39,  (max)
02/10 13Z,   0.10,  14.73,  99.90,  15.22,   0.39,
02/10 14Z,   0.10,  12.65,  99.90,  13.14,   0.39,
02/10 15Z,   0.00,   9.54,  99.90,   9.93,   0.39,
02/10 16Z,   0.00,   6.23,  99.90,   6.62,   0.39,
02/10 17Z,  -0.10,   3.64,  99.90,   3.93,   0.39,
02/10 18Z,  -0.10,   2.41,  99.90,   2.70,   0.39,  (min)
02/10 19Z,  -0.20,   2.82,  99.90,   3.01,   0.39,
02/10 20Z,  -0.20,   4.65,  99.90,   4.84,   0.39,
02/10 21Z,  -0.20,   7.38,  99.90,   7.57,   0.39,
02/10 22Z,  -0.20,  10.29,  99.90,  10.48,   0.39,
02/10 23Z,  -0.10,  12.64,  99.90,  12.93,   0.39,
02/11 00Z,  -0.10,  13.84,  99.90,  14.13,   0.39,