EXTRA-TROPICAL  STORM  SURGE  2.3
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#Portland, ME : 03/20/2023 23:21:31 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/19 06Z,   0.80,   1.40,   2.02,  99.90,  -0.18,
03/19 07Z,   0.80,   0.36,   0.98,  99.90,  -0.18,  (min)
03/19 08Z,   0.80,   0.48,   1.24,  99.90,  -0.04,
03/19 09Z,   0.70,   1.75,   2.42,  99.90,  -0.03,
03/19 10Z,   0.60,   3.96,   4.66,  99.90,   0.10,
03/19 11Z,   0.50,   6.55,   7.33,  99.90,   0.28,
03/19 12Z,   0.50,   8.78,   9.53,  99.90,   0.25,
03/19 13Z,   0.40,  10.13,  10.86,  99.90,   0.33,
03/19 14Z,   0.40,  10.36,  11.02,  99.90,   0.26,  (max)
03/19 15Z,   0.30,   9.42,   9.97,  99.90,   0.25,
03/19 16Z,   0.30,   7.37,   7.78,  99.90,   0.11,
03/19 17Z,   0.20,   4.63,   4.92,  99.90,   0.09,
03/19 18Z,   0.30,   1.95,   2.11,  99.90,  -0.14,
03/19 19Z,   0.20,   0.02,   0.07,  99.90,  -0.15,
03/19 20Z,   0.10,  -0.76,  -0.82,  99.90,  -0.16,  (min)
03/19 21Z,   0.00,  -0.25,  -0.34,  99.90,  -0.09,
03/19 22Z,   0.00,   1.47,   1.33,  99.90,  -0.14,
03/19 23Z,  -0.10,   3.98,   3.79,  99.90,  -0.09,
03/20 00Z,  -0.10,   6.59,   6.50,  99.90,   0.01,
03/20 01Z,  -0.20,   8.59,   8.45,  99.90,   0.06,
03/20 02Z,  -0.20,   9.59,   9.42,  99.90,   0.03,  (max)
03/20 03Z,  -0.20,   9.43,   9.08,  99.90,  -0.15,
03/20 04Z,  -0.20,   8.05,   7.76,  99.90,  -0.09,
03/20 05Z,  -0.20,   5.71,   5.42,  99.90,  -0.09,
03/20 06Z,  -0.10,   3.05,   2.63,  99.90,  -0.32,
03/20 07Z,  -0.10,   0.86,   0.40,  99.90,  -0.36,
03/20 08Z,  -0.10,  -0.28,  -0.72,  99.90,  -0.34,  (min)
03/20 09Z,  -0.10,  -0.13,  -0.42,  99.90,  -0.19,
03/20 10Z,  -0.10,   1.34,   1.10,  99.90,  -0.14,
03/20 11Z,   0.00,   3.82,   3.60,  99.90,  -0.22,
03/20 12Z,  -0.10,   6.66,   6.63,  99.90,   0.07,
03/20 13Z,   0.00,   9.08,   9.07,  99.90,  -0.01,
03/20 14Z,   0.00,  10.52,  10.47,  99.90,  -0.05,
03/20 15Z,   0.00,  10.72,  10.60,  99.90,  -0.12,  (max)
03/20 16Z,   0.10,   9.61,   9.39,  99.90,  -0.32,
03/20 17Z,   0.00,   7.31,   7.13,  99.90,  -0.18,
03/20 18Z,   0.00,   4.33,   4.15,  99.90,  -0.18,
03/20 19Z,   0.00,   1.50,   1.25,  99.90,  -0.25,
03/20 20Z,   0.00,  -0.46,  -0.72,  99.90,  -0.26,
03/20 21Z,   0.00,  -1.13,  -1.12,  99.90,   0.01,  (min)
03/20 22Z,   0.00,  -0.37,  -0.38,  99.90,  -0.01,
03/20 23Z,   0.00,   1.67,   1.67,  99.90,  -0.00,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/21 00Z,   0.00,   4.49,  99.90,   4.48,  -0.01,
03/21 01Z,   0.00,   7.27,  99.90,   7.26,  -0.01,
03/21 02Z,   0.00,   9.32,  99.90,   9.30,  -0.02,
03/21 03Z,   0.00,  10.24,  99.90,  10.22,  -0.02,  (max)
03/21 04Z,   0.00,   9.85,  99.90,   9.82,  -0.03,
03/21 05Z,   0.00,   8.14,  99.90,   8.11,  -0.03,
03/21 06Z,   0.00,   5.46,  99.90,   5.42,  -0.04,
03/21 07Z,   0.00,   2.55,  99.90,   2.50,  -0.04,
03/21 08Z,   0.00,   0.25,  99.90,   0.20,  -0.05,
03/21 09Z,   0.00,  -0.86,  99.90,  -0.92,  -0.05,  (min)
03/21 10Z,   0.00,  -0.55,  99.90,  -0.61,  -0.06,
03/21 11Z,   0.00,   1.17,  99.90,   1.11,  -0.06,
03/21 12Z,   0.10,   3.91,  99.90,   3.95,  -0.06,
03/21 13Z,   0.10,   6.92,  99.90,   6.96,  -0.06,
03/21 14Z,   0.10,   9.40,  99.90,   9.43,  -0.06,
03/21 15Z,   0.20,  10.78,  99.90,  10.92,  -0.06,
03/21 16Z,   0.20,  10.84,  99.90,  10.98,  -0.06,  (max)
03/21 17Z,   0.20,   9.50,  99.90,   9.64,  -0.06,
03/21 18Z,   0.20,   6.95,  99.90,   7.09,  -0.06,
03/21 19Z,   0.10,   3.82,  99.90,   3.86,  -0.06,
03/21 20Z,   0.10,   0.98,  99.90,   1.02,  -0.06,
03/21 21Z,   0.10,  -0.83,  99.90,  -0.79,  -0.06,
03/21 22Z,   0.10,  -1.24,  99.90,  -1.20,  -0.06,  (min)
03/21 23Z,   0.10,  -0.15,  99.90,  -0.11,  -0.06,
03/22 00Z,   0.10,   2.21,  99.90,   2.25,  -0.06,
03/22 01Z,   0.10,   5.23,  99.90,   5.27,  -0.06,
03/22 02Z,   0.00,   8.06,  99.90,   8.00,  -0.06,
03/22 03Z,   0.00,  10.01,  99.90,   9.94,  -0.06,
03/22 04Z,   0.00,  10.69,  99.90,  10.63,  -0.06,  (max)
03/22 05Z,   0.00,   9.98,  99.90,   9.92,  -0.06,
03/22 06Z,   0.00,   7.93,  99.90,   7.87,  -0.06,
03/22 07Z,   0.00,   4.98,  99.90,   4.91,  -0.06,
03/22 08Z,   0.00,   1.95,  99.90,   1.89,  -0.06,
03/22 09Z,   0.00,  -0.30,  99.90,  -0.36,  -0.06,
03/22 10Z,   0.00,  -1.24,  99.90,  -1.31,  -0.06,  (min)
03/22 11Z,   0.00,  -0.69,  99.90,  -0.75,  -0.06,
03/22 12Z,   0.00,   1.28,  99.90,   1.22,  -0.06,
03/22 13Z,   0.10,   4.20,  99.90,   4.23,  -0.06,
03/22 14Z,   0.10,   7.25,  99.90,   7.29,  -0.06,
03/22 15Z,   0.10,   9.63,  99.90,   9.66,  -0.06,
03/22 16Z,   0.10,  10.83,  99.90,  10.87,  -0.06,  (max)
03/22 17Z,   0.10,  10.66,  99.90,  10.70,  -0.06,
03/22 18Z,   0.10,   9.07,  99.90,   9.11,  -0.06,
03/22 19Z,   0.10,   6.36,  99.90,   6.40,  -0.06,
03/22 20Z,   0.10,   3.22,  99.90,   3.26,  -0.06,
03/22 21Z,   0.10,   0.55,  99.90,   0.59,  -0.06,
03/22 22Z,   0.20,  -0.97,  99.90,  -0.83,  -0.06,  (min)
03/22 23Z,   0.30,  -1.03,  99.90,  -0.79,  -0.06,
03/23 00Z,   0.30,   0.40,  99.90,   0.64,  -0.06,
03/23 01Z,   0.30,   3.01,  99.90,   3.25,  -0.06,
03/23 02Z,   0.30,   6.09,  99.90,   6.33,  -0.06,
03/23 03Z,   0.30,   8.80,  99.90,   9.04,  -0.06,
03/23 04Z,   0.30,  10.48,  99.90,  10.72,  -0.06,
03/23 05Z,   0.30,  10.84,  99.90,  11.08,  -0.06,  (max)
03/23 06Z,   0.30,   9.78,  99.90,  10.02,  -0.06,
03/23 07Z,   0.30,   7.45,  99.90,   7.68,  -0.06,
03/23 08Z,   0.30,   4.36,  99.90,   4.60,  -0.06,
03/23 09Z,   0.40,   1.39,  99.90,   1.73,  -0.06,
03/23 10Z,   0.40,  -0.66,  99.90,  -0.32,  -0.06,
03/23 11Z,   0.50,  -1.33,  99.90,  -0.90,  -0.06,  (min)
03/23 12Z,   0.60,  -0.52,  99.90,   0.02,  -0.06,
03/23 13Z,   0.60,   1.64,  99.90,   2.18,  -0.06,
03/23 14Z,   0.60,   4.60,  99.90,   5.14,  -0.06,
03/23 15Z,   0.60,   7.54,  99.90,   8.07,  -0.06,
03/23 16Z,   0.60,   9.68,  99.90,  10.22,  -0.06,
03/23 17Z,   0.60,  10.61,  99.90,  11.15,  -0.06,  (max)
03/23 18Z,   0.60,  10.18,  99.90,  10.72,  -0.06,
03/23 19Z,   0.60,   8.41,  99.90,   8.95,  -0.06,
03/23 20Z,   0.60,   5.65,  99.90,   6.19,  -0.06,
03/23 21Z,   0.60,   2.67,  99.90,   3.21,  -0.06,
03/23 22Z,   0.60,   0.32,  99.90,   0.86,  -0.06,
03/23 23Z,   0.60,  -0.81,  99.90,  -0.27,  -0.06,  (min)
03/24 00Z,   0.70,  -0.49,  99.90,   0.15,  -0.06,
03/24 01Z,   0.70,   1.21,  99.90,   1.85,  -0.06,
03/24 02Z,   0.60,   3.93,  99.90,   4.46,  -0.06,
03/24 03Z,   0.60,   6.91,  99.90,   7.45,  -0.06,
03/24 04Z,   0.60,   9.33,  99.90,   9.87,  -0.06,
03/24 05Z,   0.50,  10.66,  99.90,  11.09,  -0.06,  (max)
03/24 06Z,   0.50,  10.65,  99.90,  11.09,  -0.06,
03/24 07Z,   0.50,   9.30,  99.90,   9.73,  -0.06,
03/24 08Z,   0.60,   6.79,  99.90,   7.33,  -0.06,
03/24 09Z,   0.60,   3.74,  99.90,   4.27,  -0.06,
03/24 10Z,   0.70,   0.99,  99.90,   1.62,  -0.06,
03/24 11Z,   0.80,  -0.75,  99.90,  -0.01,  -0.06,
03/24 12Z,   0.80,  -1.12,  99.90,  -0.38,  -0.06,  (min)
03/24 13Z,   0.80,  -0.08,  99.90,   0.66,  -0.06,
03/24 14Z,   0.80,   2.16,  99.90,   2.90,  -0.06,
03/24 15Z,   0.80,   5.02,  99.90,   5.76,  -0.06,
03/24 16Z,   0.80,   7.70,  99.90,   8.44,  -0.06,
03/24 17Z,   0.80,   9.52,  99.90,  10.26,  -0.06,
03/24 18Z,   0.80,  10.15,  99.90,  10.89,  -0.06,