EXTRA-TROPICAL  STORM  SURGE  2.3
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#Popokamute, AK : 05/21/2022 22:20:37 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 06Z,  -0.40,   0.73,  99.90,   0.33,   0.00,
05/20 07Z,  -0.40,  -0.21,  99.90,  -0.61,   0.00,
05/20 08Z,  -0.40,  -0.64,  99.90,  -1.04,   0.00,
05/20 09Z,  -0.40,  -0.66,  99.90,  -1.06,   0.00,  (min)
05/20 10Z,  -0.50,  -0.08,  99.90,  -0.58,   0.00,
05/20 11Z,  -0.50,   1.61,  99.90,   1.11,   0.00,
05/20 12Z,  -0.40,   4.57,  99.90,   4.17,   0.00,
05/20 13Z,  -0.50,   8.04,  99.90,   7.54,   0.00,
05/20 14Z,  -0.50,  10.71,  99.90,  10.21,   0.00,
05/20 15Z,  -0.50,  11.63,  99.90,  11.13,   0.00,  (max)
05/20 16Z,  -0.50,  10.66,  99.90,  10.16,   0.00,
05/20 17Z,  -0.50,   8.49,  99.90,   7.99,   0.00,
05/20 18Z,  -0.40,   6.01,  99.90,   5.61,   0.00,
05/20 19Z,  -0.40,   3.79,  99.90,   3.39,   0.00,
05/20 20Z,  -0.40,   2.16,  99.90,   1.76,   0.00,
05/20 21Z,  -0.30,   1.23,  99.90,   0.93,   0.00,
05/20 22Z,  -0.30,   0.98,  99.90,   0.68,   0.00,  (min)
05/20 23Z,  -0.30,   1.55,  99.90,   1.25,   0.00,
05/21 00Z,  -0.20,   3.27,  99.90,   3.07,   0.00,
05/21 01Z,  -0.10,   5.67,  99.90,   5.57,   0.00,
05/21 02Z,  -0.10,   7.35,  99.90,   7.25,   0.00,
05/21 03Z,  -0.10,   7.42,  99.90,   7.32,   0.00,  (max)
05/21 04Z,   0.00,   6.18,  99.90,   6.18,   0.00,
05/21 05Z,   0.00,   4.27,  99.90,   4.27,   0.00,
05/21 06Z,   0.10,   2.35,  99.90,   2.45,   0.00,
05/21 07Z,   0.10,   0.84,  99.90,   0.94,   0.00,
05/21 08Z,   0.20,  -0.12,  99.90,   0.08,   0.00,
05/21 09Z,   0.10,  -0.55,  99.90,  -0.45,   0.00,  (min)
05/21 10Z,   0.10,  -0.55,  99.90,  -0.45,   0.00,
05/21 11Z,   0.10,   0.08,  99.90,   0.18,   0.00,
05/21 12Z,   0.10,   1.85,  99.90,   1.95,   0.00,
05/21 13Z,   0.10,   4.87,  99.90,   4.97,   0.00,
05/21 14Z,   0.20,   8.30,  99.90,   8.50,   0.00,
05/21 15Z,   0.20,  10.84,  99.90,  11.04,   0.00,
05/21 16Z,   0.20,  11.56,  99.90,  11.76,   0.00,  (max)
05/21 17Z,   0.20,  10.41,  99.90,  10.61,   0.00,
05/21 18Z,   0.20,   8.17,  99.90,   8.37,   0.00,
05/21 19Z,   0.20,   5.67,  99.90,   5.87,   0.00,
05/21 20Z,   0.20,   3.46,  99.90,   3.66,   0.00,
05/21 21Z,   0.30,   1.87,  99.90,   2.17,   0.00,
05/21 22Z,   0.30,   1.01,  99.90,   1.31,   0.00,
05/21 23Z,   0.40,   0.82,  99.90,   1.22,   0.00,  (min)
05/22 00Z,   0.40,   1.42,  99.90,   1.82,   0.00,
05/22 01Z,   0.40,   3.14,  99.90,   3.54,   0.00,
05/22 02Z,   0.40,   5.54,  99.90,   5.94,   0.00,
05/22 03Z,   0.30,   7.34,  99.90,   7.64,   0.00,
05/22 04Z,   0.10,   7.56,  99.90,   7.66,   0.00,  (max)
05/22 05Z,   0.00,   6.40,  99.90,   6.40,   0.00,
05/22 06Z,  -0.10,   4.53,  99.90,   4.43,   0.00,
05/22 07Z,  -0.30,   2.62,  99.90,   2.32,   0.00,
05/22 08Z,  -0.50,   1.08,  99.90,   0.58,   0.00,
05/22 09Z,  -0.70,   0.09,  99.90,  -0.61,   0.00,
05/22 10Z,  -0.70,  -0.37,  99.90,  -1.07,   0.00,  (min)
05/22 11Z,  -0.60,  -0.36,  99.90,  -0.96,   0.00,
05/22 12Z,  -0.50,   0.31,  99.90,  -0.19,   0.00,
05/22 13Z,  -0.30,   2.12,  99.90,   1.82,   0.00,
05/22 14Z,   0.00,   5.13,  99.90,   5.13,   0.00,
05/22 15Z,   0.20,   8.47,  99.90,   8.67,   0.00,
05/22 16Z,   0.50,  10.81,  99.90,  11.31,   0.00,
05/22 17Z,   0.70,  11.29,  99.90,  11.99,   0.00,  0.12 ft above HAT  (max)
05/22 18Z,   0.80,   9.99,  99.90,  10.79,   0.00,
05/22 19Z,   0.80,   7.70,  99.90,   8.50,   0.00,
05/22 20Z,   0.70,   5.21,  99.90,   5.91,   0.00,
05/22 21Z,   0.70,   3.06,  99.90,   3.76,   0.00,
05/22 22Z,   0.70,   1.55,  99.90,   2.25,   0.00,
05/22 23Z,   0.70,   0.76,  99.90,   1.46,   0.00,
05/23 00Z,   0.70,   0.63,  99.90,   1.33,   0.00,  (min)
05/23 01Z,   0.80,   1.26,  99.90,   2.06,   0.00,
05/23 02Z,   0.80,   2.96,  99.90,   3.76,   0.00,
05/23 03Z,   0.80,   5.38,  99.90,   6.18,   0.00,
05/23 04Z,   0.80,   7.32,  99.90,   8.12,   0.00,
05/23 05Z,   0.80,   7.75,  99.90,   8.55,   0.00,  (max)
05/23 06Z,   0.80,   6.73,  99.90,   7.53,   0.00,
05/23 07Z,   0.80,   4.93,  99.90,   5.73,   0.00,
05/23 08Z,   0.70,   3.02,  99.90,   3.72,   0.00,
05/23 09Z,   0.70,   1.44,  99.90,   2.14,   0.00,
05/23 10Z,   0.60,   0.39,  99.90,   0.99,   0.00,
05/23 11Z,   0.60,  -0.11,  99.90,   0.49,   0.00,
05/23 12Z,   0.50,  -0.10,  99.90,   0.40,   0.00,  (min)
05/23 13Z,   0.50,   0.60,  99.90,   1.10,   0.00,
05/23 14Z,   0.40,   2.42,  99.90,   2.82,   0.00,
05/23 15Z,   0.30,   5.37,  99.90,   5.67,   0.00,
05/23 16Z,   0.20,   8.54,  99.90,   8.74,   0.00,
05/23 17Z,   0.10,  10.63,  99.90,  10.73,   0.00,
05/23 18Z,   0.00,  10.85,  99.90,  10.85,   0.00,  (max)
05/23 19Z,   0.00,   9.41,  99.90,   9.41,   0.00,
05/23 20Z,   0.00,   7.11,  99.90,   7.11,   0.00,
05/23 21Z,   0.00,   4.67,  99.90,   4.67,   0.00,
05/23 22Z,   0.00,   2.61,  99.90,   2.61,   0.00,
05/23 23Z,   0.00,   1.20,  99.90,   1.20,   0.00,
05/24 00Z,   0.00,   0.51,  99.90,   0.51,   0.00,
05/24 01Z,   0.00,   0.44,  99.90,   0.44,   0.00,  (min)
05/24 02Z,   0.10,   1.10,  99.90,   1.20,   0.00,
05/24 03Z,   0.10,   2.78,  99.90,   2.88,   0.00,
05/24 04Z,   0.10,   5.22,  99.90,   5.32,   0.00,
05/24 05Z,   0.00,   7.31,  99.90,   7.31,   0.00,
05/24 06Z,   0.00,   7.98,  99.90,   7.98,   0.00,  (max)
05/24 07Z,   0.00,   7.14,  99.90,   7.14,   0.00,
05/24 08Z,   0.00,   5.44,  99.90,   5.44,   0.00,
05/24 09Z,  -0.10,   3.53,  99.90,   3.43,   0.00,
05/24 10Z,  -0.10,   1.89,  99.90,   1.79,   0.00,
05/24 11Z,  -0.10,   0.76,  99.90,   0.66,   0.00,
05/24 12Z,  -0.10,   0.21,  99.90,   0.11,   0.00,
05/24 13Z,  -0.10,   0.21,  99.90,   0.11,   0.00,  (min)
05/24 14Z,  -0.10,   0.92,  99.90,   0.82,   0.00,
05/24 15Z,   0.00,   2.73,  99.90,   2.73,   0.00,
05/24 16Z,   0.00,   5.57,  99.90,   5.57,   0.00,
05/24 17Z,   0.00,   8.53,  99.90,   8.53,   0.00,
05/24 18Z,   0.00,  10.31,  99.90,  10.31,   0.00,  (max)
05/24 19Z,   0.00,  10.26,  99.90,  10.26,   0.00,
05/24 20Z,   0.00,   8.70,  99.90,   8.70,   0.00,
05/24 21Z,   0.00,   6.42,  99.90,   6.42,   0.00,
05/24 22Z,   0.10,   4.07,  99.90,   4.17,   0.00,
05/24 23Z,   0.10,   2.12,  99.90,   2.22,   0.00,
05/25 00Z,   0.20,   0.85,  99.90,   1.05,   0.00,
05/25 01Z,   0.20,   0.26,  99.90,   0.46,   0.00,  (min)
05/25 02Z,   0.30,   0.27,  99.90,   0.57,   0.00,
05/25 03Z,   0.40,   0.97,  99.90,   1.37,   0.00,
05/25 04Z,   0.60,   2.66,  99.90,   3.26,   0.00,
05/25 05Z,   0.70,   5.13,  99.90,   5.83,   0.00,
05/25 06Z,   0.80,   7.36,  99.90,   8.16,   0.00,
05/25 07Z,   0.80,   8.26,  99.90,   9.06,   0.00,  (max)
05/25 08Z,   0.80,   7.62,  99.90,   8.42,   0.00,
05/25 09Z,   0.80,   6.01,  99.90,   6.81,   0.00,
05/25 10Z,   0.70,   4.11,  99.90,   4.81,   0.00,
05/25 11Z,   0.70,   2.39,  99.90,   3.09,   0.00,
05/25 12Z,   0.60,   1.17,  99.90,   1.77,   0.00,
05/25 13Z,  99.90,   0.55,  99.90,  99.90,   0.00,
05/25 14Z,  99.90,   0.53,  99.90,  99.90,   0.00,
05/25 15Z,  99.90,   1.24,  99.90,  99.90,   0.00,
05/25 16Z,  99.90,   3.01,  99.90,  99.90,   0.00,
05/25 17Z,  99.90,   5.72,  99.90,  99.90,   0.00,
05/25 18Z,  99.90,   8.41,  99.90,  99.90,   0.00,