EXTRA-TROPICAL  STORM  SURGE  2.3
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#Popokamute, AK : 10/21/2021 23:20:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/20 06Z,   1.60,   0.92,  99.90,   2.52,   0.00,  (min)
10/20 07Z,   1.60,   1.82,  99.90,   3.42,   0.00,
10/20 08Z,   1.60,   3.64,  99.90,   5.24,   0.00,
10/20 09Z,   1.60,   6.00,  99.90,   7.60,   0.00,
10/20 10Z,   1.50,   7.90,  99.90,   9.40,   0.00,
10/20 11Z,   1.50,   8.41,  99.90,   9.91,   0.00,  (max)
10/20 12Z,   1.40,   7.57,  99.90,   8.97,   0.00,
10/20 13Z,   1.40,   5.95,  99.90,   7.35,   0.00,
10/20 14Z,   1.40,   4.06,  99.90,   5.46,   0.00,
10/20 15Z,   1.50,   2.33,  99.90,   3.83,   0.00,
10/20 16Z,   1.60,   1.09,  99.90,   2.69,   0.00,
10/20 17Z,   1.70,   0.44,  99.90,   2.14,   0.00,
10/20 18Z,   1.30,   0.35,  99.90,   1.65,   0.00,  (min)
10/20 19Z,   1.20,   0.84,  99.90,   2.04,   0.00,
10/20 20Z,   1.20,   2.15,  99.90,   3.35,   0.00,
10/20 21Z,   1.10,   4.32,  99.90,   5.42,   0.00,
10/20 22Z,   1.00,   6.77,  99.90,   7.77,   0.00,
10/20 23Z,   0.90,   8.43,  99.90,   9.33,   0.00,  (max)
10/21 00Z,   0.50,   8.69,  99.90,   9.19,   0.00,
10/21 01Z,   0.40,   7.70,  99.90,   8.10,   0.00,
10/21 02Z,   0.30,   6.01,  99.90,   6.31,   0.00,
10/21 03Z,   0.30,   4.12,  99.90,   4.42,   0.00,
10/21 04Z,   0.30,   2.49,  99.90,   2.79,   0.00,
10/21 05Z,   0.30,   1.41,  99.90,   1.71,   0.00,
10/21 06Z,   0.20,   0.97,  99.90,   1.17,   0.00,  (min)
10/21 07Z,   0.20,   1.14,  99.90,   1.34,   0.00,
10/21 08Z,   0.20,   2.11,  99.90,   2.31,   0.00,
10/21 09Z,   0.20,   3.91,  99.90,   4.11,   0.00,
10/21 10Z,   0.10,   6.09,  99.90,   6.19,   0.00,
10/21 11Z,   0.10,   7.61,  99.90,   7.71,   0.00,
10/21 12Z,   0.10,   7.74,  99.90,   7.84,   0.00,  (max)
10/21 13Z,   0.10,   6.73,  99.90,   6.83,   0.00,
10/21 14Z,   0.10,   5.12,  99.90,   5.22,   0.00,
10/21 15Z,   0.20,   3.37,  99.90,   3.57,   0.00,
10/21 16Z,   0.20,   1.86,  99.90,   2.06,   0.00,
10/21 17Z,   0.30,   0.83,  99.90,   1.13,   0.00,
10/21 18Z,   0.40,   0.35,  99.90,   0.75,   0.00,  (min)
10/21 19Z,   0.40,   0.40,  99.90,   0.80,   0.00,
10/21 20Z,   0.40,   1.07,  99.90,   1.47,   0.00,
10/21 21Z,   0.30,   2.59,  99.90,   2.89,   0.00,
10/21 22Z,   0.30,   4.89,  99.90,   5.19,   0.00,
10/21 23Z,   0.40,   7.28,  99.90,   7.68,   0.00,
10/22 00Z,   0.70,   8.75,  99.90,   9.45,   0.00,
10/22 01Z,   0.80,   8.83,  99.90,   9.63,   0.00,  (max)
10/22 02Z,   1.00,   7.74,  99.90,   8.74,   0.00,
10/22 03Z,   1.10,   6.00,  99.90,   7.10,   0.00,
10/22 04Z,   1.10,   4.12,  99.90,   5.22,   0.00,
10/22 05Z,   1.10,   2.53,  99.90,   3.63,   0.00,
10/22 06Z,   1.00,   1.49,  99.90,   2.49,   0.00,
10/22 07Z,   1.00,   1.10,  99.90,   2.10,   0.00,  (min)
10/22 08Z,   1.00,   1.35,  99.90,   2.35,   0.00,
10/22 09Z,   1.00,   2.40,  99.90,   3.40,   0.00,
10/22 10Z,   0.90,   4.21,  99.90,   5.11,   0.00,
10/22 11Z,   0.80,   6.18,  99.90,   6.98,   0.00,
10/22 12Z,   0.80,   7.27,  99.90,   8.07,   0.00,  (max)
10/22 13Z,   0.90,   7.03,  99.90,   7.93,   0.00,
10/22 14Z,   1.10,   5.88,  99.90,   6.98,   0.00,
10/22 15Z,   1.30,   4.31,  99.90,   5.61,   0.00,
10/22 16Z,   1.60,   2.74,  99.90,   4.34,   0.00,
10/22 17Z,   1.80,   1.44,  99.90,   3.24,   0.00,
10/22 18Z,   1.90,   0.62,  99.90,   2.52,   0.00,
10/22 19Z,   1.90,   0.32,  99.90,   2.22,   0.00,  (min)
10/22 20Z,   1.80,   0.53,  99.90,   2.33,   0.00,
10/22 21Z,   1.50,   1.43,  99.90,   2.93,   0.00,
10/22 22Z,   1.10,   3.20,  99.90,   4.30,   0.00,
10/22 23Z,   0.80,   5.61,  99.90,   6.41,   0.00,
10/23 00Z,   0.40,   7.86,  99.90,   8.26,   0.00,
10/23 01Z,   0.00,   9.05,  99.90,   9.05,   0.00,  (max)
10/23 02Z,  -0.20,   8.87,  99.90,   8.67,   0.00,
10/23 03Z,  -0.30,   7.62,  99.90,   7.32,   0.00,
10/23 04Z,  -0.50,   5.83,  99.90,   5.33,   0.00,
10/23 05Z,  -0.60,   3.98,  99.90,   3.38,   0.00,
10/23 06Z,  -0.70,   2.45,  99.90,   1.75,   0.00,
10/23 07Z,  -0.80,   1.51,  99.90,   0.71,   0.00,
10/23 08Z,  -0.90,   1.19,  99.90,   0.29,   0.00,  (min)
10/23 09Z,  -1.00,   1.55,  99.90,   0.55,   0.00,
10/23 10Z,  -1.00,   2.73,  99.90,   1.73,   0.00,
10/23 11Z,  -1.10,   4.56,  99.90,   3.46,   0.00,
10/23 12Z,  -1.10,   6.25,  99.90,   5.15,   0.00,
10/23 13Z,  -1.20,   6.88,  99.90,   5.68,   0.00,  (max)
10/23 14Z,  -1.20,   6.32,  99.90,   5.12,   0.00,
10/23 15Z,  -1.20,   5.07,  99.90,   3.87,   0.00,
10/23 16Z,  -1.20,   3.58,  99.90,   2.38,   0.00,
10/23 17Z,  -1.20,   2.18,  99.90,   0.98,   0.00,
10/23 18Z,  -1.20,   1.10,  99.90,  -0.10,   0.00,
10/23 19Z,  -1.30,   0.49,  99.90,  -0.81,   0.00,
10/23 20Z,  -1.30,   0.35,  99.90,  -0.95,   0.00,  (min)
10/23 21Z,  -1.40,   0.75,  99.90,  -0.65,   0.00,
10/23 22Z,  -1.40,   1.93,  99.90,   0.53,   0.00,
10/23 23Z,  -1.50,   3.96,  99.90,   2.46,   0.00,
10/24 00Z,  -1.50,   6.42,  99.90,   4.92,   0.00,
10/24 01Z,  -1.50,   8.45,  99.90,   6.95,   0.00,
10/24 02Z,  -1.50,   9.26,  99.90,   7.76,   0.00,  (max)
10/24 03Z,  -1.60,   8.76,  99.90,   7.16,   0.00,
10/24 04Z,  -1.70,   7.33,  99.90,   5.63,   0.00,
10/24 05Z,  -1.80,   5.51,  99.90,   3.71,   0.00,
10/24 06Z,  -1.90,   3.71,  99.90,   1.81,   0.00,
10/24 07Z,  -2.00,   2.29,  99.90,   0.29,   0.00,
10/24 08Z,  -2.10,   1.47,  99.90,  -0.63,   0.00,
10/24 09Z,  -2.00,   1.26,  99.90,  -0.74,   0.00,  (min)
10/24 10Z,  -2.00,   1.78,  99.90,  -0.22,   0.00,
10/24 11Z,  -1.90,   3.14,  99.90,   1.24,   0.00,
10/24 12Z,  -1.80,   4.94,  99.90,   3.14,   0.00,
10/24 13Z,  -1.70,   6.29,  99.90,   4.59,   0.00,
10/24 14Z,  -1.50,   6.46,  99.90,   4.96,   0.00,  (max)
10/24 15Z,  -1.30,   5.65,  99.90,   4.35,   0.00,
10/24 16Z,  -1.20,   4.34,  99.90,   3.14,   0.00,
10/24 17Z,  -1.10,   2.94,  99.90,   1.84,   0.00,
10/24 18Z,  -1.00,   1.72,  99.90,   0.72,   0.00,
10/24 19Z,  -1.00,   0.84,  99.90,  -0.16,   0.00,
10/24 20Z,  -1.00,   0.41,  99.90,  -0.59,   0.00,
10/24 21Z,  -1.10,   0.43,  99.90,  -0.67,   0.00,  (min)
10/24 22Z,  -1.10,   1.06,  99.90,  -0.04,   0.00,
10/24 23Z,  -1.10,   2.56,  99.90,   1.46,   0.00,
10/25 00Z,  -1.10,   4.81,  99.90,   3.71,   0.00,
10/25 01Z,  -1.10,   7.23,  99.90,   6.13,   0.00,
10/25 02Z,  -1.00,   8.94,  99.90,   7.94,   0.00,
10/25 03Z,  -1.00,   9.34,  99.90,   8.34,   0.00,  (max)
10/25 04Z,  -1.00,   8.49,  99.90,   7.49,   0.00,
10/25 05Z,  -1.00,   6.90,  99.90,   5.90,   0.00,
10/25 06Z,  -1.00,   5.07,  99.90,   4.07,   0.00,
10/25 07Z,  -1.00,   3.36,  99.90,   2.36,   0.00,
10/25 08Z,  -1.00,   2.09,  99.90,   1.09,   0.00,
10/25 09Z,  -1.00,   1.41,  99.90,   0.41,   0.00,
10/25 10Z,  -1.00,   1.34,  99.90,   0.34,   0.00,  (min)
10/25 11Z,  -1.00,   2.08,  99.90,   1.08,   0.00,
10/25 12Z,  -1.00,   3.62,  99.90,   2.62,   0.00,
10/25 13Z,  -1.00,   5.33,  99.90,   4.33,   0.00,
10/25 14Z,  -1.00,   6.28,  99.90,   5.28,   0.00,  (max)
10/25 15Z,  -1.00,   6.06,  99.90,   5.06,   0.00,
10/25 16Z,  -1.00,   5.04,  99.90,   4.04,   0.00,
10/25 17Z,  -1.00,   3.70,  99.90,   2.70,   0.00,
10/25 18Z,  -1.00,   2.40,  99.90,   1.40,   0.00,