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PLEASE NOTE that zero is now at Mean Lower Low Water (MLLW).
This is the old default datum.
#Portsmouth (Money Point), VA : 08/29/2015 07:21:38 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/27 12Z,   0.10,   3.21,   3.84,  99.90,   0.53,  (max)
08/27 13Z,   0.10,   2.91,   3.55,  99.90,   0.54,
08/27 14Z,   0.20,   2.34,   2.91,  99.90,   0.37,
08/27 15Z,   0.20,   1.63,   2.19,  99.90,   0.36,
08/27 16Z,   0.20,   0.93,   1.50,  99.90,   0.37,
08/27 17Z,   0.20,   0.40,   0.93,  99.90,   0.33,
08/27 18Z,   0.20,   0.25,   0.75,  99.90,   0.30,  (min)
08/27 19Z,   0.10,   0.54,   0.98,  99.90,   0.34,
08/27 20Z,   0.10,   1.17,   1.54,  99.90,   0.27,
08/27 21Z,   0.10,   1.97,   2.35,  99.90,   0.28,
08/27 22Z,   0.00,   2.78,   3.19,  99.90,   0.41,
08/27 23Z,   0.00,   3.43,   3.75,  99.90,   0.32,
08/28 00Z,   0.00,   3.72,   3.99,  99.90,   0.27,  (max)
08/28 01Z,   0.00,   3.57,   3.85,  99.90,   0.28,
08/28 02Z,   0.00,   3.04,   3.29,  99.90,   0.25,
08/28 03Z,   0.00,   2.29,   2.54,  99.90,   0.25,
08/28 04Z,   0.00,   1.45,   1.70,  99.90,   0.25,
08/28 05Z,   0.00,   0.68,   0.96,  99.90,   0.28,
08/28 06Z,   0.00,   0.21,   0.55,  99.90,   0.34,  (min)
08/28 07Z,   0.00,   0.21,   0.65,  99.90,   0.44,
08/28 08Z,   0.00,   0.64,   1.11,  99.90,   0.47,
08/28 09Z,   0.00,   1.35,   1.72,  99.90,   0.37,
08/28 10Z,   0.00,   2.17,   2.53,  99.90,   0.36,
08/28 11Z,   0.00,   2.93,   3.31,  99.90,   0.38,
08/28 12Z,   0.00,   3.40,   3.73,  99.90,   0.33,  (max)
08/28 13Z,   0.00,   3.43,   3.71,  99.90,   0.28,
08/28 14Z,   0.00,   3.05,   3.26,  99.90,   0.21,
08/28 15Z,   0.00,   2.39,   2.56,  99.90,   0.17,
08/28 16Z,   0.00,   1.59,   1.75,  99.90,   0.16,
08/28 17Z,   0.00,   0.80,   1.00,  99.90,   0.20,
08/28 18Z,   0.00,   0.23,   0.49,  99.90,   0.26,
08/28 19Z,   0.00,   0.09,   0.31,  99.90,   0.22,  (min)
08/28 20Z,   0.00,   0.43,   0.65,  99.90,   0.22,
08/28 21Z,   0.00,   1.14,   1.42,  99.90,   0.28,
08/28 22Z,   0.00,   2.02,   2.38,  99.90,   0.36,
08/28 23Z,   0.00,   2.91,   3.24,  99.90,   0.33,
08/29 00Z,   0.00,   3.59,   3.78,  99.90,   0.19,
08/29 01Z,   0.00,   3.85,   3.98,  99.90,   0.13,  (max)
08/29 02Z,  -0.10,   3.62,   3.77,  99.90,   0.25,
08/29 03Z,  -0.10,   3.00,   3.18,  99.90,   0.28,
08/29 04Z,  -0.10,   2.16,   2.40,  99.90,   0.34,
08/29 05Z,  -0.10,   1.24,   1.52,  99.90,   0.38,
08/29 06Z,  -0.10,   0.44,   0.72,  99.90,   0.38,
08/29 07Z,  -0.10,   0.01,   0.24,  99.90,   0.33,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/29 08Z,  -0.10,   0.09,  99.90,   0.32,   0.33,
08/29 09Z,  -0.10,   0.63,  99.90,   0.86,   0.33,
08/29 10Z,  -0.10,   1.46,  99.90,   1.69,   0.33,
08/29 11Z,  -0.10,   2.38,  99.90,   2.61,   0.33,
08/29 12Z,  -0.10,   3.19,  99.90,   3.42,   0.33,
08/29 13Z,  -0.10,   3.64,  99.90,   3.87,   0.33,  (max)
08/29 14Z,  -0.10,   3.62,  99.90,   3.84,   0.33,
08/29 15Z,  -0.10,   3.15,  99.90,   3.38,   0.33,
08/29 16Z,  -0.10,   2.41,  99.90,   2.63,   0.33,
08/29 17Z,  -0.10,   1.52,  99.90,   1.75,   0.33,
08/29 18Z,  -0.10,   0.66,  99.90,   0.89,   0.32,
08/29 19Z,  -0.10,   0.08,  99.90,   0.30,   0.32,
08/29 20Z,  -0.10,  -0.02,  99.90,   0.20,   0.32,  (min)
08/29 21Z,  -0.10,   0.38,  99.90,   0.61,   0.32,
08/29 22Z,  -0.10,   1.16,  99.90,   1.39,   0.32,
08/29 23Z,  -0.10,   2.12,  99.90,   2.34,   0.32,
08/30 00Z,  -0.10,   3.05,  99.90,   3.27,   0.32,
08/30 01Z,  -0.10,   3.71,  99.90,   3.93,   0.32,
08/30 02Z,  -0.10,   3.90,  99.90,   4.13,   0.32,  (max)
08/30 03Z,  -0.10,   3.59,  99.90,   3.81,   0.32,
08/30 04Z,  -0.10,   2.89,  99.90,   3.12,   0.32,
08/30 05Z,  -0.10,   1.98,  99.90,   2.20,   0.32,
08/30 06Z,  -0.10,   1.01,  99.90,   1.23,   0.32,
08/30 07Z,  -0.10,   0.21,  99.90,   0.43,   0.32,
08/30 08Z,  -0.10,  -0.15,  99.90,   0.08,   0.32,  (min)
08/30 09Z,  -0.10,   0.05,  99.90,   0.27,   0.32,
08/30 10Z,  -0.10,   0.71,  99.90,   0.93,   0.32,
08/30 11Z,  -0.10,   1.63,  99.90,   1.86,   0.32,
08/30 12Z,  -0.10,   2.61,  99.90,   2.84,   0.32,
08/30 13Z,  -0.10,   3.43,  99.90,   3.65,   0.32,
08/30 14Z,  -0.10,   3.84,  99.90,   4.06,   0.32,  (max)
08/30 15Z,  -0.10,   3.74,  99.90,   3.96,   0.32,
08/30 16Z,  -0.10,   3.20,  99.90,   3.43,   0.32,
08/30 17Z,  -0.10,   2.38,  99.90,   2.61,   0.32,
08/30 18Z,  -0.10,   1.43,  99.90,   1.66,   0.32,
08/30 19Z,  -0.20,   0.55,  99.90,   0.67,   0.32,
08/30 20Z,  -0.20,  -0.02,  99.90,   0.10,   0.32,
08/30 21Z,  -0.20,  -0.06,  99.90,   0.06,   0.32,  (min)
08/30 22Z,  -0.20,   0.41,  99.90,   0.54,   0.32,
08/30 23Z,  -0.20,   1.24,  99.90,   1.37,   0.32,
08/31 00Z,  -0.20,   2.22,  99.90,   2.35,   0.32,
08/31 01Z,  -0.20,   3.14,  99.90,   3.27,   0.32,
08/31 02Z,  -0.20,   3.75,  99.90,   3.88,   0.32,
08/31 03Z,  -0.20,   3.87,  99.90,   3.99,   0.32,  (max)
08/31 04Z,  -0.20,   3.48,  99.90,   3.60,   0.32,
08/31 05Z,  -0.20,   2.72,  99.90,   2.84,   0.32,
08/31 06Z,  -0.20,   1.76,  99.90,   1.88,   0.32,
08/31 07Z,  -0.20,   0.78,  99.90,   0.90,   0.32,
08/31 08Z,  -0.20,   0.04,  99.90,   0.16,   0.32,
08/31 09Z,  -0.30,  -0.21,  99.90,  -0.19,   0.32,  (min)
08/31 10Z,  -0.30,   0.11,  99.90,   0.13,   0.32,
08/31 11Z,  -0.30,   0.86,  99.90,   0.88,   0.32,
08/31 12Z,  -0.30,   1.83,  99.90,   1.86,   0.32,
08/31 13Z,  -0.30,   2.83,  99.90,   2.85,   0.32,
08/31 14Z,  -0.30,   3.61,  99.90,   3.63,   0.32,
08/31 15Z,  -0.30,   3.96,  99.90,   3.98,   0.32,  (max)
08/31 16Z,  -0.30,   3.79,  99.90,   3.81,   0.32,
08/31 17Z,  -0.30,   3.19,  99.90,   3.22,   0.32,
08/31 18Z,  -0.30,   2.33,  99.90,   2.35,   0.32,
08/31 19Z,  -0.30,   1.35,  99.90,   1.37,   0.32,
08/31 20Z,  -0.30,   0.47,  99.90,   0.50,   0.32,
08/31 21Z,  -0.30,  -0.03,  99.90,  -0.01,   0.32,  (min)
08/31 22Z,  -0.30,  -0.01,  99.90,   0.02,   0.32,
08/31 23Z,  -0.30,   0.51,  99.90,   0.54,   0.32,
09/01 00Z,  -0.30,   1.35,  99.90,   1.37,   0.32,
09/01 01Z,  -0.30,   2.30,  99.90,   2.33,   0.32,
09/01 02Z,  -0.30,   3.18,  99.90,   3.20,   0.32,
09/01 03Z,  -0.30,   3.72,  99.90,   3.75,   0.32,
09/01 04Z,  -0.30,   3.76,  99.90,   3.79,   0.32,  (max)
09/01 05Z,  -0.30,   3.31,  99.90,   3.33,   0.32,
09/01 06Z,  -0.30,   2.51,  99.90,   2.53,   0.32,
09/01 07Z,  -0.30,   1.54,  99.90,   1.56,   0.32,
09/01 08Z,  -0.30,   0.61,  99.90,   0.63,   0.32,
09/01 09Z,  -0.30,  -0.03,  99.90,  -0.01,   0.32,
09/01 10Z,  -0.30,  -0.16,  99.90,  -0.14,   0.32,  (min)
09/01 11Z,  -0.30,   0.25,  99.90,   0.27,   0.32,
09/01 12Z,  -0.30,   1.04,  99.90,   1.06,   0.32,
09/01 13Z,  -0.30,   2.02,  99.90,   2.04,   0.32,
09/01 14Z,  -0.30,   2.98,  99.90,   3.01,   0.32,
09/01 15Z,  -0.30,   3.71,  99.90,   3.74,   0.32,
09/01 16Z,  -0.30,   4.00,  99.90,   4.02,   0.32,  (max)
09/01 17Z,  -0.30,   3.77,  99.90,   3.79,   0.32,
09/01 18Z,  -0.30,   3.13,  99.90,   3.15,   0.32,
09/01 19Z,  -0.20,   2.25,  99.90,   2.37,   0.32,
09/01 20Z,  -0.20,   1.29,  99.90,   1.41,   0.32,
09/01 21Z,  -0.20,   0.48,  99.90,   0.60,   0.32,
09/01 22Z,  -0.20,   0.05,  99.90,   0.17,   0.32,  (min)
09/01 23Z,  -0.20,   0.12,  99.90,   0.25,   0.32,
09/02 00Z,  -0.20,   0.64,  99.90,   0.77,   0.32,

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