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PLEASE NOTE that zero is now at Mean Lower Low Water (MLLW).
This is the old default datum.
#Yorktown USCG, VA : 06/28/2017 06:19:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/26 12Z,  -0.10,   0.40,   0.65,  99.90,   0.35,
06/26 13Z,  -0.10,   1.13,   1.42,  99.90,   0.39,
06/26 14Z,  -0.10,   1.89,   2.25,  99.90,   0.46,
06/26 15Z,  -0.10,   2.43,   2.81,  99.90,   0.48,
06/26 16Z,  -0.10,   2.58,   2.95,  99.90,   0.47,  (max)
06/26 17Z,  -0.10,   2.34,   2.68,  99.90,   0.44,
06/26 18Z,  -0.10,   1.83,   2.13,  99.90,   0.40,
06/26 19Z,  -0.10,   1.17,   1.50,  99.90,   0.43,
06/26 20Z,  -0.10,   0.52,   0.83,  99.90,   0.41,
06/26 21Z,  -0.10,   0.04,   0.39,  99.90,   0.45,
06/26 22Z,  -0.10,  -0.13,   0.19,  99.90,   0.42,  (min)
06/26 23Z,  -0.10,   0.05,   0.31,  99.90,   0.36,
06/27 00Z,  -0.10,   0.53,   0.76,  99.90,   0.33,
06/27 01Z,  -0.10,   1.25,   1.53,  99.90,   0.38,
06/27 02Z,  -0.10,   2.03,   2.30,  99.90,   0.37,
06/27 03Z,  -0.10,   2.66,   2.89,  99.90,   0.33,
06/27 04Z,  -0.10,   2.93,   3.07,  99.90,   0.24,  (max)
06/27 05Z,  -0.10,   2.79,   2.94,  99.90,   0.25,
06/27 06Z,  -0.10,   2.32,   2.56,  99.90,   0.34,
06/27 07Z,  -0.10,   1.65,   2.07,  99.90,   0.52,
06/27 08Z,  -0.10,   0.93,   1.41,  99.90,   0.58,
06/27 09Z,  -0.10,   0.29,   0.73,  99.90,   0.54,
06/27 10Z,  -0.10,  -0.12,   0.33,  99.90,   0.55,
06/27 11Z,  -0.10,  -0.22,   0.20,  99.90,   0.52,  (min)
06/27 12Z,  -0.10,   0.00,   0.48,  99.90,   0.58,
06/27 13Z,  -0.10,   0.52,   1.00,  99.90,   0.58,
06/27 14Z,  -0.10,   1.24,   1.87,  99.90,   0.73,
06/27 15Z,  -0.10,   1.97,   2.52,  99.90,   0.65,
06/27 16Z,  -0.10,   2.46,   2.95,  99.90,   0.59,
06/27 17Z,  -0.10,   2.56,   3.03,  99.90,   0.57,  (max)
06/27 18Z,  -0.10,   2.30,   2.72,  99.90,   0.52,
06/27 19Z,  -0.10,   1.78,   2.27,  99.90,   0.59,
06/27 20Z,  -0.10,   1.15,   1.60,  99.90,   0.55,
06/27 21Z,  -0.10,   0.55,   1.00,  99.90,   0.55,
06/27 22Z,  -0.10,   0.13,   0.62,  99.90,   0.59,
06/27 23Z,  -0.10,  -0.01,   0.45,  99.90,   0.56,  (min)
06/28 00Z,  -0.10,   0.16,   0.61,  99.90,   0.55,
06/28 01Z,  -0.10,   0.60,   1.01,  99.90,   0.51,
06/28 02Z,  -0.20,   1.27,   1.71,  99.90,   0.64,
06/28 03Z,  -0.20,   1.99,   2.44,  99.90,   0.65,
06/28 04Z,  -0.20,   2.55,   3.01,  99.90,   0.66,
06/28 05Z,  -0.20,   2.76,   3.17,  99.90,   0.61,  (max)
06/28 06Z,  -0.20,   2.59,   2.98,  99.90,   0.59,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/28 07Z,  -0.20,   2.12,  99.90,   2.51,   0.59,
06/28 08Z,  -0.10,   1.50,  99.90,   1.98,   0.58,
06/28 09Z,  -0.10,   0.85,  99.90,   1.32,   0.57,
06/28 10Z,  -0.10,   0.29,  99.90,   0.76,   0.56,
06/28 11Z,  -0.10,  -0.04,  99.90,   0.41,   0.55,  (min)
06/28 12Z,   0.00,  -0.10,  99.90,   0.44,   0.55,
06/28 13Z,   0.00,   0.14,  99.90,   0.67,   0.54,
06/28 14Z,   0.00,   0.65,  99.90,   1.18,   0.53,
06/28 15Z,   0.00,   1.35,  99.90,   1.87,   0.52,
06/28 16Z,   0.00,   2.04,  99.90,   2.55,   0.51,
06/28 17Z,   0.00,   2.46,  99.90,   2.97,   0.51,
06/28 18Z,   0.00,   2.52,  99.90,   3.02,   0.50,  (max)
06/28 19Z,  -0.10,   2.24,  99.90,   2.64,   0.50,
06/28 20Z,  -0.10,   1.75,  99.90,   2.15,   0.50,
06/28 21Z,  -0.10,   1.17,  99.90,   1.56,   0.50,
06/28 22Z,  -0.10,   0.62,  99.90,   1.02,   0.50,
06/28 23Z,  -0.10,   0.25,  99.90,   0.64,   0.50,
06/29 00Z,  -0.10,   0.12,  99.90,   0.51,   0.50,  (min)
06/29 01Z,  -0.10,   0.26,  99.90,   0.66,   0.50,
06/29 02Z,  -0.10,   0.67,  99.90,   1.06,   0.50,
06/29 03Z,  -0.10,   1.28,  99.90,   1.67,   0.50,
06/29 04Z,  -0.10,   1.94,  99.90,   2.33,   0.50,
06/29 05Z,  -0.10,   2.42,  99.90,   2.82,   0.50,
06/29 06Z,  -0.10,   2.56,  99.90,   2.96,   0.50,  (max)
06/29 07Z,  -0.20,   2.36,  99.90,   2.66,   0.50,
06/29 08Z,  -0.30,   1.92,  99.90,   2.12,   0.50,
06/29 09Z,  -0.30,   1.36,  99.90,   1.56,   0.50,
06/29 10Z,  -0.30,   0.79,  99.90,   0.99,   0.50,
06/29 11Z,  -0.30,   0.32,  99.90,   0.51,   0.50,
06/29 12Z,  -0.30,   0.04,  99.90,   0.24,   0.50,  (min)
06/29 13Z,  -0.20,   0.02,  99.90,   0.32,   0.50,
06/29 14Z,  -0.20,   0.28,  99.90,   0.57,   0.50,
06/29 15Z,  -0.20,   0.79,  99.90,   1.09,   0.50,
06/29 16Z,  -0.30,   1.47,  99.90,   1.67,   0.50,
06/29 17Z,  -0.30,   2.09,  99.90,   2.29,   0.50,
06/29 18Z,  -0.30,   2.45,  99.90,   2.65,   0.50,  (max)
06/29 19Z,  -0.40,   2.46,  99.90,   2.56,   0.50,
06/29 20Z,  -0.40,   2.18,  99.90,   2.28,   0.50,
06/29 21Z,  -0.40,   1.73,  99.90,   1.82,   0.50,
06/29 22Z,  -0.40,   1.20,  99.90,   1.30,   0.50,
06/29 23Z,  -0.40,   0.70,  99.90,   0.80,   0.50,
06/30 00Z,  -0.40,   0.35,  99.90,   0.45,   0.50,
06/30 01Z,  -0.40,   0.22,  99.90,   0.32,   0.50,  (min)
06/30 02Z,  -0.40,   0.35,  99.90,   0.44,   0.50,
06/30 03Z,  -0.40,   0.72,  99.90,   0.82,   0.50,
06/30 04Z,  -0.50,   1.28,  99.90,   1.28,   0.50,
06/30 05Z,  -0.50,   1.87,  99.90,   1.86,   0.50,
06/30 06Z,  -0.50,   2.27,  99.90,   2.26,   0.50,  (max)
06/30 07Z,  -0.60,   2.35,  99.90,   2.25,   0.50,
06/30 08Z,  -0.70,   2.14,  99.90,   1.94,   0.50,
06/30 09Z,  -0.70,   1.74,  99.90,   1.54,   0.50,
06/30 10Z,  -0.70,   1.25,  99.90,   1.05,   0.50,
06/30 11Z,  -0.70,   0.76,  99.90,   0.55,   0.50,
06/30 12Z,  -0.60,   0.35,  99.90,   0.25,   0.50,
06/30 13Z,  -0.60,   0.13,  99.90,   0.02,   0.50,  (min)
06/30 14Z,  -0.50,   0.14,  99.90,   0.14,   0.50,
06/30 15Z,  -0.50,   0.42,  99.90,   0.42,   0.50,
06/30 16Z,  -0.50,   0.94,  99.90,   0.94,   0.50,
06/30 17Z,  -0.50,   1.58,  99.90,   1.58,   0.50,
06/30 18Z,  -0.50,   2.14,  99.90,   2.14,   0.50,
06/30 19Z,  -0.50,   2.43,  99.90,   2.43,   0.50,  (max)
06/30 20Z,  -0.60,   2.40,  99.90,   2.30,   0.50,
06/30 21Z,  -0.60,   2.14,  99.90,   2.04,   0.50,
06/30 22Z,  -0.60,   1.72,  99.90,   1.62,   0.50,
06/30 23Z,  -0.60,   1.23,  99.90,   1.13,   0.50,
07/01 00Z,  -0.60,   0.76,  99.90,   0.66,   0.50,
07/01 01Z,  -0.60,   0.43,  99.90,   0.32,   0.50,
07/01 02Z,  -0.50,   0.30,  99.90,   0.30,   0.50,  (min)
07/01 03Z,  -0.50,   0.41,  99.90,   0.41,   0.50,
07/01 04Z,  -0.50,   0.76,  99.90,   0.76,   0.50,
07/01 05Z,  -0.50,   1.28,  99.90,   1.27,   0.50,
07/01 06Z,  -0.60,   1.79,  99.90,   1.69,   0.50,
07/01 07Z,  -0.60,   2.12,  99.90,   2.01,   0.50,  (max)
07/01 08Z,  -0.70,   2.16,  99.90,   1.96,   0.50,
07/01 09Z,  -0.70,   1.96,  99.90,   1.76,   0.50,
07/01 10Z,  -0.60,   1.61,  99.90,   1.51,   0.50,
07/01 11Z,  -0.60,   1.18,  99.90,   1.07,   0.50,
07/01 12Z,  -0.60,   0.73,  99.90,   0.62,   0.50,
07/01 13Z,  -0.50,   0.37,  99.90,   0.37,   0.50,
07/01 14Z,  -0.40,   0.20,  99.90,   0.30,   0.50,  (min)
07/01 15Z,  -0.40,   0.27,  99.90,   0.36,   0.50,
07/01 16Z,  -0.40,   0.57,  99.90,   0.67,   0.50,
07/01 17Z,  -0.40,   1.09,  99.90,   1.19,   0.50,
07/01 18Z,  -0.40,   1.68,  99.90,   1.78,   0.50,
07/01 19Z,  -0.40,   2.17,  99.90,   2.27,   0.50,
07/01 20Z,  -0.50,   2.41,  99.90,   2.40,   0.50,  (max)
07/01 21Z,  -0.50,   2.36,  99.90,   2.36,   0.50,
07/01 22Z,  -0.50,   2.11,  99.90,   2.11,   0.50,
07/01 23Z,  -0.40,   1.72,  99.90,   1.81,   0.50,
07/02 00Z,  -0.40,   1.24,  99.90,   1.34,   0.50,

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