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Sea Level Trends

Mean Sea Level Trend
9751639 Charlotte Amalie, Virgin Islands

chart: Mean Sea Level Trend, 9751639 - Charlotte Amalie, Virgin Islands

The mean sea level trend is 1.6 millimeters/year with a 95% confidence
interval of +/- 0.71 mm/yr based on monthly mean sea level data from
1975 to 2013 which is equivalent to a change of 0.52 feet in 100 years.

NEW! Updated Mean Sea Level Trends

The plot shows the monthly mean sea level without the regular seasonal fluctuations due to coastal ocean temperatures, salinities, winds, atmospheric pressures, and ocean currents. The long-term linear trend is also shown, including its 95% confidence interval. The plotted values are relative to the most recent Mean Sea Level datum established by CO-OPS. The calculated trends for all stations are available as a table in millimeters/year or a table in feet/century (0.3 meters = 1 foot).

If present, solid vertical lines indicate times of any major earthquakes in the vicinity of the station and dashed vertical lines bracket any periods of questionable data.

chart: Average Seasonal Cycle, 9751639 - Charlotte Amalie, Virgin Islands
chart: Interannual variation for all data, 9751639 - Charlotte Amalie, Virgin Islands
for all data
Interannual variation since 1990, 9751639 - Charlotte Amalie, Virgin Islands
since 1990

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