Relative sea-level trends calculated for overlapping 50-year segments of data. Column values are the Year, Relative Sea Level Trend, Upper 95% Confidence Interval, Lower 95% Confidence Interval, and the latest relative sea level trend. Product of NOAA’s National Ocean Service / Center for Operational Oceanographic Products and Services (CO-OPS) Trend Year Trend in mm Upper95% Lower95% Linear Trend 1920 3.550 1925 3.550 1930 3.550 1935 3.550 1940 3.550 1945 3.550 1950 3.790 4.400 3.170 3.550 1955 3.270 3.850 2.700 3.550 1960 2.880 3.440 2.330 3.550 1965 2.470 3.000 1.930 3.550 1970 2.410 2.940 1.890 3.550 1975 2.880 3.440 2.310 3.550 1980 2.710 3.300 2.130 3.550 1985 2.830 3.400 2.270 3.550 1990 3.170 3.720 2.630 3.550 1995 3.590 4.150 3.030 3.550 2000 4.100 4.650 3.540 3.550 2005 3.550 2010 3.550