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 1.490 1925 0.640 2.080 -0.800 1.490 1930 0.570 1.820 -0.680 1.490 1935 0.780 1.910 -0.360 1.490 1940 0.530 1.610 -0.550 1.490 1945 0.320 1.380 -0.730 1.490 1950 0.290 1.340 -0.760 1.490 1955 0.280 1.330 -0.770 1.490 1960 0.930 2.020 -0.160 1.490 1965 1.720 2.860 0.580 1.490 1970 2.280 3.450 1.120 1.490 1975 2.710 3.850 1.570 1.490 1980 3.220 4.310 2.120 1.490 1985 3.530 4.590 2.460 1.490 1990 3.510 4.530 2.480 1.490 1995 1.490 2000 1.490