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 3.150 1925 3.150 1930 3.130 3.730 2.540 3.150 1935 3.470 4.040 2.900 3.150 1940 3.120 3.690 2.540 3.150 1945 2.710 3.270 2.140 3.150 1950 3.160 3.710 2.600 3.150 1955 2.930 3.480 2.390 3.150 1960 2.640 3.180 2.100 3.150 1965 2.410 2.930 1.900 3.150 1970 2.420 2.930 1.920 3.150 1975 2.740 3.250 2.230 3.150 1980 2.740 3.250 2.230 3.150 1985 3.120 3.630 2.620 3.150 1990 3.580 4.080 3.080 3.150 1995 3.850 4.360 3.350 3.150 2000 4.390 4.890 3.880 3.150 2005 3.150 2010 3.150