The average seasonal cycle of mean sea level. The values are in meters. Column values are the Month, Relative Sea Level, Upper 95% Confidence Interval, and Lower 95% Confidence Interval. Product of NOAA’s National Ocean Service / Center for Operational Oceanographic Products and Services (CO-OPS) Month Water Level Upper95% Lower95% 1 -0.013 -0.000 -0.025 2 -0.033 -0.020 -0.045 3 -0.060 -0.048 -0.072 4 -0.076 -0.064 -0.089 5 -0.052 -0.039 -0.064 6 -0.009 0.003 -0.022 7 0.037 0.049 0.024 8 0.059 0.071 0.046 9 0.080 0.093 0.068 10 0.049 0.061 0.037 11 0.015 0.028 0.003 12 0.002 0.014 -0.010