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 0.012 0.026 -0.002 2 -0.004 0.011 -0.018 3 -0.040 -0.026 -0.055 4 -0.077 -0.062 -0.091 5 -0.060 -0.045 -0.074 6 -0.026 -0.012 -0.040 7 0.017 0.031 0.002 8 0.039 0.053 0.024 9 0.063 0.077 0.049 10 0.042 0.057 0.028 11 0.016 0.030 0.002 12 0.017 0.032 0.003