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 -0.064 -0.054 -0.074 2 -0.080 -0.070 -0.090 3 -0.071 -0.060 -0.081 4 -0.048 -0.038 -0.058 5 -0.021 -0.011 -0.032 6 -0.018 -0.007 -0.028 7 -0.012 -0.002 -0.023 8 0.029 0.039 0.019 9 0.094 0.104 0.084 10 0.129 0.140 0.119 11 0.077 0.087 0.067 12 -0.016 -0.006 -0.026