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 -0.041 -0.024 -0.059 2 -0.055 -0.038 -0.072 3 -0.062 -0.045 -0.080 4 -0.024 -0.007 -0.042 5 -0.014 0.004 -0.032 6 0.001 0.019 -0.017 7 0.008 0.026 -0.009 8 0.022 0.040 0.004 9 0.027 0.045 0.010 10 0.062 0.080 0.045 11 0.060 0.078 0.042 12 0.016 0.033 -0.002