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 -0.081 -0.059 -0.103 2 -0.104 -0.082 -0.126 3 -0.067 -0.045 -0.089 4 -0.039 -0.017 -0.060 5 -0.018 0.004 -0.040 6 0.014 0.036 -0.007 7 0.054 0.076 0.032 8 0.098 0.120 0.076 9 0.108 0.130 0.086 10 0.072 0.093 0.050 11 0.007 0.029 -0.015 12 -0.044 -0.023 -0.066