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 -0.117 -0.090 -0.145 2 -0.072 -0.045 -0.099 3 0.027 0.054 0.001 4 0.212 0.239 0.185 5 0.185 0.212 0.159 6 0.071 0.098 0.044 7 -0.027 -0.000 -0.054 8 -0.066 -0.039 -0.093 9 -0.089 -0.062 -0.115 10 -0.051 -0.025 -0.077 11 -0.009 0.018 -0.036 12 -0.065 -0.038 -0.092