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 -0.082 -0.067 -0.097 2 -0.073 -0.058 -0.088 3 -0.041 -0.026 -0.056 4 -0.012 0.003 -0.027 5 0.015 0.030 -0.000 6 0.026 0.041 0.011 7 0.015 0.029 -0.000 8 0.041 0.056 0.026 9 0.087 0.101 0.072 10 0.075 0.090 0.061 11 0.008 0.023 -0.006 12 -0.059 -0.044 -0.074