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 0.073 0.105 0.040 2 -0.018 0.015 -0.050 3 -0.098 -0.066 -0.131 4 -0.116 -0.084 -0.149 5 -0.146 -0.113 -0.179 6 -0.051 -0.018 -0.084 7 0.032 0.064 -0.001 8 0.031 0.063 -0.002 9 0.048 0.081 0.016 10 0.058 0.090 0.026 11 0.078 0.110 0.046 12 0.109 0.141 0.077