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 -0.099 -0.134 2 -0.097 -0.079 -0.114 3 -0.027 -0.009 -0.045 4 0.024 0.042 0.006 5 0.062 0.080 0.045 6 0.060 0.078 0.043 7 0.036 0.054 0.019 8 0.060 0.078 0.042 9 0.093 0.111 0.075 10 0.047 0.065 0.030 11 -0.035 -0.017 -0.053 12 -0.108 -0.091 -0.126