Interannual variation of monthly mean sea level and the 5-month centered average.
The values are in meters.  The average seasonal cycle and the relative sea level trend have been removed.
Column values are the Year, Month, Interannual Variation, and the 5-month centered average of the Interannual Variation.
Product of NOAA’s National Ocean Service / Center for Operational Oceanographic Products and Services (CO-OPS)

Year   Month    Interannual_Var. Five_Month_Ave.
1990   1        -0.169                              
1990   2        -0.034                              
1990   3        -0.193               -0.107         
1990   4        -0.024               -0.076         
1990   5        -0.117               -0.084         
1990   6        -0.014               -0.063         
1990   7        -0.072               -0.067         
1990   8        -0.090               -0.046         
1990   9        -0.044               -0.042         
1990   10       -0.011               -0.029         
1990   11       0.007                -0.042         
1990   12       -0.005               -0.047         
1991   1        -0.156               -0.047         
1991   2        -0.071               -0.064         
1991   3        -0.009               -0.073         
1991   4        -0.077               -0.048         
1991   5        -0.053               -0.039         
1991   6        -0.030               -0.048         
1991   7        -0.027               -0.036         
1991   8        -0.054               -0.025         
1991   9        -0.014               -0.016         
1991   10       -0.002               -0.045         
1991   11       0.016                -0.068         
1991   12       -0.174               -0.103         
1992   1        -0.167               -0.126         
1992   2        -0.188               -0.124         
1992   3        -0.119               -0.115         
1992   4        0.027                -0.079         
1992   5        -0.128               -0.052         
1992   6        0.013                -0.038         
1992   7        -0.054               -0.061         
1992   8        -0.050               -0.006         
1992   9        -0.086               -0.018         
1992   10       0.150                -0.015         
1992   11       -0.047               -0.044         
1992   12       -0.040               -0.073         
1993   1        -0.199               -0.133         
1993   2        -0.229               -0.142         
1993   3        -0.153               -0.142         
1993   4        -0.089               -0.111         
1993   5        -0.041               -0.077         
1993   6        -0.042               -0.058         
1993   7        -0.062               -0.029         
1993   8        -0.056               -0.002         
1993   9        0.053                -0.010         
1993   10       0.094                0.015          
1993   11       -0.078               0.032          
1993   12       0.060                0.020          
1994   1        0.030                -0.017         
1994   2        -0.003               0.002          
1994   3        -0.093               -0.008         
1994   4        0.014                -0.028         
1994   5        0.011                -0.041         
1994   6        -0.069               -0.020         
1994   7        -0.069               -0.018         
1994   8        0.013                -0.028         
1994   9        0.025                -0.022         
1994   10       -0.041               -0.019         
1994   11       -0.037               -0.025         
1994   12       -0.058               -0.031         
1995   1        -0.015               -0.031         
1995   2        -0.003               -0.039         
1995   3        -0.041               -0.033         
1995   4        -0.077               -0.038         
1995   5        -0.029               -0.045         
1995   6        -0.041               -0.042         
1995   7        -0.037               -0.014         
1995   8        -0.027               -0.033         
1995   9        0.066                -0.034         
1995   10       -0.126               -0.017         
1995   11       -0.046               0.012          
1995   12       0.046                0.010          
1996   1        0.117                0.033          
1996   2        0.059                0.029          
1996   3        -0.010               0.033          
1996   4        -0.066               -0.013         
1996   5        0.062                -0.040         
1996   6        -0.112               -0.048         
1996   7        -0.076               -0.033         
1996   8        -0.048               -0.044         
1996   9        0.008                -0.004         
1996   10       0.009                0.026          
1996   11       0.085                0.048          
1996   12       0.076                0.024          
1997   1        0.063                0.001          
1997   2        -0.113               -0.040         
1997   3        -0.107               -0.053         
1997   4        -0.118               -0.056         
1997   5        0.010                -0.034         
1997   6        0.050                -0.020         
1997   7        -0.005               -0.005         
1997   8        -0.036               -0.006         
1997   9        -0.045               0.005          
1997   10       0.003                0.024          
1997   11       0.110                0.027          
1997   12       0.086                0.020          
1998   1        -0.017               -0.005         
1998   2        -0.083               -0.009         
1998   3        -0.119               -0.027         
1998   4        0.089                -0.027         
1998   5        -0.004               -0.000         
1998   6        -0.018               0.026          
1998   7        0.051                0.021          
1998   8        0.015                0.036          
1998   9        0.065                0.032          
1998   10       0.067                0.001          
1998   11       -0.035               -0.010         
1998   12       -0.106               -0.022         
1999   1        -0.042               -0.033         
1999   2        0.006                -0.020         
1999   3        0.011                0.004          
1999   4        0.031                0.005          
1999   5        0.011                0.002          
1999   6        -0.035               0.010          
1999   7        -0.008               0.016          
1999   8        0.052                0.017          
1999   9        0.059                0.014          
1999   10       0.017                0.012          
1999   11       -0.050               -0.020         
1999   12       -0.020               -0.048         
2000   1        -0.103               -0.063         
2000   2        -0.083               -0.031         
2000   3        -0.061               -0.030         
2000   4        0.112                -0.023         
2000   5        -0.015               0.002          
2000   6        -0.068               0.003          
2000   7        0.042                -0.013         
2000   8        -0.057               -0.002         
2000   9        0.033                0.040          
2000   10       0.041                0.045          
2000   11       0.141                0.089          
2000   12       0.065                0.088          
2001   1        0.165                0.120          
2001   2        0.025                0.093          
2001   3        0.205                0.087          
2001   4        0.005                0.051          
2001   5        0.036                0.050          
2001   6        -0.016               0.009          
2001   7        0.020                0.024          
2001   8        -0.000               0.012          
2001   9        0.083                -0.004         
2001   10       -0.027               -0.036         
2001   11       -0.095               -0.066         
2001   12       -0.142               -0.086         
2002   1        -0.147               -0.084         
2002   2        -0.021               -0.064         
2002   3        -0.017               -0.039         
2002   4        0.005                -0.010         
2002   5        -0.015               -0.004         
2002   6        -0.000               0.009          
2002   7        0.006                0.024          
2002   8        0.047                0.037          
2002   9        0.082                0.065          
2002   10       0.051                0.077          
2002   11       0.139                0.088          
2002   12       0.067                0.056          
2003   1        0.101                0.020          
2003   2        -0.078               -0.017         
2003   3        -0.127               -0.047         
2003   4        -0.049               -0.074         
2003   5        -0.080               -0.060         
2003   6        -0.037               -0.035         
2003   7        -0.007               -0.037         
2003   8        -0.002               -0.015         
2003   9        -0.057               -0.015         
2003   10       0.028                -0.021         
2003   11       -0.036               -0.011         
2003   12       -0.038               -0.008         
2004   1        0.048                -0.023         
2004   2        -0.041               -0.014         
2004   3        -0.045               0.005          
2004   4        0.008                -0.008         
2004   5        0.054                -0.004         
2004   6        -0.015               0.015          
2004   7        -0.022               0.012          
2004   8        0.050                0.016          
2004   9        -0.007               0.016          
2004   10       0.073                0.016          
2004   11       -0.013               -0.009         
2004   12       -0.023               -0.017         
2005   1        -0.073               -0.034         
2005   2        -0.047               -0.032         
2005   3        -0.015               -0.032         
2005   4        -0.004               -0.021         
2005   5        -0.021               -0.009         
2005   6        -0.020               0.001          
2005   7        0.017                0.005          
2005   8        0.034                -0.004         
2005   9        0.013                -0.009         
2005   10       -0.062               -0.014         
2005   11       -0.047               -0.041         
2005   12       -0.008               -0.040         
2006   1        -0.099               -0.007         
2006   2        0.014                0.002          
2006   3        0.104                -0.005         
2006   4        -0.002               0.005          
2006   5        -0.041               -0.004         
2006   6        -0.051               -0.011         
2006   7        -0.028               0.000          
2006   8        0.068                0.017          
2006   9        0.052                0.015          
2006   10       0.046                -0.009         
2006   11       -0.062               -0.030         
2006   12       -0.151               -0.031         
2007   1        -0.033               -0.030         
2007   2        0.047                -0.034         
2007   3        0.051                0.006          
2007   4        -0.085               0.023          
2007   5        0.052                0.016          
2007   6        0.053                0.004          
2007   7        0.008                0.014          
2007   8        -0.008               -0.009         
2007   9        -0.033               -0.037         
2007   10       -0.064               -0.065         
2007   11       -0.087               -0.069         
2007   12       -0.135               -0.100         
2008   1        -0.025               -0.070         
2008   2        -0.192               -0.035         
2008   3        0.087                -0.007         
2008   4        0.087                -0.002         
2008   5        0.009                0.035          
2008   6        -0.003               0.013          
2008   7        -0.006               -0.008         
2008   8        -0.021               -0.025         
2008   9        -0.017               -0.016         
2008   10       -0.075               0.001          
2008   11       0.038                0.012          
2008   12       0.079                0.043          
2009   1        0.035                0.067          
2009   2        0.137                0.061          
2009   3        0.047                0.040          
2009   4        0.008                0.048          
2009   5        -0.028               0.023          
2009   6        0.078                0.011          
2009   7        0.010                0.011          
2009   8        -0.012               0.024          
2009   9        0.005                0.013          
2009   10       0.039                0.047          
2009   11       0.023                0.087          
2009   12       0.181                0.134          
2010   1        0.187                0.139          
2010   2        0.244                0.130          
2010   3        0.064                0.115          
2010   4        -0.025               0.100          
2010   5        0.105                0.055          
2010   6        0.112                0.049          
2010   7        0.021                0.072          
2010   8        0.031                0.071          
2010   9        0.094                0.089          
2010   10       0.095                0.121          
2010   11       0.206                0.122          
2010   12       0.181                0.110          
2011   1        0.036                0.082          
2011   2        0.032                0.027          
2011   3        -0.044               -0.013         
2011   4        -0.071               -0.015         
2011   5        -0.017               -0.005         
2011   6        0.022                0.009          
2011   7        0.084                0.031          
2011   8        0.028                0.024          
2011   9        0.037                0.007          
2011   10       -0.051               -0.011         
2011   11       -0.065               -0.034         
2011   12       -0.002               -0.077         
2012   1        -0.087               -0.096         
2012   2        -0.182               -0.063         
2012   3        -0.146               -0.065         
2012   4        0.104                -0.049         
2012   5        -0.014               -0.010         
2012   6        -0.007               0.022          
2012   7        0.013                0.008          
2012   8        0.016                0.027          
2012   9        0.032                0.041          
2012   10       0.082                0.047          
2012   11       0.063                0.066          
2012   12       0.043                0.079          
2013   1        0.112                0.101          
2013   2        0.095                0.097          
2013   3        0.192                0.108          
2013   4        0.043                0.090          
2013   5        0.101                0.070          
2013   6        0.021                0.036          
2013   7        -0.005               0.033          
2013   8        0.022                0.020          
2013   9        0.026                0.037          
2013   10       0.038                0.021          
2013   11       0.102                0.055          
2013   12       -0.084               0.088          
2014   1        0.193                0.085          
2014   2        0.189                0.079          
2014   3        0.022                0.098          
2014   4        0.073                0.066          
2014   5        0.014                0.048          
2014   6        0.030                0.058          
2014   7        0.100                0.059          
2014   8        0.071                0.062          
2014   9        0.080                0.087          
2014   10       0.032                0.079          
2014   11       0.152                0.069          
2014   12       0.061                0.069          
2015   1        0.022                0.058          
2015   2        0.079                0.012          
2015   3        -0.025               0.005          
2015   4        -0.078               -0.005         
2015   5        0.029                -0.012         
2015   6        -0.028               0.002          
2015   7        0.040                0.029          
2015   8        0.046                0.033          
2015   9        0.056                0.024          
2015   10       0.051                -0.016         
2015   11       -0.072               -0.014         
2015   12       -0.163               -0.008         
2016   1        0.057                0.002          
2016   2        0.086                0.023          
2016   3        0.105                0.066          
2016   4        0.030                0.064          
2016   5        0.051                0.049          
2016   6        0.051                0.025          
2016   7        0.010                0.024          
2016   8        -0.017               0.011          
2016   9        0.028                0.007          
2016   10       -0.016               -0.034         
2016   11       0.030                -0.056         
2016   12       -0.196               -0.072         
2017   1        -0.125               -0.080         
2017   2        -0.053               -0.100         
2017   3        -0.057               -0.063         
2017   4        -0.073               -0.039         
2017   5        -0.011               -0.023         
2017   6        -0.001               -0.014         
2017   7        0.026                0.011          
2017   8        -0.012               -0.005         
2017   9        0.051                -0.008         
2017   10       -0.088               -0.018         
2017   11       -0.018               -0.007         
2017   12       -0.022               -0.017         
2018   1        0.042                0.052          
2018   2        0.002                0.057          
2018   3        0.257                0.069          
2018   4        0.007                0.063          
2018   5        0.035                0.066          
2018   6        0.013                0.018          
2018   7        0.017                0.013          
2018   8        0.018                0.013          
2018   9        -0.020               0.020          
2018   10       0.034                0.014          
2018   11       0.050                0.018          
2018   12       -0.014               0.014          
2019   1        0.038                -0.004         
2019   2        -0.037               -0.011         
2019   3        -0.057               -0.001         
2019   4        0.018                -0.009         
2019   5        0.033                0.006          
2019   6        -0.001               0.016          
2019   7        0.038                0.007          
2019   8        -0.008               0.001          
2019   9        -0.027               0.056          
2019   10       0.005                0.066          
2019   11       0.272                0.047          
2019   12       0.088                0.045          
2020   1        -0.104               0.039          
2020   2        -0.037               -0.029         
2020   3        -0.024               -0.053         
2020   4        -0.071               -0.016         
2020   5        -0.028               -0.012         
2020   6        0.079                0.003          
2020   7        -0.015               0.019          
2020   8        0.049                0.039          
2020   9        0.009                0.001          
2020   10       0.075                0.040          
2020   11       -0.114               0.056          
2020   12       0.181                0.063          
2021   1        0.131                0.021          
2021   2        0.042                0.032          
2021   3        -0.134               -0.004         
2021   4        -0.059               -0.030         
2021   5        0.000                -0.032         
2021   6        -0.001               0.005          
2021   7        0.033                0.015          
2021   8        0.049                0.003          
2021   9        -0.009               0.012          
2021   10       -0.056               0.019          
2021   11       0.040                               
2021   12       0.070