Monthly sea levels for TUVALU ----------------------------- Mth Year Gaps Good Minimum Maximum Mean St Devn 3 1993 5520 1920 1.270 2.798 2.006 0.397 4 1993 7004 196 1.513 2.425 1.956 0.300 5 1993 2640 4800 1.041 2.712 1.874 0.408 6 1993 0 7200 0.947 2.880 1.892 0.460 7 1993 0 7440 0.924 2.958 1.912 0.460 8 1993 0 7440 0.793 2.985 1.891 0.488 9 1993 4320 2880 1.048 2.697 1.889 0.396 10 1993 7440 0 11 1993 840 6360 0.873 3.103 1.953 0.474 12 1993 6498 942 1.220 2.752 1.949 0.425 1 1994 0 7440 1.069 3.102 2.054 0.488 2 1994 0 6720 1.078 3.253 2.106 0.489 3 1994 0 7440 0.934 3.167 2.097 0.496 4 1994 0 7200 0.888 3.160 2.037 0.480 5 1994 0 7440 0.969 3.148 2.016 0.466 6 1994 110 7090 0.971 3.041 1.991 0.452 7 1994 1440 6000 1.054 3.042 1.945 0.478 8 1994 4080 3360 1.005 2.896 1.934 0.446 9 1994 0 7200 0.932 2.976 1.938 0.480 10 1994 0 7440 0.878 3.048 1.934 0.492 11 1994 0 7200 0.903 3.136 1.990 0.483 12 1994 0 7440 0.898 3.173 2.006 0.495 1 1995 0 7440 0.839 3.156 1.960 0.505 2 1995 0 6720 0.923 3.013 1.971 0.485 3 1995 960 6480 1.040 3.104 2.093 0.513 4 1995 480 6720 1.067 3.202 2.137 0.474 5 1995 0 7440 1.031 3.192 2.083 0.465 6 1995 0 7200 0.970 3.192 2.039 0.453 7 1995 0 7440 0.918 3.123 2.004 0.463 8 1995 0 7440 0.873 3.021 1.954 0.479 9 1995 0 7200 1.046 3.048 2.021 0.479 10 1995 0 7440 0.988 3.050 1.991 0.479 11 1995 0 7200 0.979 3.137 2.032 0.473 12 1995 240 7200 0.844 3.126 1.955 0.462 1 1996 0 7440 0.958 3.270 2.051 0.468 2 1996 0 6960 1.060 3.333 2.148 0.484 3 1996 0 7440 1.047 3.239 2.142 0.485 4 1996 0 7200 1.140 3.073 2.082 0.477 5 1996 0 7440 1.125 3.065 2.024 0.468 6 1996 0 7200 0.932 3.100 1.987 0.462 7 1996 0 7440 0.848 3.112 1.961 0.486 8 1996 0 7440 0.841 3.123 1.986 0.498 9 1996 0 7200 0.877 3.008 1.961 0.480 10 1996 0 7440 0.982 2.998 1.940 0.471 11 1996 0 7200 1.053 2.924 1.972 0.461 12 1996 0 7440 0.945 2.997 1.954 0.456 1 1997 0 7440 0.839 3.067 1.961 0.469 2 1997 0 6720 0.869 3.274 2.061 0.505 3 1997 0 7440 1.005 3.332 2.123 0.491 4 1997 0 7200 1.046 3.169 2.056 0.483 5 1997 0 7440 1.048 3.029 2.021 0.474 6 1997 0 7200 0.948 2.863 1.920 0.453 7 1997 0 7440 0.910 2.970 1.897 0.454 8 1997 0 7440 0.820 3.099 1.916 0.480 9 1997 0 7200 0.794 3.123 1.947 0.494 10 1997 0 7440 0.862 3.061 1.952 0.487 11 1997 0 7200 0.907 2.992 1.887 0.473 12 1997 0 7440 0.825 2.845 1.840 0.482 1 1998 0 7440 0.674 2.905 1.807 0.495 2 1998 0 6720 0.527 2.843 1.683 0.492 3 1998 0 7440 0.542 2.846 1.691 0.508 4 1998 0 7200 0.616 2.809 1.673 0.491 5 1998 0 7440 0.737 2.757 1.713 0.460 6 1998 0 7200 0.835 2.804 1.773 0.451 7 1998 0 7440 0.842 2.689 1.752 0.436 8 1998 1139 6301 0.855 2.812 1.779 0.434 9 1998 460 6740 0.670 2.850 1.720 0.486 10 1998 0 7440 0.696 2.960 1.831 0.481 11 1998 0 7200 0.861 3.063 1.956 0.491 12 1998 0 7440 0.896 3.101 1.985 0.488 1 1999 0 7440 1.000 3.179 2.066 0.487 2 1999 0 6720 1.062 3.219 2.097 0.480 3 1999 0 7440 1.034 3.196 2.082 0.498 4 1999 0 7200 0.933 3.077 1.990 0.472 5 1999 0 7440 0.919 3.079 1.975 0.461 6 1999 0 7200 0.855 2.944 1.895 0.450 7 1999 0 7440 1.002 3.043 1.958 0.457 8 1999 0 7440 1.036 2.990 1.988 0.467 9 1999 0 7200 0.975 2.999 1.965 0.486 10 1999 0 7440 0.979 3.107 1.994 0.479 11 1999 0 7200 0.944 3.143 2.033 0.473 12 1999 0 7440 1.012 3.176 2.057 0.456 1 2000 0 7440 1.057 3.240 2.081 0.455 2 2000 0 6960 1.063 3.190 2.094 0.467 3 2000 0 7440 1.215 3.199 2.148 0.464 4 2000 0 7200 1.150 3.080 2.090 0.468 5 2000 0 7440 1.093 3.059 1.973 0.468 6 2000 0 7200 0.984 3.062 1.947 0.457 7 2000 0 7440 0.830 3.020 1.920 0.475 8 2000 0 7440 0.845 3.116 1.984 0.483 9 2000 0 7200 0.989 3.036 1.976 0.480 10 2000 0 7440 1.122 2.987 2.042 0.466 11 2000 0 7200 1.129 3.057 2.045 0.452 12 2000 0 7440 1.072 3.132 2.072 0.445 1 2001 0 7440 1.032 3.183 2.072 0.451 2 2001 0 6720 1.062 3.328 2.146 0.483 3 2001 0 7440 1.101 3.348 2.156 0.477 4 2001 0 7200 1.114 3.157 2.074 0.471 5 2001 0 7440 1.073 2.971 1.973 0.462 6 2001 0 7200 1.004 2.948 1.935 0.454 7 2001 0 7440 0.868 2.969 1.901 0.451 8 2001 0 7440 0.860 3.131 1.978 0.465 9 2001 0 7200 0.863 3.095 1.975 0.475 10 2001 0 7440 0.885 3.047 1.967 0.479 11 2001 0 7200 1.063 3.019 2.016 0.457 12 2001 0 7440 1.010 2.994 1.987 0.461 1 2002 0 7440 1.025 3.236 2.038 0.478 2 2002 0 6720 1.039 3.310 2.143 0.468 3 2002 0 7440 1.079 3.307 2.162 0.494 4 2002 0 7200 1.096 3.207 2.130 0.469 5 2002 0 7440 0.989 2.995 2.046 0.448 6 2002 0 7200 1.160 2.927 2.027 0.432 7 2002 0 7440 1.100 2.965 1.995 0.429 8 2002 0 7440 1.015 3.066 2.006 0.443 9 2002 0 7200 0.911 3.104 1.987 0.468 10 2002 0 7440 0.947 3.184 1.992 0.476 11 2002 0 7200 0.929 3.177 2.049 0.473 12 2002 0 7440 1.044 3.143 2.022 0.459 1 2003 0 7440 1.034 3.049 1.999 0.463 2 2003 0 6720 0.925 3.077 1.993 0.476 3 2003 0 7440 1.015 3.156 2.072 0.487 4 2003 0 7200 1.059 3.255 2.124 0.481 5 2003 0 7440 1.084 3.265 2.118 0.457 6 2003 0 7200 1.049 3.082 2.021 0.434 7 2003 0 7440 1.029 2.962 1.990 0.438 8 2003 0 7440 0.975 2.982 2.004 0.462 9 2003 0 7200 1.040 3.083 2.016 0.479 10 2003 0 7440 0.879 3.124 1.946 0.475 11 2003 0 7200 0.995 3.157 2.001 0.458 12 2003 0 7440 0.990 3.093 2.021 0.445 1 2004 0 7440 0.976 3.075 2.005 0.445 2 2004 0 6960 1.040 3.104 2.048 0.458 3 2004 0 7440 1.154 3.132 2.131 0.466 4 2004 0 7200 1.138 3.147 2.101 0.465 5 2004 0 7440 1.061 3.126 2.060 0.462 6 2004 0 7200 1.060 3.065 2.010 0.440 7 2004 0 7440 0.981 3.086 1.995 0.448 8 2004 0 7440 0.946 3.100 1.981 0.466 9 2004 0 7200 1.051 3.002 2.000 0.474 10 2004 0 7440 1.090 3.012 2.014 0.457 11 2004 0 7200 1.098 3.080 2.035 0.436 12 2004 0 7440 0.988 3.067 2.011 0.433 1 2005 0 7440 0.964 3.142 2.032 0.444 2 2005 0 6720 0.905 3.230 1.974 0.488 3 2005 0 7440 0.723 3.004 1.883 0.487 4 2005 0 7200 1.065 3.100 2.076 0.472 5 2005 0 7440 1.088 2.998 2.034 0.453 6 2005 0 7200 1.039 3.047 2.015 0.446 7 2005 0 7440 0.997 3.117 1.995 0.432 8 2005 0 7440 0.919 3.159 2.028 0.445 9 2005 0 7200 0.915 3.183 2.031 0.464 10 2005 0 7440 1.040 3.087 2.041 0.466 11 2005 0 7200 1.190 3.001 2.068 0.445 12 2005 0 7440 1.083 3.123 2.096 0.440 1 2006 0 7440 1.075 3.365 2.157 0.468 2 2006 0 6720 1.112 3.438 2.213 0.460 3 2006 0 7440 1.058 3.373 2.146 0.490 4 2006 0 7200 1.084 3.113 2.066 0.461 5 2006 0 7440 1.150 2.998 2.024 0.432 6 2006 0 7200 1.074 2.821 1.938 0.420 7 2006 0 7440 0.929 2.924 1.897 0.433 8 2006 0 7440 0.888 3.092 1.928 0.450 9 2006 0 7200 0.782 3.089 1.953 0.477 10 2006 0 7440 0.918 3.159 2.000 0.467 11 2006 0 7200 1.028 3.132 1.996 0.456 12 2006 0 7440 1.065 2.974 2.018 0.443 1 2007 0 7440 1.000 3.051 2.013 0.454 2 2007 0 6720 0.973 3.221 2.046 0.470 3 2007 0 7440 0.999 3.267 2.112 0.480 4 2007 0 7200 1.124 3.273 2.141 0.463 5 2007 0 7440 1.119 3.111 2.078 0.432 6 2007 0 7200 1.118 2.990 2.047 0.422 7 2007 0 7440 1.086 3.011 2.026 0.445 8 2007 0 7440 0.979 3.024 1.986 0.471 9 2007 0 7200 0.929 3.119 1.979 0.478 10 2007 0 7440 1.056 3.206 2.054 0.460 11 2007 0 7200 1.040 3.159 2.079 0.443 12 2007 0 7440 1.119 3.142 2.055 0.425 1 2008 0 7440 1.188 3.218 2.148 0.436 2 2008 0 6960 1.219 3.178 2.168 0.465 3 2008 0 7440 1.166 3.202 2.105 0.462 4 2008 0 7200 1.048 3.151 2.077 0.466 5 2008 0 7440 1.030 3.131 2.025 0.451 6 2008 0 7200 1.033 3.049 1.997 0.434 7 2008 0 7440 0.979 3.020 1.984 0.452 8 2008 0 7440 1.002 3.035 1.952 0.473 9 2008 0 7200 1.017 2.921 1.965 0.475 10 2008 0 7440 1.047 3.016 1.979 0.456 11 2008 0 7200 1.017 3.080 1.994 0.438 12 2008 0 7440 0.987 3.080 2.038 0.438 1 2009 6 7434 1.041 3.235 2.107 0.459 2 2009 0 6720 1.045 3.292 2.130 0.478 3 2009 10 7430 1.022 3.151 2.103 0.479 4 2009 10 7190 1.147 3.050 2.089 0.458 5 2009 10 7430 1.053 2.984 2.034 0.442 6 2009 0 7200 0.988 3.031 1.969 0.435 7 2009 104 7336 0.865 3.026 1.901 0.444 8 2009 0 7440 0.890 3.112 1.953 0.456 Totals 43311 1403409 Mean sea level = 2.004 (Average monthly means = 2.003) Maximum recorded level of 3.438 metres at 0530 hours 28/02/2006 Minimum recorded level of 0.527 metres at 1148 hours 27/02/1998 Standard deviation of the observations = 0.4743 metres Skewness = 0.0247