Monthly sea levels for THURSDAY ISLAND -------------------------------------- Mth Year Gaps Good Minimum Maximum Mean St Devn 1 2015 7440 0 2 2015 6720 0 3 2015 7440 0 4 2015 6978 222 1.007 2.360 1.781 0.391 5 2015 0 7440 0.432 3.014 1.842 0.527 6 2015 0 7200 0.547 3.208 1.797 0.561 7 2015 0 7440 0.496 3.136 1.722 0.579 8 2015 0 7440 0.423 3.157 1.721 0.558 9 2015 0 7200 0.349 3.069 1.748 0.526 10 2015 0 7440 0.298 2.903 1.751 0.534 11 2015 0 7200 0.351 3.161 1.818 0.599 12 2015 0 7440 0.511 3.615 1.931 0.634 1 2016 0 7440 0.682 3.426 1.885 0.611 2 2016 0 6960 0.623 3.472 1.948 0.580 3 2016 0 7440 0.660 3.605 1.991 0.542 4 2016 0 7200 0.436 3.210 1.949 0.538 5 2016 0 7440 0.492 3.007 1.894 0.562 6 2016 0 7200 0.618 3.260 1.874 0.568 7 2016 0 7440 0.603 3.386 1.831 0.580 8 2016 0 7440 0.407 3.385 1.853 0.566 9 2016 0 7200 0.379 3.208 1.893 0.525 10 2016 0 7440 0.275 3.074 1.934 0.520 11 2016 0 7200 0.467 3.137 1.952 0.588 12 2016 0 7440 0.655 3.495 1.989 0.638 1 2017 0 7440 0.817 3.648 2.003 0.646 2 2017 0 6720 0.759 3.767 2.042 0.602 3 2017 0 7440 0.611 3.617 2.030 0.535 4 2017 0 7200 0.438 3.344 2.034 0.545 5 2017 0 7440 0.366 3.210 1.900 0.581 6 2017 0 7200 0.534 3.372 1.849 0.572 7 2017 0 7440 0.591 3.481 1.834 0.569 8 2017 0 7440 0.443 3.373 1.827 0.554 9 2017 0 7200 0.298 3.268 1.843 0.538 10 2017 0 7440 0.325 3.268 1.918 0.547 11 2017 0 7200 0.316 3.112 1.982 0.581 12 2017 0 7440 0.476 3.407 1.991 0.634 1 2018 0 7440 0.746 4.018 2.062 0.671 2 2018 0 6720 0.571 3.782 2.047 0.616 3 2018 0 7440 0.507 3.591 2.095 0.574 4 2018 0 7200 0.278 3.136 2.009 0.540 5 2018 2453 4987 0.598 2.927 1.884 0.534 6 2018 7200 0 7 2018 1108 6332 0.647 3.408 1.802 0.595 8 2018 0 7440 0.495 3.479 1.807 0.555 9 2018 0 7200 0.375 3.355 1.807 0.534 10 2018 0 7440 0.225 3.291 1.830 0.574 11 2018 0 7200 0.263 3.074 1.887 0.615 12 2018 0 7440 0.420 3.504 2.000 0.651 1 2019 0 7440 0.790 3.714 2.040 0.662 2 2019 504 6216 0.521 3.702 1.962 0.593 3 2019 0 7440 0.499 3.680 2.031 0.598 4 2019 0 7200 0.402 3.414 1.992 0.555 5 2019 0 7440 0.386 3.149 1.917 0.560 6 2019 0 7200 0.481 3.069 1.844 0.572 7 2019 0 7440 0.553 3.338 1.791 0.606 8 2019 0 7440 0.336 3.336 1.776 0.599 9 2019 0 7200 0.277 3.335 1.792 0.562 10 2019 0 7440 0.267 3.224 1.834 0.560 11 2019 0 7200 0.270 3.010 1.866 0.620 12 2019 0 7440 0.413 3.350 1.907 0.664 1 2020 0 7440 0.806 3.477 1.979 0.644 2 2020 0 6960 0.628 3.687 2.001 0.619 3 2020 0 7440 0.465 3.679 2.030 0.590 4 2020 0 7200 0.385 3.450 1.966 0.595 5 2020 0 7440 0.401 3.176 1.905 0.598 6 2020 0 7200 0.472 3.191 1.871 0.597 7 2020 0 7440 0.580 3.261 1.850 0.605 8 2020 0 7440 0.494 3.329 1.842 0.618 9 2020 0 7200 0.308 3.386 1.912 0.579 10 2020 0 7440 0.272 3.276 1.945 0.578 11 2020 0 7200 0.423 3.157 1.959 0.624 12 2020 0 7440 0.532 3.560 2.026 0.683 1 2021 0 7440 0.787 3.801 2.079 0.691 2 2021 0 6720 0.648 3.805 2.106 0.656 3 2021 0 7440 0.494 3.682 2.065 0.595 4 2021 0 7200 0.363 3.483 2.038 0.595 5 2021 0 7440 0.343 3.246 1.935 0.623 6 2021 0 7200 0.442 3.467 1.877 0.626 7 2021 0 7440 0.565 3.586 1.912 0.607 8 2021 0 7440 0.446 3.558 1.895 0.594 9 2021 0 7200 0.324 3.454 1.941 0.594 10 2021 0 7440 0.230 3.408 1.951 0.613 11 2021 0 7200 0.326 3.255 2.018 0.638 12 2021 0 7440 0.534 3.587 2.107 0.679 1 2022 0 7440 0.677 3.877 2.063 0.717 2 2022 0 6720 0.632 3.973 2.088 0.665 3 2022 0 7440 0.407 3.866 2.078 0.637 4 2022 0 7200 0.350 3.474 2.072 0.598 5 2022 0 7440 0.330 3.176 2.004 0.609 6 2022 0 7200 0.679 3.497 1.967 0.637 7 2022 0 7440 0.478 3.562 1.926 0.633 8 2022 36 7404 0.471 3.702 1.911 0.604 9 2022 0 7200 0.364 3.664 1.966 0.587 10 2022 0 7440 0.353 3.503 2.042 0.627 11 2022 177 7023 0.156 3.317 1.918 0.674 12 2022 0 7440 0.502 3.799 2.106 0.690 1 2023 0 7440 0.656 4.016 2.087 0.712 2 2023 0 6720 0.547 3.983 2.144 0.671 3 2023 1 7439 0.341 3.812 2.084 0.652 4 2023 512 6688 0.288 3.539 2.038 0.626 5 2023 0 7440 0.377 3.286 2.001 0.592 6 2023 1 7199 0.480 3.326 1.906 0.623 7 2023 2 7438 0.466 3.552 1.878 0.651 8 2023 3 7437 0.339 3.624 1.847 0.655 9 2023 5 7195 0.245 3.492 1.865 0.614 10 2023 0 7440 0.238 3.289 1.883 0.605 11 2023 0 7200 0.253 3.151 1.885 0.659 12 2023 2 7438 0.577 3.479 1.967 0.693 1 2024 4 7436 0.737 3.801 2.044 0.694 2 2024 2 6958 0.478 3.824 2.022 0.672 3 2024 8 7432 0.490 3.805 2.099 0.634 4 2024 2 7198 0.380 3.642 2.060 0.640 5 2024 2 7438 0.440 3.305 1.962 0.640 6 2024 1 7199 0.506 3.275 1.869 0.632 7 2024 169 7271 0.491 3.402 1.859 0.655 8 2024 86 7354 0.308 3.475 1.874 0.659 9 2024 0 7200 0.210 3.501 1.906 0.622 10 2024 0 7440 0.236 3.376 1.933 0.608 11 2024 0 7200 0.425 3.300 1.981 0.652 12 2024 0 7440 0.692 3.680 2.058 0.714 1 2025 0 7440 0.735 3.895 2.067 0.725 2 2025 0 6720 0.710 3.973 2.098 0.682 3 2025 0 7440 0.409 3.725 2.143 0.626 4 2025 0 7200 0.240 3.578 2.136 0.638 5 2025 0 7440 0.453 3.487 2.018 0.660 6 2025 0 7200 0.570 3.675 1.971 0.648 7 2025 0 7440 0.478 3.697 1.939 0.629 8 2025 0 7440 0.342 3.537 1.895 0.614 9 2025 0 7200 0.276 3.474 1.943 0.618 10 2025 0 7440 0.262 3.362 2.000 0.643 Totals 40856 908824 Mean sea level = 1.947 (Average monthly means = 1.946) Maximum recorded level of 4.018 metres at 0048 hours 30/01/2018 Minimum recorded level of 0.156 metres at 1812 hours 01/11/2022 Standard deviation of the observations = 0.6211 metres Skewness = 0.1357