#Record of Sealevel(mm) #Location No 18 #Location Souma #TimeZone +09:00(JST) #Broken or No transmit data "-999" #No Year Sealevel(mm) Datum_constant(mm) Height_of_the_fixed_point(mm) 18 1973 -999 5000 2467 18 1974 2579 5000 2467 18 1975 2551 5000 2467 18 1976 2548 5000 2467 18 1977 2543 5000 2467 18 1978 2589 5000 2467 18 1979 2623 5000 2467 18 1980 2604 5000 2467 18 1981 2631 5000 2467 18 1982 2607 5000 2467 18 1983 2640 5000 2467 18 1984 2611 5000 2467 18 1985 2596 5000 2467 18 1986 2628 5000 2467 18 1987 2636 5000 2467 18 1988 2624 5000 2467 18 1989 2621 5000 2467 18 1990 2648 5000 2467 18 1991 2688 5000 2467 18 1992 2663 5000 2467 18 1993 2673 5000 2467 18 1994 2703 5000 2467 18 1995 2694 5000 2467 18 1996 2680 5000 2467 18 1997 2704 5000 2467 18 1998 2698 5000 2467 18 1999 2728 5000 2467 18 2000 2723 5000 2467 18 2001 2694 5000 2467 18 2002 2713 5000 2261 18 2003 2697 5000 2261 18 2004 2727 5000 2261 18 2005 2734 5000 2261 18 2006 2727 5000 2261 18 2007 2763 5000 2261 18 2008 2741 5000 2261 18 2009 2761 5000 2261 18 2010 2782 5000 2261 18 2011 -999 5000 2879 18 2012 2094 5000 2879 18 2013 2060 5000 2879 18 2014 2024 5000 2879 18 2015 -999 7000 3262 18 2016 3617 7000 3262 18 2017 3581 7000 3394 18 2018 3526 7000 3394 18 2019 3495 7000 3394 18 2020 3515 7000 3394 18 2021 3459 7000 3394 18 2022 3450 7000 3394 18 2023 3444 7000 3394 18 2024 3434 7000 3394 18 2025 3412 7000 3454