Frequency of Central Pacific El Nino events by Freund et al. 2019 Frequency of CP events reconstructed from corals Reconstructed using coral records described in Freund et. al (2019) Contact: Mandy Freund (freundm@unimelb.edu.au) CP Frequency given as the number of CP events centred in 30 year windows Freund, M. B., Henley, B. J., Karoly, D. J., McGregor, H. V., Abram, N. J. and Dommenget, D.: Higher Frequency of Central Pacific El Niņo events in recent decades relative to past centuries, Nature Geosci, doi:https://doi.org/10.1038/s41561-019-0353-3, n.d. Year CP_frequency 1600 NaN 1601 NaN 1602 NaN 1603 NaN 1604 NaN 1605 NaN 1606 NaN 1607 NaN 1608 NaN 1609 NaN 1610 NaN 1611 NaN 1612 NaN 1613 NaN 1614 NaN 1615 2.00 1616 2.00 1617 2.00 1618 2.00 1619 2.00 1620 2.00 1621 2.00 1622 2.00 1623 2.00 1624 2.00 1625 2.00 1626 3.00 1627 3.00 1628 3.00 1629 3.00 1630 3.00 1631 3.00 1632 3.00 1633 3.00 1634 2.00 1635 2.00 1636 1.00 1637 2.00 1638 2.00 1639 2.00 1640 2.00 1641 2.00 1642 3.00 1643 3.00 1644 3.00 1645 3.00 1646 3.00 1647 3.00 1648 3.00 1649 3.00 1650 3.00 1651 3.00 1652 4.00 1653 4.00 1654 4.00 1655 4.00 1656 4.00 1657 4.00 1658 4.00 1659 4.00 1660 4.00 1661 4.00 1662 5.00 1663 5.00 1664 5.00 1665 5.00 1666 5.00 1667 6.00 1668 5.00 1669 5.00 1670 5.00 1671 5.00 1672 5.00 1673 5.00 1674 5.00 1675 5.00 1676 5.00 1677 5.00 1678 6.00 1679 6.00 1680 6.00 1681 6.00 1682 6.00 1683 5.00 1684 5.00 1685 5.00 1686 5.00 1687 5.00 1688 4.00 1689 4.00 1690 4.00 1691 4.00 1692 4.00 1693 3.00 1694 3.00 1695 3.00 1696 3.00 1697 3.00 1698 2.00 1699 2.00 1700 2.00 1701 2.00 1702 2.00 1703 3.00 1704 2.00 1705 2.00 1706 2.00 1707 2.00 1708 2.00 1709 1.00 1710 1.00 1711 1.00 1712 1.00 1713 1.00 1714 1.00 1715 2.00 1716 2.00 1717 2.00 1718 3.00 1719 3.00 1720 3.00 1721 3.00 1722 3.00 1723 3.00 1724 3.00 1725 3.00 1726 3.00 1727 3.00 1728 3.00 1729 3.00 1730 3.00 1731 3.00 1732 3.00 1733 3.00 1734 2.00 1735 2.00 1736 2.00 1737 2.00 1738 2.00 1739 2.00 1740 2.00 1741 2.00 1742 2.00 1743 2.00 1744 3.00 1745 3.00 1746 2.00 1747 2.00 1748 2.00 1749 1.00 1750 1.00 1751 1.00 1752 1.00 1753 1.00 1754 2.00 1755 2.00 1756 2.00 1757 2.00 1758 2.00 1759 2.00 1760 3.00 1761 3.00 1762 3.00 1763 4.00 1764 5.00 1765 5.00 1766 6.00 1767 6.00 1768 6.00 1769 6.00 1770 6.00 1771 6.00 1772 6.00 1773 6.00 1774 6.00 1775 6.00 1776 6.00 1777 6.00 1778 6.00 1779 6.00 1780 6.00 1781 6.00 1782 6.00 1783 6.00 1784 7.00 1785 6.00 1786 7.00 1787 7.00 1788 7.00 1789 7.00 1790 7.00 1791 6.00 1792 6.00 1793 7.00 1794 6.00 1795 5.00 1796 5.00 1797 4.00 1798 4.00 1799 4.00 1800 4.00 1801 5.00 1802 5.00 1803 5.00 1804 5.00 1805 5.00 1806 4.00 1807 4.00 1808 4.00 1809 4.00 1810 4.00 1811 4.00 1812 4.00 1813 4.00 1814 4.00 1815 3.00 1816 3.00 1817 3.00 1818 3.00 1819 3.00 1820 3.00 1821 3.00 1822 3.00 1823 3.00 1824 2.00 1825 3.00 1826 3.00 1827 3.00 1828 3.00 1829 3.00 1830 3.00 1831 3.00 1832 2.00 1833 2.00 1834 2.00 1835 3.00 1836 3.00 1837 3.00 1838 4.00 1839 5.00 1840 5.00 1841 5.00 1842 5.00 1843 5.00 1844 5.00 1845 5.00 1846 5.00 1847 5.00 1848 4.00 1849 4.00 1850 4.00 1851 4.00 1852 4.00 1853 4.00 1854 4.00 1855 4.00 1856 3.00 1857 3.00 1858 4.00 1859 4.00 1860 4.00 1861 4.00 1862 4.00 1863 4.00 1864 4.00 1865 4.00 1866 3.00 1867 3.00 1868 3.00 1869 3.00 1870 3.00 1871 3.00 1872 3.00 1873 3.00 1874 3.00 1875 3.00 1876 3.00 1877 3.00 1878 3.00 1879 3.00 1880 4.00 1881 4.00 1882 4.00 1883 4.00 1884 4.00 1885 4.00 1886 4.00 1887 4.00 1888 4.00 1889 3.00 1890 4.00 1891 4.00 1892 4.00 1893 4.00 1894 4.00 1895 4.00 1896 4.00 1897 4.00 1898 5.00 1899 5.00 1900 4.00 1901 3.00 1902 3.00 1903 3.00 1904 4.00 1905 4.00 1906 4.00 1907 4.00 1908 5.00 1909 5.00 1910 5.00 1911 4.00 1912 4.00 1913 4.00 1914 5.00 1915 5.00 1916 5.00 1917 5.00 1918 5.00 1919 5.00 1920 5.00 1921 4.00 1922 4.00 1923 4.00 1924 4.00 1925 4.00 1926 4.00 1927 4.00 1928 4.00 1929 3.00 1930 3.00 1931 4.00 1932 4.00 1933 5.00 1934 5.00 1935 4.00 1936 4.00 1937 4.00 1938 4.00 1939 3.00 1940 3.00 1941 3.00 1942 3.00 1943 4.00 1944 4.00 1945 3.00 1946 3.00 1947 3.00 1948 3.00 1949 3.00 1950 3.00 1951 3.00 1952 3.00 1953 4.00 1954 5.00 1955 5.00 1956 5.00 1957 5.00 1958 5.00 1959 5.00 1960 5.00 1961 5.00 1962 5.00 1963 5.00 1964 5.00 1965 6.00 1966 6.00 1967 6.00 1968 6.00 1969 6.00 1970 6.00 1971 7.00 1972 8.00 1973 8.00 1974 7.00 1975 7.00 1976 8.00 1977 8.00 1978 9.00 1979 10.00 1980 10.00 1981 10.00 1982 10.00 1983 10.00 1984 9.00 1985 8.00 1986 8.00 1987 9.00 1988 9.00 1989 9.00 1990 9.00 1991 9.00 1992 9.00 1993 8.00 1994 8.00 1995 7.00 1996 6.00 1997 6.00 1998 6.00 1999 6.00 2000 NaN 2001 NaN 2002 NaN 2003 NaN 2004 NaN 2005 NaN 2006 NaN 2007 NaN 2008 NaN 2009 NaN 2010 NaN 2011 NaN 2012 NaN 2013 NaN 2014 NaN