*********************************************************************************************************** **** Source: E.J. Dlugokencky, P.M. Lang, and K.A. Masarie **** **** National Oceanic and Atmospheric Administration **** **** Boulder, Colorado 80303, U.S.A. **** **** **** **** L.P. Steele **** **** Commonwealth Scientific and Industrial Research Organisation **** **** Aspendale, Victoria 3195, Australia **** *********************************************************************************************************** POC000 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1640.11 POC000 1987 1644.20 1643.26 1645.41 1648.20 1642.39 1629.98 1623.64 1630.34 1635.70 1632.80 1633.85 1632.77 POC000 1988 1643.94 1667.97 1664.84 1651.17 1646.14 1645.06 1643.56 1640.26 1643.41 1650.71 1661.76 1669.40 POC000 1989 1674.08 1688.72 1694.08 1678.68 1659.27 1652.27 1661.30 1663.81 1654.24 1656.93 1663.82 1663.16 POC000 1990 1671.79 1683.57 1688.31 1674.62 1662.44 1660.73 1659.40 1667.55 1668.17 1661.26 1661.69 1668.99 POC000 1991 1676.33 1675.21 1671.87 1673.39 1670.56 1667.80 1669.91 1671.51 1675.14 1679.23 1690.64 1698.13 POC000 1992 1697.16 1708.19 1713.65 1693.70 1677.25 1675.47 1681.68 1686.82 1686.50 1682.27 1683.10 1689.24 POC000 1993 1690.58 1694.29 1705.76 1702.16 1680.05 1678.08 1685.92 1683.56 1688.41 1695.05 1693.17 1693.14 POCN05 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1651.34 POCN05 1987 1669.88 1670.65 1657.77 1653.14 1652.47 1645.72 1636.08 1634.97 1635.01 1633.20 1635.87 1644.20 POCN05 1988 1665.15 1691.16 1699.05 1673.46 1642.03 1638.94 1643.40 1643.83 1645.50 1652.07 1666.43 1671.93 POCN05 1989 1667.85 1679.57 1690.26 1682.56 1668.88 1658.71 1663.46 1665.99 1656.32 1659.58 1666.95 1667.47 POCN05 1990 1671.31 1688.78 1705.87 1701.69 1691.19 1672.47 1664.36 1672.68 1669.59 1664.89 1671.49 1676.12 POCN05 1991 1683.69 1687.89 1682.27 1686.86 1690.72 1686.91 1678.52 1677.45 1679.45 1682.28 1708.42 1725.78 POCN05 1992 1726.44 1728.67 1724.57 1715.13 1705.61 1693.24 1687.51 1687.18 1687.94 1689.17 1687.42 1689.16 POCN05 1993 1700.69 1708.37 1715.35 1723.48 1708.88 1688.79 1691.69 1692.48 1688.72 1705.40 1719.93 1708.04 POCN10 1987 1679.65 1681.21 1683.53 1676.16 1681.71 1675.94 1656.44 1652.11 1662.97 1673.05 1668.81 1674.61 POCN10 1988 1692.73 1701.90 1695.24 1689.78 1691.89 1676.49 1656.71 1651.97 1651.45 1662.31 1683.91 1698.19 POCN10 1989 1691.30 1691.01 1691.15 1683.41 1689.94 1684.57 1670.75 1667.99 1659.94 1674.66 1694.71 1695.04 POCN10 1990 1699.23 1702.47 1704.48 1703.62 1703.29 1693.90 1680.40 1676.67 1675.71 1674.56 1699.33 1729.43 POCN10 1991 1719.99 1714.50 1724.14 1728.66 1726.11 1713.18 1703.11 1694.61 1695.24 1714.92 1727.67 1734.12 POCN10 1992 1740.22 1738.04 1742.93 1735.72 1727.19 1725.55 1704.91 1690.72 1694.04 1711.29 1730.89 1732.88 POCN10 1993 1724.85 1733.44 1739.27 1735.43 1728.28 1716.15 1703.48 1691.63 1690.69 1709.45 1740.26 1748.57 POCN15 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1691.82 POCN15 1987 1693.77 1696.46 1707.34 1702.74 1682.56 1678.30 1677.49 1664.80 1668.91 1686.21 1692.60 1695.35 POCN15 1988 1698.78 1708.28 1705.90 1696.37 1698.48 1693.91 1680.22 1682.19 1694.65 1699.65 1702.41 1703.48 POCN15 1989 1705.58 1713.32 1705.04 1694.62 1707.14 1708.18 1694.02 1689.26 1700.03 1709.29 1699.91 1694.56 POCN15 1990 1702.01 1700.07 1709.81 1725.19 1726.86 1723.08 1703.67 1693.21 1717.59 1731.58 1730.59 1735.90 POCN15 1991 1728.30 1726.30 1737.79 1739.23 1736.04 1721.53 1702.26 1701.66 1721.68 1725.98 1720.52 1739.24 POCN15 1992 1755.58 1750.64 1747.26 1743.61 1744.19 1739.70 1723.21 1712.27 1707.16 1717.37 1739.57 1734.84 POCN15 1993 1726.94 1745.51 1749.96 1745.12 1743.61 1738.24 1725.16 1714.33 1710.42 1718.05 1751.23 1759.85 POCN20 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1708.70 POCN20 1987 1711.76 1703.36 1704.97 1703.47 1697.12 1696.91 1685.94 1670.36 1664.53 1673.78 1693.91 1717.39 POCN20 1988 1718.54 1716.24 1717.90 1717.86 1715.74 1702.36 1690.13 1692.92 1700.01 1699.87 1704.21 1704.88 POCN20 1989 1698.96 1698.56 1697.33 1700.47 1725.37 1730.72 1695.79 1680.82 1705.06 1710.73 1709.31 1721.95 POCN20 1990 1743.30 1734.17 1722.79 1731.82 1731.50 1726.85 1712.22 1699.21 1720.12 1737.93 1752.24 1756.12 POCN20 1991 1734.76 1731.34 1743.14 1747.87 1757.40 1745.39 1716.09 1716.28 1729.48 1732.78 1740.92 1759.67 POCN20 1992 1767.61 1760.46 1763.41 1768.27 1766.03 1757.59 1737.44 1722.58 1716.40 1724.46 1751.32 1757.67 POCN20 1993 1742.98 1743.15 1745.98 1749.63 1750.18 1737.78 1727.61 1740.86 1740.23 1731.88 1755.23 1764.78 POCN25 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1697.36 POCN25 1987 1703.59 1708.95 1702.55 1696.66 1702.33 1709.77 1702.17 1686.90 1698.46 1717.92 1716.92 1724.79 POCN25 1988 1729.78 1725.00 1731.33 1731.01 1726.07 1709.92 1698.39 1712.07 1732.67 1737.99 1736.54 1731.84 POCN25 1989 1709.21 1696.50 1713.02 1726.93 1736.62 1737.31 1709.89 1702.72 1728.98 1737.10 1734.97 1727.35 POCN25 1990 1713.90 1714.70 1731.80 1739.94 1732.95 1727.70 1711.10 1704.94 1729.78 1750.29 1755.42 1749.37 POCN25 1991 1735.80 1739.18 1745.14 1750.82 1763.54 1752.06 1726.44 1728.70 1742.24 1749.23 1752.77 1768.25 POCN25 1992 1781.66 1776.30 1774.97 1776.39 1766.30 1754.72 1742.70 1727.94 1737.52 1755.62 1761.75 1762.44 POCN25 1993 1750.88 1756.74 1770.73 1760.46 1749.91 1746.15 1736.26 1738.04 1752.51 1767.30 1782.89 1790.42 POCN30 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1706.37 POCN30 1987 1709.58 1709.64 1719.46 1726.69 1717.72 1710.92 1699.36 1696.42 1709.11 1709.69 1719.12 1742.62 POCN30 1988 1744.22 1725.52 1717.63 1718.47 1730.34 1739.02 1708.70 1697.26 1731.22 1739.54 1739.30 1744.35 POCN30 1989 1740.47 1739.57 1740.00 1733.07 1736.46 1738.85 1715.49 1709.94 1728.98 1739.87 1742.16 1742.40 POCN30 1990 1754.77 1759.84 1746.77 1742.99 1740.65 1733.90 1718.31 1712.52 1737.01 1751.67 1752.01 1758.59 POCN30 1991 1757.62 1767.84 1776.97 1769.47 1769.03 1756.76 1734.30 1738.05 1748.40 1761.43 1775.05 1784.96 POCN30 1992 1785.82 1776.55 1777.76 1781.34 1777.69 1768.41 1746.61 1738.23 1755.72 1769.56 1775.27 1783.00 POCN30 1993 1766.38 1762.60 1780.21 1772.37 1760.76 1756.53 1742.67 1749.78 1768.99 1771.05 1779.89 1792.09 POCS05 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1624.32 POCS05 1987 1627.90 1641.55 1638.47 1627.65 1632.24 1624.84 1621.23 1629.32 1629.73 1631.61 1644.33 1646.41 POCS05 1988 1647.60 1660.62 1656.65 1648.35 1640.81 1639.33 1645.20 1644.78 1645.56 1650.12 1662.44 1666.90 POCS05 1989 1656.30 1668.65 1681.74 1667.56 1652.07 1648.59 1651.14 1653.99 1651.33 1651.96 1659.91 1665.11 POCS05 1990 1670.23 1677.85 1685.48 1671.35 1656.12 1658.12 1656.89 1660.92 1662.99 1658.69 1662.07 1673.14 POCS05 1991 1675.83 1672.61 1669.23 1664.64 1662.38 1665.08 1670.12 1672.26 1671.75 1675.94 1695.09 1700.42 POCS05 1992 1690.88 1694.48 1686.71 1677.41 1675.45 1673.69 1679.81 1682.79 1682.30 1679.49 1675.42 1680.44 POCS05 1993 1692.03 1691.46 1683.77 1680.85 1676.92 1678.38 1683.99 1683.18 1682.48 1683.78 1683.73 1690.04 POCS10 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1628.27 POCS10 1987 1644.86 1642.51 1618.47 1610.61 1609.54 1614.59 1619.74 1622.17 1624.07 1624.84 1624.78 1624.71 POCS10 1988 1631.94 1635.99 1628.40 1626.61 1625.25 1628.73 1640.97 1652.73 1659.26 1659.08 1654.84 1654.36 POCS10 1989 1659.51 1650.42 1640.66 1645.11 1646.44 1643.92 1652.39 1654.00 1647.12 1648.66 1651.33 1653.07 POCS10 1990 1659.64 1665.44 1665.18 1650.76 1643.42 1652.40 1652.00 1653.49 1654.57 1653.17 1654.94 1660.83 POCS10 1991 1665.46 1663.49 1659.34 1658.86 1657.60 1657.93 1666.87 1670.30 1668.42 1670.96 1671.76 1671.83 POCS10 1992 1673.80 1673.62 1669.24 1665.20 1665.73 1669.12 1676.32 1677.38 1675.58 1675.21 1673.02 1672.93 POCS10 1993 1685.25 1692.50 1678.69 1668.68 1666.51 1672.01 1684.48 1683.54 1680.25 1684.45 1683.67 1680.99 POCS15 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1612.58 POCS15 1987 1614.71 1613.40 1604.25 1601.47 1610.84 1617.42 1620.69 1626.39 1626.49 1620.34 1612.42 1608.89 POCS15 1988 1615.95 1617.99 1611.17 1610.80 1617.21 1624.62 1633.78 1636.78 1634.51 1633.76 1631.35 1628.67 POCS15 1989 1638.22 1642.75 1635.61 1643.41 1649.54 1645.40 1648.94 1649.10 1644.74 1646.54 1640.87 1635.34 POCS15 1990 1642.18 1641.43 1633.93 1633.83 1637.44 1643.37 1652.08 1655.00 1652.67 1652.81 1651.16 1649.73 POCS15 1991 1656.48 1662.26 1654.85 1647.34 1653.96 1657.48 1660.07 1669.65 1673.54 1668.91 1664.25 1658.02 POCS15 1992 1659.52 1670.10 1665.11 1659.72 1666.39 1671.68 1674.84 1678.13 1675.39 1672.14 1671.03 1670.14 POCS15 1993 1678.13 1679.68 1671.01 1665.04 1666.81 1673.37 1680.28 1681.31 1678.17 1676.96 1671.14 1664.32 POCS20 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1608.29 POCS20 1987 1603.85 1601.79 1612.74 1609.96 1609.02 1618.06 1620.77 1624.05 1625.22 1621.63 1616.14 1612.84 POCS20 1988 1615.22 1616.41 1612.55 1613.21 1618.68 1623.33 1628.94 1636.12 1639.39 1637.79 1632.63 1626.92 POCS20 1989 1632.94 1641.52 1631.32 1626.85 1640.12 1646.22 1645.40 1646.90 1649.19 1649.11 1640.54 1636.51 POCS20 1990 1641.44 1645.32 1642.15 1636.13 1640.37 1648.05 1652.88 1654.90 1658.01 1656.85 1648.41 1649.88 POCS20 1991 1647.97 1641.91 1646.30 1647.87 1648.92 1655.61 1662.44 1666.14 1669.57 1670.33 1667.50 1661.98 POCS20 1992 1655.24 1657.72 1663.32 1662.32 1665.04 1673.76 1678.22 1677.53 1676.58 1677.35 1673.83 1663.22 POCS20 1993 1655.64 1655.63 1660.49 1663.61 1667.97 1674.47 1678.00 1681.06 1683.96 1682.54 1674.91 1671.62 POCS25 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1599.31 POCS25 1987 1598.04 1595.81 1596.32 1605.55 1614.66 1617.21 1619.01 1624.23 1626.48 1624.48 1617.35 1609.07 POCS25 1988 1611.15 1614.43 1609.96 1610.98 1615.50 1621.60 1631.01 1635.91 1634.85 1633.76 1627.09 1618.07 POCS25 1989 1619.13 1622.78 1618.69 1624.86 1639.06 1643.05 1645.58 1650.74 1650.96 1646.82 1643.59 1637.41 POCS25 1990 1631.77 1636.17 1636.63 1635.17 1639.73 1644.79 1651.90 1656.74 1656.58 1655.60 1651.18 1643.40 POCS25 1991 1638.37 1639.76 1642.12 1643.43 1649.47 1654.95 1660.31 1667.06 1671.43 1671.10 1665.82 1659.95 POCS25 1992 1655.34 1653.17 1655.59 1662.39 1666.93 1673.06 1679.81 1680.27 1679.56 1679.07 1672.50 1661.68 POCS25 1993 1660.10 1660.27 1656.16 1661.24 1668.54 1672.43 1677.46 1681.94 1682.38 1681.45 1677.48 1666.70 POCS30 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1602.03 POCS30 1987 1597.05 1593.16 1594.86 1601.89 1612.74 1622.77 1624.69 1623.58 1625.77 1628.30 1626.18 1616.69 POCS30 1988 1607.68 1602.69 1599.71 1603.95 1615.98 1624.19 1632.34 1640.83 1641.43 1640.05 1636.52 1628.40 POCS30 1989 1619.64 1616.14 1617.95 1623.45 1633.90 1642.80 1647.58 1651.23 1650.59 1646.43 1645.59 1640.04 POCS30 1990 1630.88 1628.50 1629.92 1633.83 1638.30 1645.32 1656.69 1660.22 1657.06 1656.34 1651.74 1643.04 POCS30 1991 1637.18 1633.82 1632.95 1640.39 1651.51 1656.35 1660.80 1666.77 1668.95 1670.01 1670.10 1665.90 POCS30 1992 1656.24 1652.57 1654.52 1660.28 1668.25 1673.43 1679.40 1682.78 1682.22 1679.10 1672.81 1662.06 POCS30 1993 1655.38 1656.16 1658.91 1662.88 1666.98 1672.42 1679.41 1682.71 1682.10 1680.54 1676.49 1666.00 POCS35 1986 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1603.27 POCS35 1987 1596.44 1593.15 1595.72 1602.46 1614.73 1623.28 1623.81 1626.74 1630.67 1631.21 1630.79 1622.94 POCS35 1988 1608.92 1602.86 1602.58 1606.01 1616.41 1622.95 1628.17 1638.08 1639.91 1639.42 1639.86 1631.98 POCS35 1989 1621.03 1618.67 1627.03 1634.71 1635.25 1637.89 1645.94 1649.64 1645.03 1644.77 1647.07 1639.12 POCS35 1990 1627.45 1623.94 1627.98 1632.98 1638.25 1647.04 1655.19 1658.64 1658.02 1660.07 1659.73 1648.89 POCS35 1991 1638.55 1638.03 1638.44 1641.80 1652.02 1660.71 1663.21 1668.11 1672.97 1671.74 1672.09 1669.89 POCS35 1992 1659.01 1655.83 1657.42 1659.46 1665.86 1672.06 1678.30 1685.53 1686.48 1683.71 1685.96 1673.83 POCS35 1993 1656.45 1653.76 1658.49 1665.16 1670.44 1674.89 1679.00 1681.77 -999.99 -999.99 -999.99 -999.99 SCSN03 1991 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1677.97 1681.80 1694.38 1738.03 1759.06 1736.58 SCSN03 1992 1736.60 1738.81 1732.35 1725.10 1715.66 1697.74 1691.38 1701.73 1699.50 1716.40 1753.94 1745.67 SCSN03 1993 1746.56 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 SCSN06 1991 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1680.51 1682.31 1695.69 1738.80 1763.47 1751.20 SCSN06 1992 1750.63 1743.80 1733.58 1721.93 1706.05 1693.93 1692.75 1701.15 1701.59 1732.67 1767.01 1752.47 SCSN06 1993 1753.91 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 SCSN09 1991 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1690.61 1690.24 1695.33 1738.91 1767.84 1756.08 SCSN09 1992 1757.85 1750.92 1731.78 1721.91 1706.51 1691.80 1697.65 1705.49 1714.05 1740.76 1761.05 1755.33 SCSN09 1993 1754.76 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 SCSN12 1991 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1710.72 1717.64 1741.07 1770.28 1766.19 1759.44 SCSN12 1992 1770.43 1758.52 1733.29 1721.43 1708.30 1695.69 1700.51 1715.23 1738.12 1770.12 1778.80 1762.81 SCSN12 1993 1773.13 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 SCSN15 1991 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1703.57 1711.95 1731.46 1774.02 1773.69 1754.84 SCSN15 1992 1767.19 1761.33 1734.48 1719.80 1705.66 1695.97 1700.80 1715.18 1749.72 1780.38 1775.92 1767.43 SCSN15 1993 1778.92 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 SCSN18 1991 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1695.06 1726.47 1760.23 1785.62 1786.86 1759.50 SCSN18 1992 1771.43 1779.21 1741.03 1720.79 1718.04 1702.50 1700.30 1715.12 1756.87 1787.31 1780.89 1777.35 SCSN18 1993 1790.10 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 SCSN21 1991 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 1683.25 1738.16 1807.15 1818.96 1802.66 1781.52 SCSN21 1992 1792.23 1795.07 1770.55 1759.94 1765.03 1729.00 1696.64 1716.10 1761.39 1794.91 1788.30 1773.34 SCSN21 1993 1790.81 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99 -999.99