This file contains the monthly mean baseline (background) methane (CH4) concentration measured at the Kennaook / Cape Grim Baseline Air Pollution Station (KCGBAPS), located near the north-west tip of Tasmania, Australia. KCGBAPS is funded and managed by the Australian Bureau of Meteorology, and the scientific program is jointly supervised with CSIRO Oceans & Atmosphere. Please acknowledge these two institutions if these data are used in publications or presentations. For more information on Kennaook / Cape Grim please see: http://www.csiro.au/greenhouse-gases/ https://www.csiro.au/en/Research/OandA/Areas/Assessing-our-climate/Greenhouse-gas-data http://www.bom.gov.au/inside/cgbaps/ The CH4 units are parts per billion in dry air (ppb). The most recent year of data is provided in this file on a provisional basis only. These data may be subject to further revision. CSIRO & the Bureau make every effort to produce the most accurate and precise measurements possible. However, they reserve the right to make corrections to the data based on recalibration of standard gases or for other reasons deemed scientifically justified. Please see the full terms & conditions at the end of this file. Release Date: June 2025 YYYY MM DD DATE CH4(ppb) SD(ppb) GR(ppm/yr) Source 1978 04 26 1978.3178 1479.00 0.70 NaN Kennaook / Cape Grim air archive 1978 07 07 1978.5151 1497.10 0.70 NaN Kennaook / Cape Grim air archive 1979 02 06 1979.1014 1495.10 1.80 NaN Kennaook / Cape Grim air archive 1980 09 03 1980.6749 1540.10 0.40 NaN Kennaook / Cape Grim air archive 1984 05 23 1984.3934 1590.90 0.50 NaN Kennaook / Cape Grim air archive 1984 08 15 1984.6202 1610.88 0.18 NaN flask 1984 09 15 1984.7049 1608.32 3.05 NaN flask 1984 10 15 1984.7869 1605.25 2.43 NaN flask 1984 11 15 1984.8716 1602.29 2.23 NaN flask 1984 12 15 1984.9536 1594.68 2.79 NaN flask 1985 01 15 1985.0384 1586.68 2.22 NaN flask 1985 02 15 1985.1233 1581.98 3.19 7.160 flask 1985 03 15 1985.2000 1582.55 2.78 11.189 flask 1985 04 15 1985.2849 1590.12 2.98 14.455 flask 1985 05 15 1985.3671 1598.09 1.88 13.113 flask 1985 06 15 1985.4521 1602.54 3.28 11.372 flask 1985 07 15 1985.5342 1610.49 4.35 13.535 flask 1985 08 15 1985.6192 1618.04 3.61 17.061 flask 1985 09 15 1985.7041 1619.51 1.89 17.218 flask 1985 10 15 1985.7863 1619.71 2.97 15.319 flask 1985 11 15 1985.8712 1615.40 3.27 14.813 flask 1985 12 15 1985.9534 1606.05 4.82 16.042 flask 1986 01 15 1986.0384 1600.21 1.75 15.660 flask 1986 02 15 1986.1233 1599.04 2.49 13.935 flask 1986 03 15 1986.2000 1599.77 2.65 13.913 flask 1986 04 15 1986.2849 1605.44 2.83 13.183 flask 1986 05 15 1986.3671 1612.90 2.74 14.199 flask 1986 06 15 1986.4521 1618.58 2.25 16.860 flask 1986 07 15 1986.5342 1626.15 3.26 15.073 flask 1986 08 15 1986.6192 1631.97 1.47 12.413 flask 1986 09 15 1986.7041 1633.42 1.57 12.788 flask 1986 10 15 1986.7863 1632.89 1.56 14.837 flask 1986 11 15 1986.8712 1629.60 2.33 16.192 flask 1986 12 15 1986.9534 1622.91 3.51 14.638 flask 1987 01 15 1987.0384 1615.28 2.48 13.310 flask 1987 02 15 1987.1233 1611.46 1.50 13.414 flask 1987 03 15 1987.2000 1612.55 1.93 13.107 flask 1987 04 15 1987.2849 1620.28 3.02 13.723 flask 1987 05 15 1987.3671 1629.09 4.02 14.272 flask 1987 06 15 1987.4521 1633.22 2.39 14.499 flask 1987 07 15 1987.5342 1639.46 3.17 14.520 flask 1987 08 15 1987.6192 1645.39 1.81 10.993 flask 1987 09 15 1987.7041 1646.53 1.54 9.957 flask 1987 10 15 1987.7863 1646.61 1.42 9.956 flask 1987 11 15 1987.8712 1643.87 3.93 7.954 flask 1987 12 15 1987.9534 1637.41 2.85 9.668 flask 1988 01 15 1988.0383 1629.80 3.11 10.609 flask 1988 02 15 1988.1230 1622.45 2.50 9.706 flask 1988 03 15 1988.2022 1622.51 3.43 11.422 flask 1988 04 15 1988.2869 1630.23 4.72 11.545 flask 1988 05 15 1988.3689 1637.05 2.58 8.156 flask 1988 06 15 1988.4536 1642.89 2.72 6.260 flask 1988 07 15 1988.5355 1650.07 2.12 11.833 flask 1988 08 15 1988.6202 1655.09 2.31 20.239 flask 1988 09 15 1988.7049 1657.95 2.08 17.887 flask 1988 10 15 1988.7869 1658.16 1.91 11.942 flask 1988 11 15 1988.8716 1652.03 3.96 12.889 flask 1988 12 15 1988.9536 1643.67 2.58 14.384 flask 1989 01 15 1989.0384 1641.64 2.94 13.873 flask 1989 02 15 1989.1233 1642.69 2.59 13.414 flask 1989 03 15 1989.2000 1640.40 2.14 11.336 flask 1989 04 15 1989.2849 1642.18 2.73 10.266 flask 1989 05 15 1989.3671 1649.94 3.98 12.559 flask 1989 06 15 1989.4521 1657.28 1.96 13.203 flask 1989 07 15 1989.5342 1663.94 2.78 7.112 flask 1989 08 15 1989.6192 1668.51 2.37 1.599 flask 1989 09 15 1989.7041 1669.29 1.95 4.888 flask 1989 10 15 1989.7863 1668.43 2.23 8.845 flask 1989 11 15 1989.8712 1664.59 2.59 9.359 flask 1989 12 15 1989.9534 1656.87 3.70 8.860 flask 1990 01 15 1990.0384 1648.75 2.50 7.213 flask 1990 02 15 1990.1233 1644.29 1.64 6.255 flask 1990 03 15 1990.2000 1645.29 1.66 7.084 flask 1990 04 15 1990.2849 1651.02 2.26 8.137 flask 1990 05 15 1990.3671 1659.29 2.92 9.244 flask 1990 06 15 1990.4521 1666.14 3.75 8.784 flask 1990 07 15 1990.5342 1671.15 2.05 7.089 flask 1990 08 15 1990.6192 1674.76 2.34 8.277 flask 1990 09 15 1990.7041 1676.37 2.46 9.036 flask 1990 10 15 1990.7863 1676.56 1.43 9.137 flask 1990 11 15 1990.8712 1673.83 2.24 10.130 flask 1990 12 15 1990.9534 1665.66 3.48 9.507 flask 1991 01 15 1991.0384 1655.84 2.45 10.052 flask 1991 02 15 1991.1233 1652.56 1.14 10.651 flask 1991 03 15 1991.2000 1654.32 1.53 12.152 flask 1991 04 15 1991.2849 1660.16 3.56 17.755 flask 1991 05 15 1991.3671 1669.42 4.68 17.140 flask 1991 06 15 1991.4521 1675.64 3.51 14.968 flask 1991 07 15 1991.5342 1681.20 2.38 19.096 flask 1991 08 15 1991.6192 1685.41 2.21 19.913 flask 1991 09 15 1991.7041 1688.52 2.20 18.488 flask 1991 10 15 1991.7863 1694.32 4.50 16.557 flask 1991 11 15 1991.8712 1690.97 3.49 13.258 flask 1991 12 15 1991.9534 1680.62 3.26 13.700 flask 1992 01 15 1992.0383 1674.93 2.97 14.656 flask 1992 02 15 1992.1230 1672.48 0.44 15.142 flask 1992 03 15 1992.2022 1672.81 1.73 13.363 flask 1992 04 15 1992.2869 1676.71 1.70 3.936 flask 1992 05 15 1992.3689 1682.68 2.32 1.469 flask 1992 06 15 1992.4536 1689.34 2.62 5.729 flask 1992 07 15 1992.5355 1695.86 2.53 1.833 flask 1992 08 15 1992.6202 1700.55 1.97 -1.236 flask 1992 09 15 1992.7049 1701.89 1.85 0.504 flask 1992 10 15 1992.7869 1698.25 2.33 2.476 flask 1992 11 15 1992.8716 1692.44 3.69 3.386 flask 1992 12 15 1992.9536 1686.35 2.65 2.188 flask 1993 01 15 1993.0384 1676.77 3.53 0.604 flask 1993 02 15 1993.1233 1671.24 1.63 0.461 flask 1993 03 15 1993.2000 1673.31 3.50 0.561 flask 1993 04 15 1993.2849 1679.19 2.63 2.851 flask 1993 05 15 1993.3671 1686.07 3.15 4.171 flask 1993 06 15 1993.4521 1691.53 1.74 3.333 flask 1993 07 15 1993.5342 1696.46 4.41 4.967 flask 1993 08 15 1993.6192 1701.01 1.79 4.817 flask 1993 09 15 1993.7041 1702.45 0.22 2.825 flask 1993 10 15 1993.7863 1701.10 2.35 2.322 flask 1993 11 15 1993.8712 1696.61 2.16 3.517 flask 1993 12 15 1993.9534 1689.69 2.88 5.598 flask 1994 01 15 1994.0384 1681.73 2.35 6.837 flask 1994 02 15 1994.1233 1676.06 2.47 5.776 flask 1994 03 15 1994.2000 1676.14 2.39 4.463 flask 1994 04 15 1994.2849 1681.51 3.10 6.656 flask 1994 05 15 1994.3671 1689.58 3.75 8.056 flask 1994 06 15 1994.4521 1697.13 3.24 6.962 flask 1994 07 15 1994.5342 1703.30 3.02 8.216 flask 1994 08 15 1994.6192 1706.79 2.52 9.733 flask 1994 09 15 1994.7041 1706.91 2.58 8.496 flask 1994 10 15 1994.7863 1707.76 1.27 6.945 flask 1994 11 15 1994.8712 1704.67 2.80 5.974 flask 1994 12 15 1994.9534 1696.65 3.27 4.258 flask 1995 01 15 1995.0384 1689.95 2.50 2.932 flask 1995 02 15 1995.1233 1685.79 1.14 4.994 flask 1995 03 15 1995.2000 1684.64 2.04 7.908 flask 1995 04 15 1995.2849 1688.46 2.10 6.025 flask 1995 05 15 1995.3671 1695.56 3.28 5.634 flask 1995 06 15 1995.4521 1701.39 3.28 6.349 flask 1995 07 15 1995.5342 1706.23 2.24 3.615 flask 1995 08 15 1995.6192 1711.78 2.05 1.097 flask 1995 09 15 1995.7041 1714.82 1.90 0.167 flask 1995 10 15 1995.7863 1713.79 2.41 1.654 flask 1995 11 15 1995.8712 1710.30 2.35 2.852 flask 1995 12 15 1995.9534 1703.00 3.46 2.330 flask 1996 01 15 1996.0383 1693.56 3.38 2.866 flask 1996 02 15 1996.1230 1686.89 2.52 2.892 flask 1996 03 15 1996.2022 1684.80 3.23 1.820 flask 1996 04 15 1996.2869 1690.11 3.13 1.234 flask 1996 05 15 1996.3689 1698.41 2.97 -0.297 flask 1996 06 15 1996.4536 1703.72 2.79 -0.645 flask 1996 07 15 1996.5355 1709.10 2.50 1.153 flask 1996 08 15 1996.6202 1714.68 2.64 4.536 flask 1996 09 15 1996.7049 1716.64 2.15 10.284 flask 1996 10 15 1996.7869 1715.02 2.05 10.004 flask 1996 11 15 1996.8716 1710.00 2.82 7.123 flask 1996 12 15 1996.9536 1702.35 3.08 8.681 flask 1997 01 15 1997.0384 1694.72 2.53 8.671 flask 1997 02 15 1997.1233 1691.43 1.63 7.688 flask 1997 03 15 1997.2000 1695.09 3.09 6.614 flask 1997 04 15 1997.2849 1700.12 2.77 5.460 flask 1997 05 15 1997.3671 1705.53 2.89 5.931 flask 1997 06 15 1997.4521 1712.40 2.03 8.477 flask 1997 07 15 1997.5342 1717.77 2.11 9.742 flask 1997 08 15 1997.6192 1722.36 1.82 7.379 flask 1997 09 15 1997.7041 1723.25 1.71 2.224 flask 1997 10 15 1997.7863 1720.48 2.13 0.712 flask 1997 11 15 1997.8712 1715.93 2.12 4.069 flask 1997 12 15 1997.9534 1710.83 2.37 5.968 flask 1998 01 15 1998.0384 1704.46 2.61 6.158 flask 1998 02 15 1998.1233 1698.80 1.86 6.604 flask 1998 03 15 1998.2000 1697.31 2.26 9.367 flask 1998 04 15 1998.2849 1700.83 3.01 12.050 flask 1998 05 15 1998.3671 1709.60 4.16 11.974 flask 1998 06 15 1998.4521 1718.36 2.43 9.753 flask 1998 07 15 1998.5342 1723.93 3.21 9.584 flask 1998 08 15 1998.6192 1728.97 1.74 10.920 flask 1998 09 15 1998.7041 1732.62 1.95 11.905 flask 1998 10 15 1998.7863 1732.53 1.08 13.534 flask 1998 11 15 1998.8712 1727.91 3.41 12.744 flask 1998 12 15 1998.9534 1720.58 3.03 11.520 flask 1999 01 15 1999.0384 1714.04 2.04 11.901 flask 1999 02 15 1999.1233 1709.72 1.95 10.042 flask 1999 03 15 1999.2000 1709.21 2.00 8.220 flask 1999 04 15 1999.2849 1714.36 2.71 8.768 flask 1999 05 15 1999.3671 1722.35 3.31 7.794 flask 1999 06 15 1999.4521 1729.89 2.71 5.766 flask 1999 07 15 1999.5342 1735.83 2.62 3.833 flask 1999 08 15 1999.6192 1739.01 2.10 2.171 flask 1999 09 15 1999.7041 1740.84 1.43 2.489 flask 1999 10 15 1999.7863 1741.30 1.93 3.601 flask 1999 11 15 1999.8712 1735.70 3.20 2.602 flask 1999 12 15 1999.9534 1726.35 3.22 2.122 flask 2000 01 15 2000.0383 1717.88 3.01 2.111 flask 2000 02 15 2000.1230 1711.90 1.95 0.823 flask 2000 03 15 2000.2022 1711.70 1.94 -0.301 flask 2000 04 15 2000.2869 1717.96 3.78 -1.015 flask 2000 05 15 2000.3689 1724.95 3.11 -0.188 flask 2000 06 15 2000.4536 1732.01 2.68 0.344 flask 2000 07 15 2000.5355 1737.94 2.57 -0.913 flask 2000 08 15 2000.6202 1739.83 1.52 -1.386 flask 2000 09 15 2000.7049 1740.54 1.75 -1.178 flask 2000 10 15 2000.7869 1740.28 1.68 -2.554 flask 2000 11 15 2000.8716 1735.51 3.89 -1.802 flask 2000 12 15 2000.9536 1726.69 3.63 -0.797 flask 2001 01 15 2001.0384 1716.96 2.98 -0.778 flask 2001 02 15 2001.1233 1710.51 1.48 0.397 flask 2001 03 15 2001.2000 1710.53 1.99 0.829 flask 2001 04 15 2001.2849 1715.41 2.31 -1.378 flask 2001 05 15 2001.3671 1723.15 2.62 -3.525 flask 2001 06 15 2001.4521 1731.21 3.21 -2.824 flask 2001 07 15 2001.5342 1737.16 1.71 -1.520 flask 2001 08 15 2001.6192 1740.23 1.80 0.562 flask 2001 09 15 2001.7041 1741.37 1.68 1.646 flask 2001 10 15 2001.7863 1738.90 2.30 1.857 flask 2001 11 15 2001.8712 1731.99 3.63 1.643 flask 2001 12 15 2001.9534 1723.87 3.87 1.329 flask 2002 01 15 2002.0384 1715.44 2.36 1.413 flask 2002 02 15 2002.1233 1711.07 1.06 1.510 flask 2002 03 15 2002.2000 1712.17 2.59 1.357 flask 2002 04 15 2002.2849 1717.27 2.06 2.839 flask 2002 05 15 2002.3671 1724.79 2.86 5.150 flask 2002 06 15 2002.4521 1732.54 2.98 4.643 flask 2002 07 15 2002.5342 1738.57 2.00 3.585 flask 2002 08 15 2002.6192 1741.74 2.14 1.781 flask 2002 09 15 2002.7041 1742.72 0.77 0.143 flask 2002 10 15 2002.7863 1741.74 1.74 1.160 flask 2002 11 15 2002.8712 1737.14 2.37 1.875 flask 2002 12 15 2002.9534 1728.51 3.36 -0.132 flask 2003 01 15 2003.0384 1719.03 2.69 -1.496 flask 2003 02 15 2003.1233 1712.85 1.66 0.060 flask 2003 03 15 2003.2000 1712.31 1.89 1.753 flask 2003 04 15 2003.2849 1718.43 2.67 0.574 flask 2003 05 15 2003.3671 1726.67 2.55 -1.207 flask 2003 06 15 2003.4521 1732.41 2.97 0.752 flask 2003 07 15 2003.5342 1737.08 1.78 2.017 flask 2003 08 15 2003.6192 1741.80 1.57 0.401 flask 2003 09 15 2003.7041 1744.48 1.64 -1.407 flask 2003 10 15 2003.7863 1742.32 2.12 -2.004 flask 2003 11 15 2003.8712 1735.93 2.95 -1.573 flask 2003 12 15 2003.9534 1729.26 3.04 -0.747 flask 2004 01 15 2004.0383 1721.05 2.79 1.232 flask 2004 02 15 2004.1230 1713.25 2.28 1.210 flask 2004 03 15 2004.2022 1710.91 2.77 -1.315 flask 2004 04 15 2004.2869 1716.42 3.35 -1.270 flask 2004 05 15 2004.3689 1725.09 2.98 -1.201 flask 2004 06 15 2004.4536 1731.66 2.84 -3.229 flask 2004 07 15 2004.5355 1738.31 2.76 -3.598 flask 2004 08 15 2004.6202 1743.01 2.06 -1.821 flask 2004 09 15 2004.7049 1743.16 1.91 0.664 flask 2004 10 15 2004.7869 1741.05 1.87 0.792 flask 2004 11 15 2004.8716 1734.73 2.86 0.258 flask 2004 12 15 2004.9536 1726.04 3.79 -0.712 flask 2005 01 15 2005.0384 1717.45 2.87 -3.211 flask 2005 02 15 2005.1233 1711.43 1.92 -2.714 flask 2005 03 15 2005.2000 1711.57 3.19 -1.332 flask 2005 04 15 2005.2849 1717.21 2.21 -0.779 flask 2005 05 15 2005.3671 1725.35 3.88 1.192 flask 2005 06 15 2005.4521 1730.95 1.34 1.968 flask 2005 07 15 2005.5342 1735.10 3.41 1.117 flask 2005 08 15 2005.6192 1740.30 1.87 0.522 flask 2005 09 15 2005.7041 1741.83 0.91 0.345 flask 2005 10 15 2005.7863 1740.27 3.69 0.050 flask 2005 11 15 2005.8712 1735.92 1.83 -2.093 flask 2005 12 15 2005.9534 1728.00 3.23 -1.459 flask 2006 01 15 2006.0384 1718.56 4.35 -0.257 flask 2006 02 15 2006.1233 1711.95 3.56 -2.396 flask 2006 03 15 2006.2000 1711.92 2.52 -1.583 flask 2006 04 15 2006.2849 1717.26 2.33 -0.197 flask 2006 05 15 2006.3671 1723.26 3.22 -0.191 flask 2006 06 15 2006.4521 1729.49 2.13 -0.231 flask 2006 07 15 2006.5342 1734.84 3.95 -0.403 flask 2006 08 15 2006.6192 1737.90 2.84 0.666 flask 2006 09 15 2006.7041 1740.25 1.75 2.003 flask 2006 10 15 2006.7863 1740.07 2.30 2.964 flask 2006 11 15 2006.8712 1735.73 3.93 4.795 flask 2006 12 15 2006.9534 1727.77 2.95 6.668 flask 2007 01 15 2007.0384 1718.16 2.64 7.605 flask 2007 02 15 2007.1233 1712.62 1.87 7.703 flask 2007 03 15 2007.2000 1713.92 2.35 8.204 flask 2007 04 15 2007.2849 1720.23 2.19 8.717 flask 2007 05 15 2007.3671 1728.05 2.85 8.313 flask 2007 06 15 2007.4521 1736.16 3.10 8.911 flask 2007 07 15 2007.5342 1742.45 2.57 11.256 flask 2007 08 15 2007.6192 1745.60 1.56 11.898 flask 2007 09 15 2007.7041 1748.45 2.03 11.984 flask 2007 10 15 2007.7863 1748.79 1.71 12.629 flask 2007 11 15 2007.8712 1744.05 2.37 10.046 flask 2007 12 15 2007.9534 1736.68 2.50 6.221 flask 2008 01 15 2008.0383 1729.42 2.76 7.991 flask 2008 02 15 2008.1230 1724.52 2.04 10.401 flask 2008 03 15 2008.2022 1725.90 3.53 7.433 flask 2008 04 15 2008.2869 1732.86 4.14 5.827 flask 2008 05 15 2008.3689 1738.10 1.69 5.182 flask 2008 06 15 2008.4536 1742.38 2.91 2.148 flask 2008 07 15 2008.5355 1750.44 3.39 1.135 flask 2008 08 15 2008.6202 1756.00 1.43 1.738 flask 2008 09 15 2008.7049 1755.89 2.20 0.777 flask 2008 10 15 2008.7869 1754.61 2.38 -0.561 flask 2008 11 15 2008.8716 1749.23 3.99 0.848 flask 2008 12 15 2008.9536 1738.83 3.56 3.573 flask 2009 01 15 2009.0384 1730.55 3.80 2.515 flask 2009 02 15 2009.1233 1726.26 0.74 2.290 flask 2009 03 15 2009.2000 1726.68 2.11 4.419 flask 2009 04 15 2009.2849 1732.30 2.45 4.568 flask 2009 05 15 2009.3671 1738.95 3.81 4.481 flask 2009 06 15 2009.4521 1745.95 4.15 4.578 flask 2009 07 15 2009.5342 1752.95 2.63 4.954 flask 2009 08 15 2009.6192 1758.29 1.59 5.841 flask 2009 09 15 2009.7041 1760.30 1.63 5.629 flask 2009 10 15 2009.7863 1759.18 1.61 4.429 flask 2009 11 15 2009.8712 1753.71 2.91 3.423 flask 2009 12 15 2009.9534 1743.41 3.67 5.752 flask 2010 01 15 2010.0384 1735.51 2.34 9.212 flask 2010 02 15 2010.1233 1732.10 1.17 7.682 flask 2010 03 15 2010.2000 1732.31 2.34 5.767 flask 2010 04 15 2010.2849 1736.72 1.60 6.338 flask 2010 05 15 2010.3671 1742.37 2.26 8.109 flask 2010 06 15 2010.4521 1751.70 3.95 10.992 flask 2010 07 15 2010.5342 1762.17 3.08 9.764 flask 2010 08 15 2010.6192 1765.98 1.39 7.738 flask 2010 09 15 2010.7041 1766.07 1.41 10.239 flask 2010 10 15 2010.7863 1765.52 1.10 13.386 flask 2010 11 15 2010.8712 1761.82 1.74 11.422 flask 2010 12 15 2010.9534 1754.40 3.35 6.429 flask 2011 01 15 2011.0384 1745.27 3.33 3.266 flask 2011 02 15 2011.1233 1739.83 1.00 4.469 flask 2011 03 15 2011.2000 1742.55 2.30 6.954 flask 2011 04 15 2011.2849 1750.11 1.83 7.022 flask 2011 05 15 2011.3671 1753.79 4.11 5.161 flask 2011 06 15 2011.4521 1758.13 2.29 3.436 flask 2011 07 15 2011.5342 1765.43 2.87 4.164 flask 2011 08 15 2011.6192 1770.44 1.19 4.226 flask 2011 09 15 2011.7041 1773.03 1.23 1.222 flask 2011 10 15 2011.7863 1772.54 1.40 0.055 flask 2011 11 15 2011.8712 1766.98 2.68 3.709 flask 2011 12 15 2011.9534 1757.84 2.82 5.610 flask 2012 01 15 2012.0383 1749.43 2.23 5.001 flask 2012 02 15 2012.1230 1744.06 2.14 5.123 flask 2012 03 15 2012.2022 1743.77 1.87 4.914 flask 2012 04 15 2012.2869 1750.17 2.74 4.052 flask 2012 05 15 2012.3689 1757.50 2.00 5.037 flask 2012 06 15 2012.4536 1763.74 2.13 5.763 flask 2012 07 15 2012.5355 1770.43 2.48 2.806 flask 2012 08 15 2012.6202 1775.57 1.70 3.235 flask 2012 09 15 2012.7049 1777.94 1.27 4.794 flask 2012 10 15 2012.7869 1776.59 1.34 3.131 flask 2012 11 15 2012.8716 1772.02 2.11 3.937 flask 2012 12 15 2012.9536 1763.60 3.34 6.241 flask 2013 01 15 2013.0384 1752.24 2.67 4.863 in situ 2013 02 15 2013.1233 1747.30 0.84 3.887 in situ 2013 03 15 2013.2000 1748.56 1.19 3.814 in situ 2013 04 15 2013.2849 1753.30 1.98 3.105 in situ 2013 05 15 2013.3671 1761.44 2.90 1.966 in situ 2013 06 15 2013.4521 1769.98 2.15 1.914 in situ 2013 07 15 2013.5342 1775.30 1.39 3.993 in situ 2013 08 15 2013.6192 1779.45 1.28 4.511 in situ 2013 09 15 2013.7041 1781.75 0.55 5.781 in situ 2013 10 15 2013.7863 1779.70 1.38 7.514 in situ 2013 11 15 2013.8712 1773.98 2.16 8.113 in situ 2013 12 15 2013.9534 1765.51 2.90 9.655 in situ 2014 01 15 2014.0384 1756.23 2.42 11.928 in situ 2014 02 15 2014.1233 1751.81 0.70 11.786 in situ 2014 03 15 2014.2000 1754.35 1.67 10.811 in situ 2014 04 15 2014.2849 1760.81 2.26 11.517 in situ 2014 05 15 2014.3671 1769.55 3.04 12.629 in situ 2014 06 15 2014.4521 1779.64 2.87 13.277 in situ 2014 07 15 2014.5342 1787.22 1.78 13.692 in situ 2014 08 15 2014.6192 1791.24 1.04 13.350 in situ 2014 09 15 2014.7041 1792.56 0.44 12.836 in situ 2014 10 15 2014.7863 1791.22 1.00 13.050 in situ 2014 11 15 2014.8712 1786.61 1.92 11.972 in situ 2014 12 15 2014.9534 1778.79 2.74 9.525 in situ 2015 01 15 2015.0384 1769.93 2.38 8.708 in situ 2015 02 15 2015.1233 1765.16 0.72 9.335 in situ 2015 03 15 2015.2000 1767.18 1.65 9.704 in situ 2015 04 15 2015.2849 1773.86 2.31 9.477 in situ 2015 05 15 2015.3671 1781.52 2.38 9.327 in situ 2015 06 15 2015.4521 1789.16 2.26 9.334 in situ 2015 07 15 2015.5342 1795.93 1.91 8.985 in situ 2015 08 15 2015.6192 1800.58 1.23 8.731 in situ 2015 09 15 2015.7041 1802.27 0.59 8.496 in situ 2015 10 15 2015.7863 1800.69 1.04 6.975 in situ 2015 11 15 2015.8712 1795.94 1.97 6.385 in situ 2015 12 15 2015.9534 1788.12 2.81 7.186 in situ 2016 01 15 2016.0383 1778.91 2.54 6.244 in situ 2016 02 15 2016.1229 1773.89 0.81 4.737 in situ 2016 03 15 2016.2022 1775.68 1.47 4.801 in situ 2016 04 15 2016.2869 1780.84 1.87 4.755 in situ 2016 05 15 2016.3689 1787.91 2.57 3.032 in situ 2016 06 15 2016.4535 1796.35 2.33 1.345 in situ 2016 07 15 2016.5355 1802.18 1.39 1.611 in situ 2016 08 15 2016.6202 1805.31 0.94 2.275 in situ 2016 09 15 2016.7049 1807.07 0.68 1.712 in situ 2016 10 15 2016.7869 1805.45 1.33 2.694 in situ 2016 11 15 2016.8716 1798.97 2.57 5.458 in situ 2016 12 15 2016.9535 1789.47 3.05 6.799 in situ 2017 01 15 2017.0384 1780.52 2.27 7.943 in situ 2017 02 15 2017.1233 1776.16 0.73 9.422 in situ 2017 03 15 2017.2000 1777.39 1.34 9.504 in situ 2017 04 15 2017.2849 1783.53 2.53 9.510 in situ 2017 05 15 2017.3671 1793.36 3.26 10.741 in situ 2017 06 15 2017.4521 1803.15 2.58 11.871 in situ 2017 07 15 2017.5342 1810.12 1.82 12.230 in situ 2017 08 15 2017.6192 1814.73 1.13 12.510 in situ 2017 09 15 2017.7041 1816.57 0.52 12.723 in situ 2017 10 15 2017.7863 1814.96 1.29 13.067 in situ 2017 11 15 2017.8712 1809.71 2.18 12.877 in situ 2017 12 15 2017.9534 1801.34 2.84 11.713 in situ 2018 01 15 2018.0384 1792.75 2.19 10.976 in situ 2018 02 15 2018.1233 1788.67 0.68 11.179 in situ 2018 03 15 2018.2000 1790.11 1.35 11.505 in situ 2018 04 15 2018.2849 1796.60 2.63 11.179 in situ 2018 05 15 2018.3671 1806.24 3.03 10.130 in situ 2018 06 15 2018.4521 1814.86 2.15 9.091 in situ 2018 07 15 2018.5342 1821.09 1.76 8.607 in situ 2018 08 15 2018.6192 1825.91 1.26 8.422 in situ 2018 09 15 2018.7041 1828.08 0.50 7.817 in situ 2018 10 15 2018.7863 1826.14 1.34 6.167 in situ 2018 11 15 2018.8712 1819.84 2.48 4.168 in situ 2018 12 15 2018.9534 1810.43 3.07 3.909 in situ 2019 01 15 2019.0384 1801.36 2.23 4.847 in situ 2019 02 15 2019.1233 1797.09 0.68 5.178 in situ 2019 03 15 2019.2000 1797.93 1.07 4.934 in situ 2019 04 15 2019.2849 1802.76 2.00 5.274 in situ 2019 05 15 2019.3671 1810.41 2.63 6.128 in situ 2019 06 15 2019.4521 1818.77 2.40 6.431 in situ 2019 07 15 2019.5342 1825.94 1.97 6.094 in situ 2019 08 15 2019.6192 1831.09 1.23 5.843 in situ 2019 09 15 2019.7041 1833.01 0.38 6.476 in situ 2019 10 15 2019.7863 1831.41 1.15 6.666 in situ 2019 11 15 2019.8712 1825.97 2.32 6.621 in situ 2019 12 15 2019.9534 1816.86 3.09 7.572 in situ 2020 01 15 2020.0383 1807.45 2.41 8.448 in situ 2020 02 15 2020.1229 1802.94 0.77 8.696 in situ 2020 03 15 2020.2022 1804.41 1.24 9.438 in situ 2020 04 15 2020.2869 1809.43 1.92 10.418 in situ 2020 05 15 2020.3689 1817.03 2.74 11.504 in situ 2020 06 15 2020.4535 1826.34 2.78 12.517 in situ 2020 07 15 2020.5355 1834.39 2.09 12.745 in situ 2020 08 15 2020.6202 1839.79 1.30 13.499 in situ 2020 09 15 2020.7049 1842.45 0.58 15.758 in situ 2020 10 15 2020.7869 1841.83 0.95 17.663 in situ 2020 11 15 2020.8716 1837.47 1.90 17.576 in situ 2020 12 15 2020.9535 1829.38 2.93 17.264 in situ 2021 01 15 2021.0384 1820.20 2.34 17.541 in situ 2021 02 15 2021.1233 1816.44 0.64 17.607 in situ 2021 03 15 2021.2000 1820.16 2.01 17.836 in situ 2021 04 15 2021.2849 1827.09 2.18 18.290 in situ 2021 05 15 2021.3671 1834.61 2.57 18.302 in situ 2021 06 15 2021.4521 1843.61 2.74 18.387 in situ 2021 07 15 2021.5342 1851.93 2.21 19.366 in situ 2021 08 15 2021.6192 1857.40 1.36 19.431 in situ 2021 09 15 2021.7041 1860.29 0.72 17.526 in situ 2021 10 15 2021.7863 1860.12 0.81 17.274 in situ 2021 11 15 2021.8712 1855.77 1.96 18.843 in situ 2021 12 15 2021.9534 1847.77 2.74 17.911 in situ 2022 01 15 2022.0384 1839.56 2.02 16.499 in situ 2022 02 15 2022.1233 1835.87 0.70 17.248 in situ 2022 03 15 2022.2000 1837.69 1.52 17.304 in situ 2022 04 15 2022.2849 1844.37 2.61 16.601 in situ 2022 05 15 2022.3671 1853.45 2.82 16.415 in situ 2022 06 15 2022.4521 1861.52 2.17 16.474 in situ 2022 07 15 2022.5342 1868.43 2.13 15.766 in situ 2022 08 15 2022.6192 1874.64 1.63 15.013 in situ 2022 09 15 2022.7041 1877.59 0.68 15.520 in situ 2022 10 15 2022.7863 1876.72 0.90 15.247 in situ 2022 11 15 2022.8712 1872.19 1.96 13.823 in situ 2022 12 15 2022.9534 1864.24 2.81 13.041 in situ 2023 01 15 2023.0384 1855.33 2.37 12.476 in situ 2023 02 15 2023.1233 1850.88 0.68 11.759 in situ 2023 03 15 2023.2000 1853.21 1.67 11.148 in situ 2023 04 15 2023.2849 1859.61 2.21 10.876 in situ 2023 05 15 2023.3671 1867.27 2.42 11.188 in situ 2023 06 15 2023.4521 1874.56 2.04 10.440 in situ 2023 07 15 2023.5342 1880.91 1.97 8.557 in situ 2023 08 15 2023.6192 1886.40 1.49 6.316 in situ 2023 09 15 2023.7041 1888.74 0.47 4.141 in situ 2023 10 15 2023.7863 1887.60 0.92 3.843 in situ 2023 11 15 2023.8712 1883.38 1.89 4.494 in situ 2023 12 15 2023.9534 1874.68 3.25 4.533 in situ 2024 01 15 2024.0383 1863.89 2.93 3.994 in situ 2024 02 15 2024.1229 1857.20 1.23 3.444 in situ 2024 03 15 2024.2022 1857.35 1.25 4.206 in situ 2024 04 15 2024.2869 1863.46 2.42 5.450 in situ 2024 05 15 2024.3689 1871.77 2.51 6.137 in situ 2024 06 15 2024.4535 1879.09 2.00 7.003 in situ 2024 07 15 2024.5355 1884.90 1.66 7.935 in situ 2024 08 15 2024.6202 1889.85 1.37 8.874 in situ 2024 09 15 2024.7049 1892.94 0.75 9.757 in situ 2024 10 15 2024.7869 1893.05 0.69 9.228 in situ 2024 11 15 2024.8716 1889.51 1.74 NaN in situ 2024 12 15 2024.9535 1881.68 2.93 NaN in situ 2025 01 15 2025.0384 1871.82 2.74 NaN in situ 2025 02 15 2025.1233 1866.07 0.88 NaN in situ 2025 03 15 2025.2000 1867.11 1.34 NaN in situ 2025 04 15 2025.2849 1872.69 2.28 NaN in situ Terms of Use 1. 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