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: July 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 1610.85 0.18 NaN flask 1984 09 15 1984.7049 1608.33 3.05 NaN flask 1984 10 15 1984.7869 1605.25 2.43 NaN flask 1984 11 15 1984.8716 1602.28 2.22 NaN flask 1984 12 15 1984.9536 1594.69 2.79 NaN flask 1985 01 15 1985.0384 1586.66 2.23 NaN flask 1985 02 15 1985.1233 1581.98 3.19 7.165 flask 1985 03 15 1985.2000 1582.57 2.78 11.192 flask 1985 04 15 1985.2849 1590.10 2.97 14.453 flask 1985 05 15 1985.3671 1598.08 1.90 13.116 flask 1985 06 15 1985.4521 1602.58 3.28 11.374 flask 1985 07 15 1985.5342 1610.48 4.34 13.537 flask 1985 08 15 1985.6192 1618.01 3.61 17.060 flask 1985 09 15 1985.7041 1619.52 1.88 17.217 flask 1985 10 15 1985.7863 1619.70 2.97 15.316 flask 1985 11 15 1985.8712 1615.39 3.26 14.803 flask 1985 12 15 1985.9534 1606.07 4.82 16.031 flask 1986 01 15 1986.0384 1600.20 1.75 15.654 flask 1986 02 15 1986.1233 1599.04 2.49 13.943 flask 1986 03 15 1986.2000 1599.79 2.65 13.916 flask 1986 04 15 1986.2849 1605.42 2.82 13.176 flask 1986 05 15 1986.3671 1612.88 2.75 14.194 flask 1986 06 15 1986.4521 1618.61 2.25 16.859 flask 1986 07 15 1986.5342 1626.14 3.25 15.071 flask 1986 08 15 1986.6192 1631.95 1.48 12.415 flask 1986 09 15 1986.7041 1633.44 1.57 12.780 flask 1986 10 15 1986.7863 1632.88 1.57 14.825 flask 1986 11 15 1986.8712 1629.59 2.33 16.199 flask 1986 12 15 1986.9534 1622.93 3.51 14.642 flask 1987 01 15 1987.0384 1615.27 2.48 13.311 flask 1987 02 15 1987.1233 1611.46 1.49 13.416 flask 1987 03 15 1987.2000 1612.56 1.92 13.107 flask 1987 04 15 1987.2849 1620.24 3.01 13.729 flask 1987 05 15 1987.3671 1629.08 4.04 14.276 flask 1987 06 15 1987.4521 1633.25 2.39 14.497 flask 1987 07 15 1987.5342 1639.45 3.16 14.520 flask 1987 08 15 1987.6192 1645.37 1.82 10.993 flask 1987 09 15 1987.7041 1646.55 1.54 9.963 flask 1987 10 15 1987.7863 1646.61 1.43 9.966 flask 1987 11 15 1987.8712 1643.86 3.93 7.956 flask 1987 12 15 1987.9534 1637.42 2.85 9.669 flask 1988 01 15 1988.0383 1629.79 3.11 10.608 flask 1988 02 15 1988.1230 1622.45 2.49 9.706 flask 1988 03 15 1988.2022 1622.53 3.42 11.422 flask 1988 04 15 1988.2869 1630.21 4.72 11.544 flask 1988 05 15 1988.3689 1637.03 2.59 8.158 flask 1988 06 15 1988.4536 1642.92 2.72 6.261 flask 1988 07 15 1988.5355 1650.06 2.10 11.831 flask 1988 08 15 1988.6202 1655.08 2.33 20.240 flask 1988 09 15 1988.7049 1657.97 2.08 17.891 flask 1988 10 15 1988.7869 1658.15 1.91 11.934 flask 1988 11 15 1988.8716 1652.02 3.95 12.884 flask 1988 12 15 1988.9536 1643.68 2.58 14.409 flask 1989 01 15 1989.0384 1641.62 2.94 13.885 flask 1989 02 15 1989.1233 1642.69 2.57 13.406 flask 1989 03 15 1989.2000 1640.42 2.14 11.337 flask 1989 04 15 1989.2849 1642.14 2.72 10.266 flask 1989 05 15 1989.3671 1649.92 4.02 12.559 flask 1989 06 15 1989.4521 1657.33 1.97 13.202 flask 1989 07 15 1989.5342 1663.94 2.76 7.114 flask 1989 08 15 1989.6192 1668.48 2.36 1.597 flask 1989 09 15 1989.7041 1669.31 1.95 4.882 flask 1989 10 15 1989.7863 1668.42 2.23 8.857 flask 1989 11 15 1989.8712 1664.58 2.59 9.368 flask 1989 12 15 1989.9534 1656.89 3.70 8.831 flask 1990 01 15 1990.0384 1648.74 2.51 7.200 flask 1990 02 15 1990.1233 1644.29 1.65 6.265 flask 1990 03 15 1990.2000 1645.30 1.65 7.084 flask 1990 04 15 1990.2849 1651.00 2.25 8.136 flask 1990 05 15 1990.3671 1659.29 2.93 9.244 flask 1990 06 15 1990.4521 1666.16 3.75 8.780 flask 1990 07 15 1990.5342 1671.14 2.04 7.080 flask 1990 08 15 1990.6192 1674.75 2.35 8.274 flask 1990 09 15 1990.7041 1676.39 2.46 9.040 flask 1990 10 15 1990.7863 1676.55 1.43 9.143 flask 1990 11 15 1990.8712 1673.82 2.23 10.136 flask 1990 12 15 1990.9534 1665.67 3.48 9.510 flask 1991 01 15 1991.0384 1655.82 2.45 10.053 flask 1991 02 15 1991.1233 1652.56 1.15 10.651 flask 1991 03 15 1991.2000 1654.34 1.53 12.151 flask 1991 04 15 1991.2849 1660.14 3.56 17.754 flask 1991 05 15 1991.3671 1669.42 4.68 17.138 flask 1991 06 15 1991.4521 1675.67 3.51 14.969 flask 1991 07 15 1991.5342 1681.19 2.37 19.102 flask 1991 08 15 1991.6192 1685.40 2.21 19.928 flask 1991 09 15 1991.7041 1688.54 2.20 18.498 flask 1991 10 15 1991.7863 1694.31 4.50 16.548 flask 1991 11 15 1991.8712 1690.96 3.47 13.251 flask 1991 12 15 1991.9534 1680.64 3.26 13.712 flask 1992 01 15 1992.0383 1674.92 2.97 14.664 flask 1992 02 15 1992.1230 1672.49 0.43 15.136 flask 1992 03 15 1992.2022 1672.84 1.73 13.354 flask 1992 04 15 1992.2869 1676.69 1.69 3.932 flask 1992 05 15 1992.3689 1682.67 2.33 1.472 flask 1992 06 15 1992.4536 1689.38 2.62 5.733 flask 1992 07 15 1992.5355 1695.86 2.52 1.834 flask 1992 08 15 1992.6202 1700.54 1.97 -1.249 flask 1992 09 15 1992.7049 1701.90 1.85 0.492 flask 1992 10 15 1992.7869 1698.24 2.33 2.486 flask 1992 11 15 1992.8716 1692.44 3.67 3.393 flask 1992 12 15 1992.9536 1686.37 2.65 2.178 flask 1993 01 15 1993.0384 1676.75 3.54 0.599 flask 1993 02 15 1993.1233 1671.24 1.62 0.468 flask 1993 03 15 1993.2000 1673.33 3.50 0.576 flask 1993 04 15 1993.2849 1679.17 2.62 2.856 flask 1993 05 15 1993.3671 1686.07 3.16 4.179 flask 1993 06 15 1993.4521 1691.56 1.74 3.313 flask 1993 07 15 1993.5342 1696.46 4.41 5.005 flask 1993 08 15 1993.6192 1701.00 1.80 4.854 flask 1993 09 15 1993.7041 1702.47 0.22 2.421 flask 1993 10 15 1993.7863 1701.10 2.35 2.209 flask 1993 11 15 1993.8712 1696.61 2.15 3.986 flask 1993 12 15 1993.9534 1689.68 2.89 5.711 flask 1994 01 15 1994.0384 1681.76 2.30 6.790 flask 1994 02 15 1994.1233 1676.09 2.51 5.772 flask 1994 03 15 1994.2000 1675.75 2.29 4.516 flask 1994 04 15 1994.2849 1681.38 3.34 6.850 flask 1994 05 15 1994.3671 1690.05 4.03 8.092 flask 1994 06 15 1994.4521 1697.27 3.10 6.870 flask 1994 07 15 1994.5342 1703.25 3.03 8.114 flask 1994 08 15 1994.6192 1706.78 2.52 9.695 flask 1994 09 15 1994.7041 1706.99 2.57 9.035 flask 1994 10 15 1994.7863 1707.95 1.28 7.211 flask 1994 11 15 1994.8712 1704.71 2.84 5.507 flask 1994 12 15 1994.9534 1696.55 3.28 4.134 flask 1995 01 15 1995.0384 1689.87 2.49 2.981 flask 1995 02 15 1995.1233 1685.79 1.11 4.996 flask 1995 03 15 1995.2000 1684.79 2.06 7.851 flask 1995 04 15 1995.2849 1688.59 2.05 5.831 flask 1995 05 15 1995.3671 1695.56 3.27 5.590 flask 1995 06 15 1995.4521 1701.41 3.28 6.460 flask 1995 07 15 1995.5342 1706.23 2.22 3.681 flask 1995 08 15 1995.6192 1711.77 2.06 1.102 flask 1995 09 15 1995.7041 1714.84 1.91 0.031 flask 1995 10 15 1995.7863 1713.78 2.42 1.498 flask 1995 11 15 1995.8712 1710.30 2.34 2.850 flask 1995 12 15 1995.9534 1703.01 3.46 2.337 flask 1996 01 15 1996.0383 1693.55 3.38 2.859 flask 1996 02 15 1996.1230 1686.89 2.52 2.895 flask 1996 03 15 1996.2022 1684.82 3.23 1.819 flask 1996 04 15 1996.2869 1690.09 3.12 1.234 flask 1996 05 15 1996.3689 1698.41 2.98 -0.297 flask 1996 06 15 1996.4536 1703.74 2.79 -0.646 flask 1996 07 15 1996.5355 1709.09 2.50 1.152 flask 1996 08 15 1996.6202 1714.67 2.65 4.534 flask 1996 09 15 1996.7049 1716.66 2.15 10.284 flask 1996 10 15 1996.7869 1715.01 2.06 10.003 flask 1996 11 15 1996.8716 1710.00 2.81 7.125 flask 1996 12 15 1996.9536 1702.36 3.08 8.687 flask 1997 01 15 1997.0384 1694.70 2.53 8.673 flask 1997 02 15 1997.1233 1691.43 1.63 7.688 flask 1997 03 15 1997.2000 1695.10 3.09 6.615 flask 1997 04 15 1997.2849 1700.09 2.77 5.459 flask 1997 05 15 1997.3671 1705.53 2.91 5.931 flask 1997 06 15 1997.4521 1712.43 2.02 8.477 flask 1997 07 15 1997.5342 1717.76 2.10 9.741 flask 1997 08 15 1997.6192 1722.35 1.82 7.381 flask 1997 09 15 1997.7041 1723.27 1.70 2.223 flask 1997 10 15 1997.7863 1720.47 2.14 0.703 flask 1997 11 15 1997.8712 1715.93 2.12 4.065 flask 1997 12 15 1997.9534 1710.84 2.37 5.966 flask 1998 01 15 1998.0384 1704.44 2.62 6.149 flask 1998 02 15 1998.1233 1698.81 1.85 6.592 flask 1998 03 15 1998.2000 1697.32 2.26 9.363 flask 1998 04 15 1998.2849 1700.80 3.01 12.050 flask 1998 05 15 1998.3671 1709.60 4.17 11.974 flask 1998 06 15 1998.4521 1718.40 2.43 9.754 flask 1998 07 15 1998.5342 1723.91 3.21 9.584 flask 1998 08 15 1998.6192 1728.95 1.74 10.917 flask 1998 09 15 1998.7041 1732.64 1.95 11.906 flask 1998 10 15 1998.7863 1732.52 1.08 13.544 flask 1998 11 15 1998.8712 1727.90 3.40 12.745 flask 1998 12 15 1998.9534 1720.60 3.03 11.514 flask 1999 01 15 1999.0384 1714.03 2.04 11.907 flask 1999 02 15 1999.1233 1709.72 1.95 10.055 flask 1999 03 15 1999.2000 1709.23 2.00 8.223 flask 1999 04 15 1999.2849 1714.34 2.70 8.768 flask 1999 05 15 1999.3671 1722.34 3.33 7.794 flask 1999 06 15 1999.4521 1729.91 2.70 5.764 flask 1999 07 15 1999.5342 1735.81 2.61 3.831 flask 1999 08 15 1999.6192 1739.00 2.10 2.174 flask 1999 09 15 1999.7041 1740.86 1.44 2.489 flask 1999 10 15 1999.7863 1741.29 1.93 3.597 flask 1999 11 15 1999.8712 1735.70 3.20 2.601 flask 1999 12 15 1999.9534 1726.36 3.23 2.122 flask 2000 01 15 2000.0383 1717.86 3.01 2.110 flask 2000 02 15 2000.1230 1711.90 1.95 0.821 flask 2000 03 15 2000.2022 1711.72 1.94 -0.303 flask 2000 04 15 2000.2869 1717.94 3.78 -1.016 flask 2000 05 15 2000.3689 1724.94 3.12 -0.188 flask 2000 06 15 2000.4536 1732.03 2.68 0.345 flask 2000 07 15 2000.5355 1737.93 2.56 -0.910 flask 2000 08 15 2000.6202 1739.82 1.52 -1.384 flask 2000 09 15 2000.7049 1740.56 1.76 -1.176 flask 2000 10 15 2000.7869 1740.27 1.69 -2.553 flask 2000 11 15 2000.8716 1735.51 3.90 -1.801 flask 2000 12 15 2000.9536 1726.70 3.64 -0.795 flask 2001 01 15 2001.0384 1716.95 2.99 -0.776 flask 2001 02 15 2001.1233 1710.51 1.47 0.400 flask 2001 03 15 2001.2000 1710.54 1.99 0.830 flask 2001 04 15 2001.2849 1715.39 2.30 -1.379 flask 2001 05 15 2001.3671 1723.14 2.63 -3.524 flask 2001 06 15 2001.4521 1731.24 3.21 -2.823 flask 2001 07 15 2001.5342 1737.15 1.70 -1.522 flask 2001 08 15 2001.6192 1740.22 1.81 0.560 flask 2001 09 15 2001.7041 1741.39 1.69 1.640 flask 2001 10 15 2001.7863 1738.89 2.30 1.849 flask 2001 11 15 2001.8712 1731.99 3.62 1.643 flask 2001 12 15 2001.9534 1723.88 3.87 1.327 flask 2002 01 15 2002.0384 1715.43 2.36 1.405 flask 2002 02 15 2002.1233 1711.07 1.06 1.505 flask 2002 03 15 2002.2000 1712.18 2.58 1.358 flask 2002 04 15 2002.2849 1717.23 2.06 2.840 flask 2002 05 15 2002.3671 1724.79 2.88 5.149 flask 2002 06 15 2002.4521 1732.56 2.97 4.642 flask 2002 07 15 2002.5342 1738.55 1.99 3.587 flask 2002 08 15 2002.6192 1741.73 2.15 1.780 flask 2002 09 15 2002.7041 1742.74 0.77 0.145 flask 2002 10 15 2002.7863 1741.73 1.74 1.167 flask 2002 11 15 2002.8712 1737.14 2.36 1.875 flask 2002 12 15 2002.9534 1728.52 3.37 -0.131 flask 2003 01 15 2003.0384 1719.02 2.70 -1.493 flask 2003 02 15 2003.1233 1712.85 1.65 0.058 flask 2003 03 15 2003.2000 1712.33 1.88 1.752 flask 2003 04 15 2003.2849 1718.40 2.66 0.574 flask 2003 05 15 2003.3671 1726.66 2.56 -1.207 flask 2003 06 15 2003.4521 1732.43 2.97 0.751 flask 2003 07 15 2003.5342 1737.06 1.77 2.015 flask 2003 08 15 2003.6192 1741.79 1.58 0.402 flask 2003 09 15 2003.7041 1744.49 1.64 -1.407 flask 2003 10 15 2003.7863 1742.31 2.13 -2.005 flask 2003 11 15 2003.8712 1735.93 2.94 -1.572 flask 2003 12 15 2003.9534 1729.28 3.05 -0.749 flask 2004 01 15 2004.0383 1721.03 2.79 1.234 flask 2004 02 15 2004.1230 1713.26 2.27 1.215 flask 2004 03 15 2004.2022 1710.92 2.77 -1.317 flask 2004 04 15 2004.2869 1716.40 3.34 -1.271 flask 2004 05 15 2004.3689 1725.09 2.99 -1.195 flask 2004 06 15 2004.4536 1731.68 2.84 -3.224 flask 2004 07 15 2004.5355 1738.30 2.75 -3.598 flask 2004 08 15 2004.6202 1743.00 2.06 -1.818 flask 2004 09 15 2004.7049 1743.18 1.91 0.650 flask 2004 10 15 2004.7869 1741.04 1.87 0.768 flask 2004 11 15 2004.8716 1734.73 2.85 0.256 flask 2004 12 15 2004.9536 1726.05 3.80 -0.703 flask 2005 01 15 2005.0384 1717.43 2.87 -3.214 flask 2005 02 15 2005.1233 1711.44 1.92 -2.723 flask 2005 03 15 2005.2000 1711.57 3.18 -1.333 flask 2005 04 15 2005.2849 1717.17 2.21 -0.776 flask 2005 05 15 2005.3671 1725.35 3.90 1.190 flask 2005 06 15 2005.4521 1730.98 1.33 1.965 flask 2005 07 15 2005.5342 1735.08 3.40 1.116 flask 2005 08 15 2005.6192 1740.28 1.88 0.521 flask 2005 09 15 2005.7041 1741.84 0.91 0.360 flask 2005 10 15 2005.7863 1740.26 3.69 0.073 flask 2005 11 15 2005.8712 1735.92 1.82 -2.077 flask 2005 12 15 2005.9534 1728.02 3.23 -1.455 flask 2006 01 15 2006.0384 1718.55 4.36 -0.270 flask 2006 02 15 2006.1233 1711.96 3.55 -2.394 flask 2006 03 15 2006.2000 1711.93 2.50 -1.576 flask 2006 04 15 2006.2849 1717.24 2.32 -0.200 flask 2006 05 15 2006.3671 1723.27 3.24 -0.192 flask 2006 06 15 2006.4521 1729.53 2.11 -0.234 flask 2006 07 15 2006.5342 1734.81 3.95 -0.402 flask 2006 08 15 2006.6192 1737.88 2.84 0.676 flask 2006 09 15 2006.7041 1740.27 1.75 1.992 flask 2006 10 15 2006.7863 1740.06 2.31 2.918 flask 2006 11 15 2006.8712 1735.73 3.92 4.762 flask 2006 12 15 2006.9534 1727.78 2.96 6.662 flask 2007 01 15 2007.0384 1718.15 2.64 7.619 flask 2007 02 15 2007.1233 1712.64 1.87 7.713 flask 2007 03 15 2007.2000 1713.92 2.32 8.202 flask 2007 04 15 2007.2849 1720.16 2.18 8.717 flask 2007 05 15 2007.3671 1728.03 2.89 8.313 flask 2007 06 15 2007.4521 1736.19 3.10 8.907 flask 2007 07 15 2007.5342 1742.43 2.56 11.242 flask 2007 08 15 2007.6192 1745.60 1.58 11.887 flask 2007 09 15 2007.7041 1748.47 2.02 11.997 flask 2007 10 15 2007.7863 1748.78 1.71 12.675 flask 2007 11 15 2007.8712 1744.04 2.36 10.081 flask 2007 12 15 2007.9534 1736.69 2.51 6.228 flask 2008 01 15 2008.0383 1729.39 2.76 7.991 flask 2008 02 15 2008.1230 1724.52 2.03 10.401 flask 2008 03 15 2008.2022 1725.92 3.51 7.432 flask 2008 04 15 2008.2869 1732.83 4.14 5.827 flask 2008 05 15 2008.3689 1738.11 1.69 5.183 flask 2008 06 15 2008.4536 1742.42 2.90 2.151 flask 2008 07 15 2008.5355 1750.42 3.38 1.150 flask 2008 08 15 2008.6202 1756.00 1.44 1.750 flask 2008 09 15 2008.7049 1755.90 2.20 0.780 flask 2008 10 15 2008.7869 1754.60 2.38 -0.561 flask 2008 11 15 2008.8716 1749.23 3.99 0.839 flask 2008 12 15 2008.9536 1738.84 3.56 3.565 flask 2009 01 15 2009.0384 1730.54 3.80 2.510 flask 2009 02 15 2009.1233 1726.27 0.72 2.284 flask 2009 03 15 2009.2000 1726.70 2.11 4.419 flask 2009 04 15 2009.2849 1732.27 2.44 4.567 flask 2009 05 15 2009.3671 1738.95 3.82 4.480 flask 2009 06 15 2009.4521 1745.98 4.16 4.580 flask 2009 07 15 2009.5342 1752.93 2.62 4.953 flask 2009 08 15 2009.6192 1758.28 1.60 5.838 flask 2009 09 15 2009.7041 1760.32 1.63 5.621 flask 2009 10 15 2009.7863 1759.17 1.61 4.421 flask 2009 11 15 2009.8712 1753.71 2.91 3.433 flask 2009 12 15 2009.9534 1743.42 3.67 5.767 flask 2010 01 15 2010.0384 1735.49 2.34 9.222 flask 2010 02 15 2010.1233 1732.11 1.16 7.688 flask 2010 03 15 2010.2000 1732.32 2.34 5.765 flask 2010 04 15 2010.2849 1736.69 1.60 6.338 flask 2010 05 15 2010.3671 1742.38 2.28 8.111 flask 2010 06 15 2010.4521 1751.75 3.94 10.991 flask 2010 07 15 2010.5342 1762.15 3.07 9.762 flask 2010 08 15 2010.6192 1765.97 1.39 7.739 flask 2010 09 15 2010.7041 1766.09 1.41 10.200 flask 2010 10 15 2010.7863 1765.51 1.11 13.323 flask 2010 11 15 2010.8712 1761.82 1.73 11.413 flask 2010 12 15 2010.9534 1754.41 3.36 6.433 flask 2011 01 15 2011.0384 1745.25 3.33 3.216 flask 2011 02 15 2011.1233 1739.85 1.00 4.416 flask 2011 03 15 2011.2000 1742.52 2.27 6.952 flask 2011 04 15 2011.2849 1750.01 1.83 7.026 flask 2011 05 15 2011.3671 1753.80 4.12 5.157 flask 2011 06 15 2011.4521 1758.18 2.27 3.438 flask 2011 07 15 2011.5342 1765.37 2.84 4.161 flask 2011 08 15 2011.6192 1770.39 1.22 4.219 flask 2011 09 15 2011.7041 1773.04 1.23 1.246 flask 2011 10 15 2011.7863 1772.54 1.41 0.095 flask 2011 11 15 2011.8712 1766.97 2.66 3.704 flask 2011 12 15 2011.9534 1757.85 2.83 5.595 flask 2012 01 15 2012.0383 1749.41 2.23 5.042 flask 2012 02 15 2012.1230 1744.07 2.13 5.174 flask 2012 03 15 2012.2022 1743.77 1.84 4.918 flask 2012 04 15 2012.2869 1750.11 2.74 4.049 flask 2012 05 15 2012.3689 1757.50 2.03 5.041 flask 2012 06 15 2012.4536 1763.78 2.12 5.765 flask 2012 07 15 2012.5355 1770.41 2.47 2.932 flask 2012 08 15 2012.6202 1775.56 1.71 3.348 flask 2012 09 15 2012.7049 1777.96 1.28 4.752 flask 2012 10 15 2012.7869 1776.58 1.34 3.198 flask 2012 11 15 2012.8716 1772.02 2.11 4.008 flask 2012 12 15 2012.9536 1763.61 3.34 6.122 flask 2013 01 15 2013.0384 1752.35 2.62 4.815 in situ 2013 02 15 2013.1233 1747.42 0.81 3.918 in situ 2013 03 15 2013.2000 1748.52 1.17 3.724 in situ 2013 04 15 2013.2849 1753.31 2.03 3.083 in situ 2013 05 15 2013.3671 1761.51 2.88 2.004 in situ 2013 06 15 2013.4521 1769.90 2.11 1.876 in situ 2013 07 15 2013.5342 1775.23 1.43 3.880 in situ 2013 08 15 2013.6192 1779.48 1.27 4.421 in situ 2013 09 15 2013.7041 1781.68 0.54 5.798 in situ 2013 10 15 2013.7863 1779.67 1.35 7.508 in situ 2013 11 15 2013.8712 1774.02 2.16 8.098 in situ 2013 12 15 2013.9534 1765.49 2.92 9.710 in situ 2014 01 15 2014.0384 1756.23 2.40 11.992 in situ 2014 02 15 2014.1233 1751.84 0.70 11.834 in situ 2014 03 15 2014.2000 1754.32 1.66 10.873 in situ 2014 04 15 2014.2849 1760.81 2.29 11.534 in situ 2014 05 15 2014.3671 1769.61 3.02 12.625 in situ 2014 06 15 2014.4521 1779.61 2.84 13.266 in situ 2014 07 15 2014.5342 1787.22 1.80 13.669 in situ 2014 08 15 2014.6192 1791.31 1.00 13.344 in situ 2014 09 15 2014.7041 1792.55 0.44 12.797 in situ 2014 10 15 2014.7863 1791.20 0.98 12.981 in situ 2014 11 15 2014.8712 1786.65 1.92 11.947 in situ 2014 12 15 2014.9534 1778.76 2.77 9.521 in situ 2015 01 15 2015.0384 1769.90 2.36 8.682 in situ 2015 02 15 2015.1233 1765.18 0.72 9.305 in situ 2015 03 15 2015.2000 1767.11 1.62 9.687 in situ 2015 04 15 2015.2849 1773.80 2.33 9.465 in situ 2015 05 15 2015.3671 1781.55 2.38 9.329 in situ 2015 06 15 2015.4521 1789.13 2.22 9.335 in situ 2015 07 15 2015.5342 1795.90 1.93 9.069 in situ 2015 08 15 2015.6192 1800.62 1.23 8.939 in situ 2015 09 15 2015.7041 1802.24 0.59 8.564 in situ 2015 10 15 2015.7863 1800.67 1.01 7.033 in situ 2015 11 15 2015.8712 1795.97 1.97 6.462 in situ 2015 12 15 2015.9534 1788.09 2.83 6.685 in situ 2016 01 15 2016.0383 1778.96 2.46 5.686 in situ 2016 02 15 2016.1229 1774.12 0.78 4.731 in situ 2016 03 15 2016.2022 1775.68 1.39 4.847 in situ 2016 04 15 2016.2869 1780.83 1.94 4.741 in situ 2016 05 15 2016.3689 1788.02 2.49 3.030 in situ 2016 06 15 2016.4535 1795.81 2.13 1.359 in situ 2016 07 15 2016.5355 1801.59 1.53 1.557 in situ 2016 08 15 2016.6202 1805.35 1.03 2.074 in situ 2016 09 15 2016.7049 1807.09 0.64 1.680 in situ 2016 10 15 2016.7869 1805.41 1.30 2.700 in situ 2016 11 15 2016.8716 1799.00 2.58 5.396 in situ 2016 12 15 2016.9535 1789.45 3.07 7.283 in situ 2017 01 15 2017.0384 1780.52 2.24 8.510 in situ 2017 02 15 2017.1233 1776.19 0.75 9.457 in situ 2017 03 15 2017.2000 1777.36 1.33 9.469 in situ 2017 04 15 2017.2849 1783.53 2.57 9.549 in situ 2017 05 15 2017.3671 1793.41 3.25 10.765 in situ 2017 06 15 2017.4521 1803.10 2.56 11.856 in situ 2017 07 15 2017.5342 1810.10 1.86 12.207 in situ 2017 08 15 2017.6192 1814.80 1.14 12.515 in situ 2017 09 15 2017.7041 1816.56 0.52 12.721 in situ 2017 10 15 2017.7863 1814.96 1.27 13.062 in situ 2017 11 15 2017.8712 1809.77 2.18 12.881 in situ 2017 12 15 2017.9534 1801.31 2.87 11.680 in situ 2018 01 15 2018.0384 1792.73 2.16 10.909 in situ 2018 02 15 2018.1233 1788.71 0.68 11.144 in situ 2018 03 15 2018.2000 1790.08 1.33 11.505 in situ 2018 04 15 2018.2849 1796.59 2.65 11.164 in situ 2018 05 15 2018.3671 1806.29 3.01 10.100 in situ 2018 06 15 2018.4521 1814.78 2.11 9.103 in situ 2018 07 15 2018.5342 1821.01 1.80 8.644 in situ 2018 08 15 2018.6192 1825.95 1.27 8.429 in situ 2018 09 15 2018.7041 1828.06 0.50 7.796 in situ 2018 10 15 2018.7863 1826.12 1.32 6.254 in situ 2018 11 15 2018.8712 1819.87 2.49 4.192 in situ 2018 12 15 2018.9534 1810.41 3.08 3.648 in situ 2019 01 15 2019.0384 1801.37 2.20 4.698 in situ 2019 02 15 2019.1233 1797.14 0.70 5.209 in situ 2019 03 15 2019.2000 1797.88 1.08 4.930 in situ 2019 04 15 2019.2849 1802.84 2.06 5.280 in situ 2019 05 15 2019.3671 1810.48 2.53 6.132 in situ 2019 06 15 2019.4521 1818.43 2.31 6.395 in situ 2019 07 15 2019.5342 1825.70 2.09 6.046 in situ 2019 08 15 2019.6192 1831.16 1.25 5.819 in situ 2019 09 15 2019.7041 1832.99 0.37 6.484 in situ 2019 10 15 2019.7863 1831.40 1.12 6.585 in situ 2019 11 15 2019.8712 1826.00 2.33 6.588 in situ 2019 12 15 2019.9534 1816.80 3.12 7.857 in situ 2020 01 15 2020.0383 1807.42 2.37 8.667 in situ 2020 02 15 2020.1229 1802.96 0.77 8.675 in situ 2020 03 15 2020.2022 1804.36 1.23 9.336 in situ 2020 04 15 2020.2869 1809.43 1.95 10.324 in situ 2020 05 15 2020.3689 1817.07 2.73 11.488 in situ 2020 06 15 2020.4535 1826.28 2.76 12.536 in situ 2020 07 15 2020.5355 1834.37 2.12 12.776 in situ 2020 08 15 2020.6202 1839.83 1.28 13.509 in situ 2020 09 15 2020.7049 1842.33 0.55 15.757 in situ 2020 10 15 2020.7869 1841.72 0.90 17.662 in situ 2020 11 15 2020.8716 1837.49 1.89 17.601 in situ 2020 12 15 2020.9535 1829.34 2.95 17.289 in situ 2021 01 15 2021.0384 1820.19 2.32 17.523 in situ 2021 02 15 2021.1233 1816.47 0.63 17.602 in situ 2021 03 15 2021.2000 1820.12 2.00 17.941 in situ 2021 04 15 2021.2849 1827.09 2.22 18.384 in situ 2021 05 15 2021.3671 1834.67 2.56 18.313 in situ 2021 06 15 2021.4521 1843.57 2.72 18.407 in situ 2021 07 15 2021.5342 1851.89 2.25 19.376 in situ 2021 08 15 2021.6192 1857.43 1.36 19.424 in situ 2021 09 15 2021.7041 1860.27 0.70 17.508 in situ 2021 10 15 2021.7863 1860.11 0.80 17.308 in situ 2021 11 15 2021.8712 1855.80 1.96 18.942 in situ 2021 12 15 2021.9534 1847.75 2.75 17.948 in situ 2022 01 15 2022.0384 1839.57 1.99 16.568 in situ 2022 02 15 2022.1233 1835.89 0.71 17.391 in situ 2022 03 15 2022.2000 1837.62 1.51 17.327 in situ 2022 04 15 2022.2849 1844.40 2.66 16.597 in situ 2022 05 15 2022.3671 1853.62 2.79 16.422 in situ 2022 06 15 2022.4521 1861.52 2.13 16.216 in situ 2022 07 15 2022.5342 1868.46 2.19 15.502 in situ 2022 08 15 2022.6192 1874.82 1.62 15.028 in situ 2022 09 15 2022.7041 1877.60 0.66 15.574 in situ 2022 10 15 2022.7863 1876.70 0.85 15.203 in situ 2022 11 15 2022.8712 1872.22 2.00 13.680 in situ 2022 12 15 2022.9534 1863.96 2.87 12.996 in situ 2023 01 15 2023.0384 1855.07 2.28 12.539 in situ 2023 02 15 2023.1233 1850.92 0.66 11.701 in situ 2023 03 15 2023.2000 1853.20 1.64 11.114 in situ 2023 04 15 2023.2849 1859.60 2.24 10.880 in situ 2023 05 15 2023.3671 1867.30 2.40 11.182 in situ 2023 06 15 2023.4521 1874.52 2.04 10.681 in situ 2023 07 15 2023.5342 1881.00 2.01 8.807 in situ 2023 08 15 2023.6192 1886.53 1.46 6.310 in situ 2023 09 15 2023.7041 1888.71 0.45 4.104 in situ 2023 10 15 2023.7863 1887.58 0.90 3.848 in situ 2023 11 15 2023.8712 1883.41 1.90 4.512 in situ 2023 12 15 2023.9534 1874.64 3.26 4.493 in situ 2024 01 15 2024.0383 1863.88 2.91 3.860 in situ 2024 02 15 2024.1229 1857.23 1.24 3.377 in situ 2024 03 15 2024.2022 1857.30 1.23 4.215 in situ 2024 04 15 2024.2869 1863.45 2.45 5.450 in situ 2024 05 15 2024.3689 1871.81 2.49 6.136 in situ 2024 06 15 2024.4535 1879.01 1.98 7.009 in situ 2024 07 15 2024.5355 1884.86 1.71 7.944 in situ 2024 08 15 2024.6202 1889.90 1.36 8.846 in situ 2024 09 15 2024.7049 1892.93 0.74 9.845 in situ 2024 10 15 2024.7869 1893.04 0.67 9.378 in situ 2024 11 15 2024.8716 1889.54 1.75 8.229 in situ 2024 12 15 2024.9535 1881.65 2.94 8.376 in situ 2025 01 15 2025.0384 1871.82 2.72 NaN in situ 2025 02 15 2025.1233 1866.07 0.89 NaN in situ 2025 03 15 2025.2000 1867.15 1.39 NaN in situ 2025 04 15 2025.2849 1872.83 2.16 NaN in situ 2025 05 15 2025.3671 1880.04 2.34 NaN in situ 2025 06 15 2025.4521 1887.38 2.17 NaN in situ Terms of Use 1. 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