ice_age (ka), temperature (degrees C), CO2 (ppmv), CH4 (ppbv) 5.06, -55.4533, 272.14, 666.93 5.45, -55.8133, 271.22, 653.54 5.85, -54.6283, 270.29, 640.15 6.27, -55.56, 268.39, 594.65 6.7, -55.71, 266.06, 593.28 7.14, -52.8083, 263.73, 591.92 7.57, -55.2983, 261.4, 590.55 8.01, -55.3233, 259.06, 589.19 8.44, -54.7833, 256.73, 585.64 8.87, -54.5533, 254.4, 579.11 9.31, -55.3967, 252.07, 593.3 9.76, -54.7733, 255.09, 607.49 10.24, -56.0417, 257.22, 621.4 10.74, -57.8517, 257.77, 634.89 11.24, -58.88, 258.31, 648.38 11.74, -58.5933, 258.86, 661.87 12.32, -57.3717, 257.58, 650.61 12.94, -59.1567, 255.66, 624.17 13.55, -60.6467, 253.75, 500.31 14.17, -61.6367, 251.83, 496.15 14.78, -62.8317, 249.91, 592.5 15.39, -63.7617, 247.99, 640.33 16.01, -64.6567, 246.07, 593.7 16.69, -63.66, 240.5, 466.61 17.48, -64.9317, 230.26, 435.7 18.26, -64.41, 220.02, 424.48 19.05, -64.3667, 209.79, 413.27 19.83, -65.2717, 199.55, 402.06 20.63, -64.62, 193.11, 388.12 21.45, -64.765, 193.43, 369.51 22.28, -63.415, 193.74, 356.85 23.11, -63.9, 194.05, 353.02 23.93, -64.135, 194.37, 376.64 24.76, -64.99, 195.13, 365.26 25.6, -63.755, 196.21, 349.99 26.43, -62.9483, 197.29, 381.42 27.27, -64.5567, 198.37, 403.16 28.1, -63.5867, 199.45, 395.28 28.93, -64.24, 199.81, 387.39 29.74, -63.0183, 199.41, 391.67 30.56, -63.6917, 199.02, 407.48 31.38, -62.755, 198.63, 416.47 32.19, -61.185, 198.24, 419 33, -61.6017, 201.8, 421.53 33.79, -63.265, 211.31, 425.3 34.59, -62.8517, 220.81, 430.79 35.37, -62.4017, 217.71, 488.22 36.16, -62.7617, 210.85, 536.7 36.94, -62.1333, 207.51, 508.13 37.71, -62.3433, 208.66, 476.62 38.48, -62.3117, 209.82, 474.92 39.24, -60.76, 209.48, 481.14 40.01, -61.745, 208.87, 473.2 40.77, -61.4483, 208.25, 453.2 41.53, -62.96, 207.63, 433.2 42.3, -62.705, 207.02, 427.04 43.06, -63.0467, 201.24, 432.67 43.82, -62.7417, 195.3, 438.3 44.58, -62.4933, 189.37, 436.13 45.34, -61.955, 183.43, 426.77 46.1, -61.7833, 179.86, 417.3 46.85, -61.5017, 187.85, 407.3 47.61, -61.8767, 195.84, 415.14 48.36, -61.4, 201.49, 443.08 49.1, -62.0433, 204.6, 468.87 49.85, -61.31, 207.7, 484.84 50.6, -62.7633, 206.42, 500.81 51.34, -62.305, 205.15, 495.58 52.09, -60.9617, 203.87, 485.05 52.84, -60.1867, 202.6, 486.85 53.58, -59.5267, 201.32, 500.03 54.35, -60.72, 201, 513.21 55.12, -61.4967, 201, 519.33 55.9, -61.3783, 204.78, 525 56.69, -62.32, 211.41, 512.51 57.49, -62.9817, 218.04, 479.56 58.3, -63.5883, 217.91, 446.61 59.11, -62.3283, 215.88, 431.71 59.94, -63.8567, 213.48, 419.74 60.78, -64.1017, 210.29, 411.32 61.63, -64.4217, 207.11, 412.52 62.5, -63.455, 204.63, 413.71 63.38, -63.7517, 202.32, 414.32 64.26, -62.105, 199.56, 414.74 65.13, -62.83, 196.2, 417.81 66.01, -62.7333, 192.84, 425.41 66.88, -61.8267, 192.36, 433.01 67.74, -62.7717, 192.83, 430.68 68.59, -63.1083, 195.81, 426.86 69.43, -62.96, 200.14, 427.44 70.27, -61.705, 204.46, 441.21 71.1, -60.3583, 212.63, 454.97 71.93, -61.5683, 222, 449.26 72.75, -63.2367, 229.73, 438.06 73.57, -61.7233, 235.93, 433.53 74.39, -62.46, 242.13, 446.13 75.19, -61.5367, 239.98, 458.72 75.99, -60.0633, 236.47, 444.31 76.79, -59.7833, 233.93, 420.41 77.58, -59.1233, 232.1, 405.39 78.37, -59.9767, 229.95, 420.15 79.15, -59.195, 225.77, 434.9 79.93, -59.98, 221.59, 457.1 80.7, -59.2417, 219.8, 481.28 81.47, -58.14, 220.39, 504.24 82.24, -59.055, 220.98, 524.93 83.01, -59.7683, 221.57, 545.53 83.78, -60.2333, 222.16, 563.35 84.55, -60.2983, 224.42, 581.17 85.33, -59.8583, 228.88, 586.42 86.1, -61.16, 233.33, 559.33 86.88, -62.1217, 228.31, 532.25 87.65, -61.825, 221.61, 496.31 88.43, -60.5467, 216.76, 459.17 89.21, -61.3983, 213.26, 424.68 89.99, -60.695, 210.35, 420.68 90.78, -59.6283, 215.3, 418.02 91.56, -60.7333, 220.26, 430.78 92.35, -60.4733, 222.77, 443.54 93.15, -59.9283, 224.47, 453.22 93.94, -60.245, 226.31, 448.91 94.73, -60.8333, 229.41, 444.6 95.53, -60.57, 232.51, 433.08 96.33, -59.615, 232.59, 417.34 97.13, -59.805, 229.88, 406.11 97.93, -59.7467, 227.18, 406.5 98.74, -59.3617, 229.6, 406.88 99.55, -58.7817, 233.73, 423.21 100.38, -58.3733, 234.1, 446.36 101.23, -58.9817, 229.87, 469.52 102.08, -60.1833, 225.63, 479.35 102.97, -59.9083, 226.38, 509.63 103.87, -60.405, 228.01, 506.34 104.78, -59.9883, 230.58, 501.91 105.71, -60.29, 234.62, 524.74 106.65, -60.3517, 238.44, 547.58 107.64, -62.8617, 236.94, 566.55 108.62, -62.4217, 235.44, 581.64 109.6, -62.105, 236.2, 573.31 110.57, -61.5667, 240.79, 463.41 111.53, -61.9633, 242.88, 444.23 112.45, -62.2983, 239.16, 452.74 113.37, -62.1067, 235.43, 459.43 114.27, -61.1567, 234.87, 466.13 115.15, -60.2167, 237.72, 463.5 116.02, -60.1783, 242.53, 457.25 116.85, -58.8933, 255.16, 451 117.68, -58.5483, 267.79, 445.98 118.5, -57.435, 275.36, 453.58 119.29, -57.5033, 273.52, 490.88 120.09, -56.9833, 271.68, 499.06 120.85, -56.8017, 274.51, 507.23 121.61, -56.85, 277.86, 515.59 122.36, -56.695, 278.75, 527.43 123.1, -55.8183, 275.28, 539.27 123.83, -55.9717, 271.81, 547.55 124.54, -54.9333, 269.32, 553.45 125.25, -55.2617, 266.93, 557.96 125.95, -56.0483, 265.96, 560.37 126.65, -55.3883, 268.01, 564.12 127.34, -54.6183, 270.06, 570.75 128.04, -54.925, 272.11, 577.37 128.74, -54.6783, 274.16, 584 129.44, -55.0117, 273.23, 585.04 130.15, -54.7217, 270.22, 586.6 130.86, -53.8433, 267.22, 594.07 131.57, -53.09, 269.27, 601.54 132.29, -53.3583, 272.92, 609.02 133.01, -52.33, 273.44, 616.49 133.74, -53.585, 269.81, 629.03 134.47, -55.6483, 266.18, 646.08 135.24, -53.9067, 277.41, 649.35 136, -55.035, 289.42, 693.41 136.8, -55.9433, 291.71, 600.31 137.64, -57.925, 280.02, 532.7 138.49, -58.29, 268.34, 527.77 139.43, -59.5067, 260, 509.61 140.4, -61.1133, 252.5, 483.99 141.39, -62.845, 245, 458.38 142.49, -63.3067, 237.51, 445.28 143.61, -63.055, 230.31, 435.5 144.89, -64.95, 225.05, 419.71 146.18, -64.8983, 219.79, 398.54 147.58, -63.915, 211.62, 352.91 149.11, -64.1667, 200.16, 363.05 150.67, -63.9183, 191.69, 369.66 152.35, -64.7883, 195.12, 337.2 154.02, -63.9667, 198.55, 318.25 155.7, -64.6783, 198.89, 318.94 157.38, -64.18, 195.15, 339.4 159.05, -64.9233, 191.41, 348.54 160.73, -64.2083, 192.8, 353.25