% ATM_US_Std_Atmos.txt % P T W O % hPa K g/kg ppmv 0.0050 190.1900 0.0010 0.4733 0.0161 203.6500 0.0010 0.2769 0.0384 215.3000 0.0020 0.2868 0.0769 226.8700 0.0030 0.5182 0.1370 237.8300 0.0030 0.8323 0.2244 247.5000 0.0030 1.1847 0.3454 256.0300 0.0030 1.6965 0.5064 263.4800 0.0030 2.1663 0.7140 267.0900 0.0030 3.0034 0.9753 270.3700 0.0030 3.7629 1.2972 266.4200 0.0030 4.7505 1.6872 261.5600 0.0030 5.6133 2.1526 256.4000 0.0030 6.3391 2.7009 251.6900 0.0030 7.0367 3.3398 247.3200 0.0030 7.5053 4.0770 243.2700 0.0030 7.7561 4.9204 239.5600 0.0030 7.8161 5.8776 236.0700 0.0030 7.6963 6.9567 232.7600 0.0030 7.5660 8.1655 230.6700 0.0030 7.2844 9.5119 228.7100 0.0030 7.0100 11.0038 227.3500 0.0030 6.7272 12.6492 226.2900 0.0030 6.4463 14.4559 225.2800 0.0030 6.1771 16.4318 224.4100 0.0030 5.9291 18.5847 223.6100 0.0030 5.6948 20.9224 222.8500 0.0030 5.4739 23.4526 222.1200 0.0030 5.2681 26.1829 221.4200 0.0030 5.0125 29.1210 220.7300 0.0030 4.6894 32.2744 220.0700 0.0030 4.3514 35.6505 219.4400 0.0030 4.0142 39.2566 218.8200 0.0030 3.6877 43.1001 218.2300 0.0030 3.3712 47.1882 217.6500 0.0030 3.0641 51.5278 217.1800 0.0030 2.7729 56.1260 216.9100 0.0030 2.5032 60.9895 216.7000 0.0030 2.2410 66.1253 216.7000 0.0030 1.9859 71.5398 216.7000 0.0030 1.7484 77.2396 216.7000 0.0030 1.5445 83.2310 216.7000 0.0030 1.3458 89.5204 216.7000 0.0030 1.1782 96.1138 216.7000 0.0030 1.0251 103.0172 216.7000 0.0030 0.8936 110.2366 216.7000 0.0030 0.7884 117.7775 216.7000 0.0030 0.6968 125.6456 216.7000 0.0040 0.6265 133.8462 216.7000 0.0040 0.5578 142.3848 216.7000 0.0050 0.5038 151.2664 216.7000 0.0050 0.4551 160.4959 216.7000 0.0070 0.4204 170.0784 216.7100 0.0090 0.3863 180.0183 216.7100 0.0110 0.3530 190.3203 216.7200 0.0120 0.3203 200.9887 216.8100 0.0140 0.2883 212.0277 217.8000 0.0200 0.2576 223.4415 218.7700 0.0250 0.2274 235.2338 219.7200 0.0300 0.1978 247.4085 220.6600 0.0350 0.1688 259.9691 222.5100 0.0470 0.1490 272.9191 224.5700 0.0610 0.1319 286.2617 226.5900 0.0750 0.1151 300.0000 228.5800 0.0890 0.0986 314.1369 230.6100 0.1260 0.0882 328.6753 232.6100 0.1620 0.0779 343.6176 234.5700 0.1970 0.0679 358.9665 236.5300 0.2350 0.0615 374.7241 238.4800 0.2730 0.0577 390.8926 240.4000 0.3100 0.0540 407.4738 242.3100 0.3560 0.0507 424.4698 244.2100 0.4100 0.0480 441.8819 246.0900 0.4710 0.0455 459.7118 247.9400 0.5350 0.0430 477.9607 249.7800 0.6010 0.0408 496.6298 251.6200 0.6840 0.0398 515.7200 253.4500 0.7840 0.0388 535.2322 255.2600 0.8860 0.0378 555.1669 257.0400 0.9870 0.0369 575.5248 258.8000 1.0940 0.0359 596.3062 260.5500 1.2250 0.0349 617.5112 262.2800 1.3530 0.0340 639.1398 264.0200 1.5190 0.0337 661.1920 265.7300 1.6860 0.0335 683.6673 267.4200 1.8520 0.0333 706.5654 269.0900 2.0360 0.0331 729.8857 270.7700 2.2670 0.0329 753.6275 272.4300 2.4960 0.0327 777.7897 274.0600 2.7210 0.0325 802.3714 275.7000 2.9470 0.0319 827.3713 277.3200 3.1700 0.0313 852.7880 278.9200 3.3910 0.0306 878.6201 280.5100 3.6210 0.0299 904.8659 282.0800 3.8480 0.0292 931.5236 283.6400 4.0840 0.0285 958.5911 285.2000 4.3330 0.0278 986.0666 286.7400 4.5790 0.0272 1013.9476 288.2500 4.8220 0.0266 1042.2319 289.7500 5.0610 0.0260 1070.9170 291.2200 5.2960 0.0258 1100.0000 292.6800 5.5280 0.0258