McClatchey (1972) Subartic summer atmosphere ---------------------------------------- HGHT SPD DRCT PRES TEMP RELH (km) (m/s) (hPa) (K) (%) ---------------------------------------- 0 0 0 1010 287 75.9 1 0 0 896.0 282 68.8 2 0 0 792.9 276 71.5 3 0 0 700.0 271 64.8 4 0 0 616.0 266 58.4 5 0 0 541.0 260 53.7 6 0 0 473.0 253 50.2 7 0 0 413.0 246 48.2 8 0 0 359.0 239 4.4 9 0 0 310.7 232 24.6 10 0 0 267.7 225 17.8 11 0 0 230.0 225 11.2 12 0 0 197.7 225 7.1 13 0 0 170.0 225 2.2 14 0 0 146.0 225 1.2 15 0 0 125.0 225 0.9 16 0 0 108.0 225 0.8 17 0 0 92.8 225 0.7 18 0 0 79.8 225 0.6 19 0 0 68.6 225 0.6 20 0 0 58.9 225 0.5 21 0 0 50.7 225 0.6 22 0 0 43.6 225 0.6 23 0 0 37.5 225 0.6 24 0 0 32.3 226 0.6 25 0 0 27.8 228 0.6 30 0 0 13.4 235 0.2 35 0 0 6.6 247 0.0 40 0 0 3.4 262 0.0 45 0 0 1.8 274 0.0 50 0 0 1.0 277 0.0