What altitude is the 500 mb pressure reading found? pres hght temp dwpt relh mixr drct sknt thta thte thtv hpa m c c % g/kg deg knot k k k 1000.0 160 998.0 178 -5.1 -6.2 92 2.42 120 2 268.2 274.9 268.6 994.0 210 0.4 -2.2 83 3.29 131 2 274.0 283.1 274.6 990.0 242 3.2 -1.8 70 3.40 143 2 277.1 286.7 277.7 982.0 308 5.4 -3.6 52 3.00 166 3 280.0 288.6 280.5 972.0 392 6.6 -4.4 45 2.85 195 3 282.0 290.3 282.5 946.4 610 5.0 -4.9 49 2.81 270 5 282.6 290.7 283.0 925.0 796 3.6 -5.4 52 2.78 255 5 283.0 291.1 283.5 911.6 914 2.6 -6.0 53 2.68 285 11 283.1 291.0 283.6 888.0 1125 0.8 -7.2 55 2.52 285 11 283.4 290.8 283.8 877.7 1219 0.2 -8.7 51 2.27 285 11 283.7 290.4 284.1 864.0 1345 -0.7 -10.7 47 1.97 290 14 284.1 290.0 284.4 850.0 1475 0.0 -14.0 34 1.53 295 18 286.1 290.8 286.4 830.0 1666 1.6 -18.4 21 1.09 287 22 289.8 293.2 290.0 813.4 1829 1.2 -20.4 18 0.93 280 26 291.0 294.0 291.2 790.0 2063 0.6 -23.4 15 0.74 288 25 292.8 295.2 292.9 783.0 2134 0.8 -31.7 7 0.35 290 25 293.8 295.0 293.9 773.0 2238 1.2 -43.8 2 0.10 293 25 295.3 295.7 295.3 766.0 2311 2.4 -46.6 1 0.08 296 25 297.4 297.6 297.4 754.0 2438 2.2 -46.8 1 0.08 300 25 298.5 298.8 298.5 751.0 2470 2.2 -46.8 1 0.08 299 25 298.8 299.1 298.8 726.0 2743 1.1 -47.9 1 0.07 295 24 300.5 300.8 300.5 711.0 2910 0.4 -48.6 1 0.07 292 25 301.6 301.8 301.6 709.0 2933 0.4 -34.6 5 0.29 292 25 301.8 302.8 301.9 705.0 2978 0.0 -15.0 31 1.70 291 26 301.8 307.4 302.1 700.0 3035 -0.5 -12.5 40 2.10 290 26 301.9 308.6 302.3 699.0 3046 -0.5 -12.5 40 2.10 290 26 302.0 308.8 302.4 691.0 3138 -1.1 -12.1 43 2.20 290 26 302.4 309.4 302.8 685.0 3208 -0.9 -24.9 14 0.74 290 27 303.3 305.9 303.5 677.0 3301 -1.1 -34.1 6 0.32 290 27 304.1 305.3 304.2 673.0 3348 -0.9 -24.9 14 0.76 290 28 304.9 307.5 305.0 668.0 3407 -1.3 -17.3 28 1.48 290 28 305.1 310.0 305.3 647.2 3658 -3.0 -15.9 37 1.72 290 29 305.9 311.5 306.2 642.0 3722 -3.5 -15.5 39 1.79 289 29 306.1 311.9 306.4 626.0 3921 -4.1 -21.1 25 1.14 286 31 307.6 311.5 307.8 622.7 3962 -4.3 -21.1 26 1.14 285 31 307.9 311.7 308.1 603.0 4215 -5.3 -21.3 27 1.16 289 30 309.5 313.5 309.7 599.0 4267 -5.3 -25.1 20 0.84 290 30 310.0 313.0 310.2 588.0 4412 -5.5 -35.5 7 0.32 291 30 311.5 312.7 311.6 564.0 4736 -7.9 -34.9 9 0.35 294 30 312.4 313.7 312.5 558.0 4819 -8.5 -27.5 20 0.72 295 30 312.6 315.2 312.8 553.8 4877 -8.6 -33.9 11 0.40 295 30 313.2 314.6 313.2 552.0 4903 -8.7 -36.7 8 0.30 295 30 313.4 314.5 313.4 524.0 5303 -11.3 -40.3 7 0.22 295 35 314.9 315.8 315.0 511.0 5495 -12.7 -38.7 9 0.26 295 37 315.5 316.5 315.6 500.0 5660 -14.3 -26.3 35 0.90 295 39 315.5 318.7 315.7