Table 75 (continued) 309 



POTENTIAL TEMPERATURE 



Pressure — millibars 



250 200 175 150 125 100 80 60 50 40 30 20 



•K. °K. °K. °K. °K. °K. °K. °K. °K. °K. °K. 'K. 



316.9 337.8 366.8 386.4 411.8 447.1 502.0 



318.9 339.9 369.0 388.7 414.3 449.8 505.0 



320.8 341.9 371.2 391.1 416.8 452.5 508.1 



322.7 344.0 373.5 393.4 419.3 455.2 511.2 



324.7 346.0 375.7 395.8 421.8 458.0 514.2 



326.6 348.1 377.9 398.1 424.3 460.7 517.3 



328.5 350.2 380.2 400.5 426.8 463.4 520.3 



330.5 352.2 382.4 402.8 429.4 466.1 523.4 



332.4 354.3 384.6 405.2 431.9 468.9 526.4 



-100 334.3 356.3 386.9 407.5 434.4 471.6 529.5 



- 99 275.8 286.6 299.5 315.5 336.3 358.4 389.1 409.9 436.9 474.3 532.6 



• 98 277.4 288.2 301.2 317.3 338.2 360.4 391.3 412.2 439.4 477.0 535.6 



- 97 279.0 289.9 302.9 319.1 340.1 362.5 293.6 414.6 441.9 479.8 538.7 



- 96 280.6 291.5 304.6 320.9 342.0 364.6 395.8 416.9 444.4 482.5 541.7 



■ 95 282.2 293.1 306.3 322.7 344.0 366.6 398.0 419.3 446.9 485.2 544.8 



■ 94 283.8 294.8 308.1 324.5 345.9 368.7 400.3 421.7 449.4 487.9 547.9 



- 93 285.3 296.4 309.8 326.3 347.8 370.7 402.5 424.0 451.9 490.6 550.9 



- 92 286.9 298.1 311.5 328.2 349.8 372.8 404\7 426.4 454.4 493.4 554.0 



■ 91 288.5 299.7 313.2 330.0 351.7 374.8 407.0 428.7 456.9 496.1 557.0 



• 90 290.1 301.4 314.9 331.8 353.6 376.9 409.2 431.1 459.5 498.8 560.1 



• 89 273.7 291.7 303.0 316.7 333.6 255.6 379.0 411.4 433.4 462.0 501.5 563.1 



• 88 275.1 293.3 304.7 318.4 335.4 357.5 381.0 413.7 435.8 464.5 504.3 566.2 



■ 87 276.6 294.8 306.3 320.1 337.2 359.4 383.1 415.9 438.1 467.0 507.0 569.3 



■ 86 278.1 296.4 308.0 321.8 339.0 361.4 385.1 418.1 440.5 469.5 509.7 572.3 



■ 85 279.6 298.0 309.6 323.5 340.8 363.3 387.2 420.4 442.8 472.0 512.4 575.4 



• 84 281.1 299.6 311.2 325.3 342.6 365.2 389.3 422.6 445.2 474.5 515.2 578.4 



• 83 282.6 301.2 312.9 327.0 344.5 367.1 391.3 424.8 447.5 477.0 517.9 581.5 



■ 82 284.1 302.8 314.5 328.7 346.3 369.1 393.4 427.1 449.9 479.5 520.6 584.5 



■ 81 285.6 304.3 316.2 330.4 348.1 371.0 395.4 429.3 452.2 482.0 523.3 587.6 



■ 80 287.0 305.9 317.8 332.1 349.9 372.9 397.5 431.5 454.6 484.5 526.1 590.7 



■ 79 288.5 307.5 319.5 333.9 351.7 374.9 399.5 433.8 457.0 487.1 528.8 593.7 



• 78 290.0 309.1 321.1 335.6 353.5 376.8 401.6 436.0 459.3 489.6 531.5 596.8 



• 77 291.5 310.7 322.8 337.3 355.3 378.7 403.7 438.2 461.7 492.1 534.2 599.8 



■ 76 293.0 312.3 324.4 339.0 357.1 380.7 405.7 440.5 464.0 494.6 536.9 602.9 



• 75 294.5 313.8 326.1 340.7 358.9 382.6 407.8 442.7 466.4 497.1 539.7 606.0 



■ 74 296.0 315.4 327.7 342.5 360.8 384.5 409.8 444.9 468.7 499.6 542.4 609.0 



• 73 297A 317.0 329.3 344.2 362.6 386.4 411.9 447.2 471.1 502.1 545.1 612.1 



• 72 298.9 318.6 331.0 345.9 364.4 388.4 413.9 449.4 473.4 504.6 547.8 615.1 



■ 71 300.4 320.2 332.6 347.6 366.2 390.3 416.0 451.6 475.8 507.1 550.6 618.2 



• 70 301.9 321.8 334.3 349.3 368.0 392.2 418.1 453.9 478.1 509.6 553.3 621.2 



• 69 303.4 323.3 335.9 351.1 369.8 394.2 420.1 456.1 480.5 512.1 556.0 624.3 



• 68 304.9 324.9 337.6 352.8 371.6 396.1 422.2 458.3 482.8 514.6 558.7 627.4 



• 67 306.4 326.5 339.2 354.5 373.4 398.0 424.2 460.6 485.2 517.2 561.5 630.4 



• 66 307.8 328.1 340.9 356.2 375.2 400.0 426.3 462.8 487.6 519.7 564.2 633.5 



• 65 309.3 329.7 342.5 357.9 377.1 401.9 428.4 465.1 489.9 522.2 566.9 636.5 



■ 64 310.8 331.3 344.2 359.7 378.9 403.8 430.4 467.3 492.3 524.7 569.6 639.6 



■ 63 312.3 332.9 345.8 361.4 380.7 405.8 432.5 469.5 494.6 527.2 572.3 642.6 



• 62 313.8 334.4 347.4 363.1 382.5 407.7 434.5 471.8 497.0 529.7 575.1 645.7 



• 61 315.3 336.0 349.1 364.8 384.3 409.6 436.6 474.0 499.3 532.2 577.8 648.8 



(continued) 



SMITHSONIAN METEOROLOGICAL TABLES 



