Tabla A-1   Media yn y desviación estándar σn de la variable de Gumbel en función del período de registro n. n ȳn σn n ȳn σn n ȳn σn 8 0.4843 0.9043 35 0.5403 1.1285 64 0.5533 1.1793 9 0.4902 0.9288 36 0.5410 1.1313 66 0.5538 1.1814 10 0.4952 0.9497 37 0.5418 1.1339 68 0.5543 1.1834 11 0.4996 0.9676 38 0.5424 1.1363 70 0.5548 1.1854 12 0.5035 0.9833 39 0.5430 1.1388 72 0.5552 1.1873 13 0.5070 0.9972 40 0.5436 1.1413 74 0.5557 1.1890 14 0.5100 1.0095 41 0.5442 1.1436 76 0.5561 1.1906 15 0.5128 1.0206 42 0.5448 1.1458 78 0.5565 1.1923 16 0.5157 1.0316 43 0.5453 1.1480 80 0.5569 1.1938 17 0.5181 1.0411 44 0.5458 1.1499 82 0.5572 1.1953 18 0.5202 1.0493 45 0.5463 1.1519 84 0.5576 1.1967 19 0.5220 1.0566 46 0.5468 1.1538 86 0.5580 1.1980 20 0.5236 1.0628 47 0.5473 1.1557 88 0.5583 1.1994 21 0.5252 1.0696 48 0.5477 1.1574 90 0.5586 1.2007 22 0.5268 1.0754 49 0.5481 1.1590 92 0.5589 1.2020 23 0.5283 1.0811 50 0.5485 1.1607 94 0.5592 1.2032 24 0.5296 1.0864 51 0.5489 1.1623 96 0.5595 1.2044 25 0.5309 1.0915 52 0.5493 1.1638 98 0.5598 1.2055 26 0.5320 1.0961 53 0.5497 1.1653 100 0.5600 1.2065 27 0.5332 1.1004 54 0.5501 1.1667 150 0.5646 1.2253 28 0.5343 1.047 55 0.5504 1.1681 200 0.5672 1.2360 29 0.5353 1.1086 56 0.5508 1.1696 250 0.5688 1.2429 30 0.5362 1.1124 57 0.5511 1.1708 300 0.5699 1.2479 31 0.5371 1.1159 58 0.5515 1.1721 400 0.5714 1.2545 32 0.5380 1.1193 59 0.5518 1.1734 500 0.5724 1.2588 33 0.5388 0.1226 60 0.5521 1.1747 750 0.5738 1.2651 34 0.5396 1.1255 62 0.5527 1.1770 1000 0.5745 1.2685 Fuente:  Gumbel, E. J. (1958). Statistics of Extremes. Irvington, New York: Columbia University Press.

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