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    Tropical Cyclones in 2017 > Table 4.8.2

    TROPICAL CYCLONES IN 2017

    Table 4.8.2    Ten wettest tropical cyclones in Hong Kong (1884 - 1939, 1947 - 2017)

    Tropical Cyclone
    Rainfall at the Hong Kong Observatory (mm)
    Year
    Month
    Name
    (i)
    within 600 km of
    Hong Kong
    (T1 T2
    (ii)
    24-hour
    period
    after T2
    (iii)
    48-hour
    period
    after T2
    (iv)
    72-hour
    period
    after T2
    (i) + (iv)
    Total
    T1
    (T2 + 72 hours)
    　
    1999 8 Sam 368.1 178.9 248.1 248.4 616.5
    1926 7 T.C. 34.8# 534.0# 561.1# 562.2# 597.0
    1916 6 T.C. 494.8# 27.9# 59.4# 67.2# 562
    1965 9 Agnes 404.6 8.9 64.3 126.1 530.7
    1978 7 Agnes 502.4 12.3 12.3 16.6 519.0
    1976 8 Ellen 90.7 394.2 421 425.4 516.1
    1993 9 Dot 459.6 37.9 37.9 37.9 497.5
    1982 8 Dot 41.2 322.5 403.1 450.5 491.7
    2016 10 Sarika 195.6 223.2 223.2 295.7+ 491.3
    1995 8 Helen 241.4 146.2 235.2 239.5 480.9

    T1 - The time when a tropical cyclone was first centred within 600 km of Hong Kong.
    T2 - The time when a tropical cyclone was dissipated within or moved outside 600 km of Hong Kong.
    # For years prior to 1961, column (i) is the sum of daily rainfall on those days when a tropical cyclone was centred within 600 km of Hong Kong, columns (ii) to (iv) show respectively the accumulated daily rainfall on the following one to three days.
    + 72.5 mm of rainfall overlapped with the rainfall of SuperT. Haima.

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