指数 | 集中影响年份 | 尺度中心/a | 存在周期/a | 主周期/a |
RX1day | 1961~2012 | 3 | 2, 5, 10 | 2, 5 |
RX5day | 1961~2015 | 2 | 2, 5, 8 | 2 |
R95p | 1961~1990, 1995~2015 | 4, 2 | 2, 5 | 2 |
SDII | 1961~1988, 1994~2015 | 4, 2 | 2, 5, 14 | 2 |
R50 | 1961~1990, 1995~2015 | 4, 2 | 2, 5 | 2 |
CWD | 1961~1978, 1982~1990, 1995~2021 | 6, 3, 7 | 2, 5, 7 | 7 |
CDD | 1961~1998, 2005~2021 | 2, 3 | 2, 20 | 2 |