Figure 03

(a,b) JJAS mean precipitation (mm day-1) in GL90 minus that from (a) AO_PO90, (b) IO90. (c,d) Similarly but for 850 hPa wind (m s-1), with vectors and coloured shading as defined in figure 2e.(a)、(b) 分别为GL90与AO_PO90、IO90的JJAS（6-9月）平均降水量（单位：毫米/日）差值；(c)、(d) 同理，为850百帕风场（单位：米每秒）的差值，矢量与彩色填色规则如图2e所示。