The first EOF eigenvector field of summer rainstorm day number was consistent with that of summer rainstorm precipitation, showing consistent in-phase distribution of rainstorm in Guizhou.

• 暴雨日数和暴雨量EOF分解的第一特征向量的荷载场空间分布基本一致，表明全省呈偏多（少）的一致型同位相分布。