《太平广记·卷一百三十九·征应五》
又有谚语说： 春天甲子日下雨，就要千里大旱；夏天甲子日下雨就会发大水；秋天甲子日下雨，庄稼的头上就会长出枝杈；天鹅在距离地面很近的地方筑窝，那年就要发大水。
又谚云：春雨甲子，赤地千里；夏雨甲子，乘船入市；秋雨甲子，禾头生耳，鹊巢下近地，其年大水。
Another rumour says that if it rains on jiazi in the spring, there will be great drought for a thousand li, if it rains on jiazi in summer, there will be floods, if it rains on jiazi in autumn, branches wil grow from the heads of crops, if geese nest very close to the ground then there will be floods that year.