mountains in the morning ,fountains in the evening是什么意思

问题描述:

mountains in the morning ,fountains in the evening是什么意思
还有
when dew is on the grass,rain will never come to pass
when a halo rings around the moon or sun,rain is approaching
mackerel sky ,not three days dry

貌似是气象谚语之类的

早看山晚看水
草上有露珠,不会下雨
太阳或月亮有光晕,离下雨不远了
天空出现鱼鳞云,干燥不会超过三天
.原文最后一句有点怪怪的.