English of Core Text: Reish Lakish said: It is written “And a mist went up from the earth” — once a break rises from below, the rains immediately fall.
On the daf / in context: A practical meteorological observation derived from the verse: the rising of moisture from below is the signal for rain.
Type of Learning: Custom (mechanism of rainfall)What Is Learned: Rain falls once moisture has risen from the earth below.