And which temperatures - air, ground, sea? Or qualitative measures such as when lambs are born, crops are harvested, leaves fall, etc? There's a lot that we as

And which temperatures - air, ground, sea? Or qualitative measures such as when lambs are born, crops are harvested, leaves fall, etc? There's a lot that we associate with seasons. But the quote somewhere above about six seasons with locking before winter and unlocking after does feel like a better fit to me.