Seasons

Each settlement goes 3 cycling seasons:
 * 1) Dizzle lasts 6:00 minutes. Crops are planted and positive Forest Mysteries are active.
 * 2) Clearance lasts 4:15 minutes. Crops are harvested.
 * 3) Storm lasts 1:40 minutes. Crops that are not harvested die and negative Forest Mysteries are active.