Minimal light (from the moons and stars).
Full fog, visibility 20 feet.
Overgrowth on inanimate objects, moss on tree trunks, plants occasionally droop a bit, normal amount of plants.
A breeze, lots of lightning, drizzles, cool winds.
Rivers are normal and there is morning dew, one level more rain, normal river strength for this level.
Normal tensile strength.
If plants permit there is vine-thatching over smaller gashes, cavern entrances are fully crusted over, crust slightly harder to remove, vine-thatchings considerably thicker and sturdier.
Normal landscape.
Normal fauna and flora behaviour.