Minimal light (from the moons and stars).
Coastal fog, visibility 20 feet.
Normal forest with clearings fairly numerous.
Noticeable wind, stray distant lightning, rain, cool winds.
There are drizzles with a few caverns flooded, 33% more rain than usual for this level, normal river strength for this level.
Normal tensile strength.
If plants permit there is vine-thatching over smaller gashes, crust marginally easier to remove, vine-thatchings normal strength.
Normal landscape.
Normal fauna and flora behaviour.