condition	mean	min	max
4 h after light	11.468	10.0368	12.8992
8 h after light	15.6829	15.6331	15.7327
12 h after light	18.60085	18.3314	18.8703
4 h after dark	21.3604	21.2712	21.4496
8 h after dark	14.457550000000001	13.9932	14.9219
12 h after dark	12.648	12.3939	12.9021