condition	mean	min	max
4 h after light	16.4	16.4	16.4
8 h after light	10.600000000000001	2.1	19.1
12 h after light	12.15	7.2	17.1
4 h after dark	21.15	5.3	37.0
8 h after dark	31.0	30.6	31.4
12 h after dark	7.65	2.3	13.0