condition	mean	min	max
4 h after light	3.9	3.9	3.9
8 h after light	17.4	8.2	26.6
12 h after light	31.450000000000003	21.3	41.6
4 h after dark	19.549999999999997	5.3	33.8
8 h after dark	19.95	4.0	35.9
12 h after dark	18.65	5.5	31.8