condition	mean	min	max
4 h after light	31.6	31.6	31.6
8 h after light	11.1	2.8	19.4
12 h after light	19.65	12.7	26.6
4 h after dark	6.5	3.5	9.5
8 h after dark	10.6	2.4	18.8
12 h after dark	16.75	16.1	17.4