condition	mean	min	max
4 h after light	12.3	12.3	12.3
8 h after light	22.9	19.5	26.3
12 h after light	37.55	26.5	48.6
4 h after dark	20.4	11.8	29.0
8 h after dark	32.2	29.3	35.1
12 h after dark	29.15	16.3	42.0