condition	mean	min	max
4 h after light	12.0	12.0	12.0
8 h after light	36.8	29.3	44.3
12 h after light	54.65	26.7	82.6
4 h after dark	18.25	11.6	24.9
8 h after dark	32.1	26.7	37.5
12 h after dark	30.55	20.4	40.7