condition	mean	min	max
4 h after light	17.4	17.4	17.4
8 h after light	11.75	4.1	19.4
12 h after light	4.0	2.6	5.4
4 h after dark	16.3	6.6	26.0
8 h after dark	21.05	1.7	40.4
12 h after dark	4.199999999999999	2.8	5.6