condition	mean	min	max
4 h after light	17.7	17.7	17.7
8 h after light	20.9	11.5	30.3
12 h after light	22.0	19.5	24.5
4 h after dark	3.6	2.5	4.7
8 h after dark	3.1500000000000004	1.6	4.7
12 h after dark	7.050000000000001	1.8	12.3