condition	mean	min	max
4 h after light	3.9	3.9	3.9
8 h after light	4.5	2.4	6.6
12 h after light	7.0	3.8	10.2
4 h after dark	14.75	11.4	18.1
8 h after dark	3.7	3.7	3.7
12 h after dark	7.1000000000000005	2.9	11.3