condition	mean	min	max
4 h after light	14.3	14.3	14.3
8 h after light	21.3	18.8	23.8
12 h after light	5.8	0.9	10.7
4 h after dark	12.5	7.5	17.5
8 h after dark	22.55	2.7	42.4
12 h after dark	11.3	8.0	14.6