condition	mean	min	max
4 h after light	17.7	17.7	17.7
8 h after light	15.9	5.5	26.3
12 h after light	18.8	13.9	23.7
4 h after dark	12.1	10.7	13.5
8 h after dark	8.95	3.3	14.6
12 h after dark	26.349999999999998	16.9	35.8