condition	mean	min	max
4 h after light	5.6	5.6	5.6
8 h after light	49.95	38.5	61.4
12 h after light	26.0	9.4	42.6
4 h after dark	45.2	5.2	85.2
8 h after dark	49.85	23.2	76.5
12 h after dark	30.75	22.0	39.5