condition	mean	min	max
4 h after light	33.8	33.8	33.8
8 h after light	47.0	21.1	72.9
12 h after light	37.95	27.6	48.3
4 h after dark	47.75	26.7	68.8
8 h after dark	58.4	33.7	83.1
12 h after dark	30.25	24.3	36.2