condition	mean	min	max
4 h after light	34.4	34.4	34.4
8 h after light	48.0	42.5	53.5
12 h after light	34.5	32.8	36.2
4 h after dark	31.25	19.5	43.0
8 h after dark	42.25	10.4	74.1
12 h after dark	52.1	45.1	59.1