condition	mean	min	max
4 h after light	9.6	9.6	9.6
8 h after light	19.3	3.6	35.0
12 h after light	25.1	22.6	27.6
4 h after dark	21.9	4.8	39.0
8 h after dark	38.25	29.0	47.5
12 h after dark	47.7	27.5	67.9