condition	mean	min	max
4 h after light	54.1	54.1	54.1
8 h after light	34.7	16.7	52.7
12 h after light	44.55	32.6	56.5
4 h after dark	33.55	22.6	44.5
8 h after dark	87.05	66.8	107.3
12 h after dark	117.95	94.9	141.0