condition	mean	min	max
4 h after light	198.6	198.6	198.6
8 h after light	160.3	133.4	187.2
12 h after light	115.5	114.9	116.1
4 h after dark	98.1	87.7	108.5
8 h after dark	103.4	88.8	118.0
12 h after dark	118.5	118.4	118.6