condition	mean	min	max
4 h after light	190.8	190.8	190.8
8 h after light	241.45	199.5	283.4
12 h after light	156.65	108.2	205.1
4 h after dark	54.25	14.2	94.3
8 h after dark	61.25	51.7	70.8
12 h after dark	170.8	72.5	269.1