condition	mean	min	max
0 h after light	8.909044999999999	8.22046	9.59763
4 h after light	4.15313	3.06317	5.24309
8 h after light	2.341395	2.1132	2.56959
4 h after dark	3.583665	3.14666	4.02067
8 h after dark	4.46568	4.30291	4.62845
12 h after dark	7.893549999999999	5.1217	10.6654