condition	mean	min	max
4 h after light	1.221649	0.749208	1.69409
8 h after light	0.4836745	0.284629	0.68272
12 h after light	4.677095	4.30385	5.05034
4 h after dark	13.067866666666667	12.6301	13.7693
8 h after dark	10.171100000000001	9.6297	10.601
12 h after dark	6.659913333333333	5.84387	7.22312