condition	mean	min	max
4 h after light	3.819230333333333	3.276389	4.586469999999999
8 h after light	2.3636636666666666	1.581373	2.779316
12 h after light	1.6582793333333332	1.611061	1.7515009999999998
16 h after light	4.572955	2.742534	7.117750999999999
4 h after dark	7.676372333333333	2.4388520000000002	18.10071
8 h after dark	1.736243	1.682448	1.7865520000000001