condition	mean	min	max
4 h after light	1.53097	1.33037	1.73157
8 h after light	1.479235	1.37689	1.58158
12 h after light	1.57305	1.54187	1.60423
4 h after dark	2.41058	2.18358	2.84882
8 h after dark	1.7616966666666667	1.62204	1.98362
12 h after dark	1.6969766666666666	1.48756	1.85412