condition	mean	min	max
0 h after light	5.25141	5.16905	5.33377
4 h after light	4.12344	4.01697	4.22991
8 h after light	4.227265	3.55621	4.89832
4 h after dark	6.01917	5.92172	6.11662
8 h after dark	5.53315	5.5277	5.5386
12 h after dark	6.01812	5.49377	6.54247