condition	mean	min	max
2 h after light	9.772545	3.43802	21.9802
6 h after light	6.754138333333334	4.17289	9.61373
10 h after light	9.093046666666666	4.26953	14.0202
14 h after light	11.368605	5.16937	16.3463
18 h after light	6.472008333333333	2.78221	13.7396
2 h after dark	8.48741	7.20164	11.4214