condition	mean	min	max
0 h after light	9.233795	9.11323	9.35436
4 h after light	2.23382	1.28079	3.18685
8 h after light	3.1443149999999997	2.5134	3.77523
4 h after dark	7.3786950000000004	6.83402	7.92337
8 h after dark	4.174545	3.93503	4.41406
12 h after dark	6.735965	5.04343	8.4285