condition	mean	min	max
4 h after light	6244.766666666666	6221.293333	6275.67
8 h after light	8649.88	5805.74	10800.09
12 h after light	9497.198889000001	6967.626667	11033.84667
1.5 h after dark	9521.82111	7528.79	11263.49333
5.5 h after dark	9539.106665666666	7837.3	11039.86333
9.5 h after dark	6751.22	5474.806667	8168.093333