condition	mean	min	max
4 h after light	4.329615	3.85285	4.80638
8 h after light	4.912665	4.69626	5.12907
12 h after light	5.9178	5.61467	6.22093
4 h after dark	7.714205	7.67265	7.75576
8 h after dark	5.800825	5.58884	6.01281
12 h after dark	5.574125	5.55585	5.5924