condition	mean	min	max
4 h after light	9.226315	8.53177	9.92086
8 h after light	7.73523	7.55302	7.91744
12 h after light	9.926065000000001	9.16093	10.6912
4 h after dark	13.607533333333333	13.0577	14.2006
8 h after dark	13.090666666666667	12.868	13.3642
12 h after dark	10.848	10.4303	11.5222