condition	mean	min	max
4 h after light	7.420540000000001	6.70413	8.13695
8 h after light	7.565135	7.56485	7.56542
12 h after light	8.756409999999999	7.51552	9.9973
4 h after dark	8.38495	7.51776	9.38448
8 h after dark	8.29261	7.88558	8.59237
12 h after dark	8.613996666666667	7.89955	9.85028