condition	mean	min	max
4 h after light	8.091635	7.12193	9.06134
8 h after light	7.735495	7.64209	7.8289
12 h after light	4.919175	4.88668	4.95167
4 h after dark	6.704183333333333	6.22612	7.47799
8 h after dark	6.09664	5.61365	6.65394
12 h after dark	6.341006666666667	6.05638	6.60899