condition	mean	min	max
4 h after light	3.4206700000000003	0.0	7.45077
8 h after light	6.1650306666666665	0.511072	9.37923
12 h after light	5.84577	3.52726	8.86166
4 h after dark	13.26801	8.79233	16.6057
8 h after dark	9.309623333333334	5.56943	16.0649
12 h after dark	11.076936666666667	7.77146	17.4052