condition	mean	min	max
4 h after light	6.46622	5.4634	7.46904
8 h after light	12.20175	11.8127	12.5908
12 h after light	8.9122	8.36942	9.45498
4 h after dark	16.0448	14.2739	17.8157
8 h after dark	13.1119	12.5587	13.6651
12 h after dark	9.716484999999999	9.25577	10.1772