condition	mean	min	max
4 h after light	3.4779150000000003	2.29621	4.65962
8 h after light	2.87051	2.80353	2.93749
12 h after light	6.53467	6.33941	6.72993
4 h after dark	8.015773333333334	6.49078	9.31058
8 h after dark	8.206093333333333	7.48143	9.45694
12 h after dark	4.04637	3.98832	4.14143