condition	mean	min	max
4 h after light	1.974225	0.0	3.94845
8 h after light	1.612005	0.0	3.22401
12 h after light	2.611475	0.0	5.22295
4 h after dark	3.441595	0.0	6.88319
8 h after dark	1.72468	0.0	3.44936
12 h after dark	0.0	0.0	0.0