condition	mean	min	max
4 h after light	1.9557385	0.879077	3.0324
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	2.894336666666667	1.97628	3.38724
8 h after dark	4.88429	0.0	12.3082
12 h after dark	7.046973333333333	2.412	12.1814