condition	mean	min	max
4 h after light	27.65215	21.8304	33.4739
8 h after light	11.0611	10.4084	11.7138
12 h after light	6.02959	4.07653	7.98265
4 h after dark	2.2696633333333334	0.0	5.0903
8 h after dark	11.9812	10.7735	12.7249
12 h after dark	13.7018	13.4816	14.0445