condition	mean	min	max
4 h after light	4.005599999999999	3.75446	4.25674
8 h after light	12.803049999999999	12.2624	13.3437
12 h after light	15.014050000000001	14.5083	15.5198
4 h after dark	22.252	21.6803	22.8237
8 h after dark	13.78105	12.5976	14.9645
12 h after dark	10.07909	9.28348	10.8747