condition	mean	min	max
4 h after light	15.3148	12.9782	19.8699
8 h after light	6.86827	3.11235	11.1227
12 h after light	10.30132	6.18475	15.0008
4 h after dark	16.555033333333334	14.5206	19.645
8 h after dark	21.417366666666666	16.9558	26.0167
12 h after dark	27.137	24.5921	30.2864