condition	mean	min	max
4 h after light	7.781515000000001	5.7071	9.85593
8 h after light	7.339335	6.08558	8.59309
12 h after light	9.171009999999999	8.02152	10.3205
4 h after dark	13.944766666666666	10.0463	16.9894
8 h after dark	12.517013333333333	9.21094	15.8295
12 h after dark	9.302673333333333	8.28365	10.9459