condition	mean	min	max
4 h after light	5.4358	4.60347	6.26813
8 h after light	8.305445	8.0242	8.58669
12 h after light	9.27064	7.47138	11.0699
4 h after dark	12.0783	11.7064	12.4502
8 h after dark	9.98795	9.1341	10.8418
12 h after dark	8.498075	8.43793	8.55822