condition	mean	min	max
4 h after light	5.97598	5.11409	6.83787
8 h after light	8.560285	8.32661	8.79396
12 h after light	9.323170000000001	8.20564	10.4407
4 h after dark	10.320873333333333	9.49602	10.8033
8 h after dark	8.68446	8.17958	9.31973
12 h after dark	6.52201	5.86965	6.97336