condition	mean	min	max
4 h after light	4.738605	4.27484	5.20237
8 h after light	5.46526	5.2193	5.71122
12 h after light	6.80697	6.37486	7.23908
4 h after dark	7.898815000000001	7.18546	8.61217
8 h after dark	7.2219999999999995	7.01907	7.42493
12 h after dark	7.436915	7.32988	7.54395