condition	mean	min	max
4 h after light	5.4319	4.76171	6.10209
8 h after light	2.6642799999999998	2.63344	2.69512
12 h after light	4.09591	4.00461	4.18721
4 h after dark	5.50117	5.32696	5.67538
8 h after dark	9.292505	9.11579	9.46922
12 h after dark	6.375814999999999	6.24112	6.51051