condition	mean	min	max
4 h after light	7.33716	4.0167	9.01187
8 h after light	5.22105	1.1249	9.5952
12 h after light	6.30657	3.59179	9.39847
4 h after dark	10.912396666666666	8.14429	12.3282
8 h after dark	9.739270000000001	6.39641	11.481
12 h after dark	9.93065	8.43045	12.2356