condition	mean	min	max
4 h after light	18.2	18.2	18.2
8 h after light	39.6	32.7	46.5
12 h after light	53.45	46.2	60.7
4 h after dark	27.95	5.8	50.1
8 h after dark	29.6	6.0	53.2
12 h after dark	13.100000000000001	7.9	18.3