condition	mean	min	max
4 h after light	24.2	24.2	24.2
8 h after light	51.95	50.4	53.5
12 h after light	30.45	26.0	34.9
4 h after dark	46.7	45.6	47.8
8 h after dark	19.7	12.7	26.7
12 h after dark	11.9	7.2	16.6