condition	mean	min	max
4 h after light	18.2	18.2	18.2
8 h after light	12.0	9.9	14.1
12 h after light	6.35	4.9	7.8
4 h after dark	36.6	27.7	45.5
8 h after dark	14.899999999999999	11.4	18.4
12 h after dark	26.45	24.9	28.0