condition	mean	min	max
4 h after light	27.4	27.4	27.4
8 h after light	6.6	4.1	9.1
12 h after light	35.7	34.9	36.5
4 h after dark	18.1	10.9	25.3
8 h after dark	24.5	22.9	26.1
12 h after dark	26.0	11.7	40.3