condition	mean	min	max
4 h after light	21.6	21.6	21.6
8 h after light	49.7	47.3	52.1
12 h after light	22.85	9.7	36.0
4 h after dark	34.5	28.7	40.3
8 h after dark	35.65	27.8	43.5
12 h after dark	22.3	9.6	35.0