condition	mean	min	max
4 h after light	27.3	27.3	27.3
8 h after light	43.45	18.5	68.4
12 h after light	49.5	39.7	59.3
4 h after dark	37.35	34.0	40.7
8 h after dark	51.7	44.1	59.3
12 h after dark	40.4	25.4	55.4