condition	mean	min	max
4 h after light	1567.9	1567.9	1567.9
8 h after light	1144.75	877.6	1411.9
12 h after light	391.6	34.6	748.6
4 h after dark	55.85	37.0	74.7
8 h after dark	98.5	89.2	107.8
12 h after dark	208.95	102.7	315.2