condition	mean	min	max
4 h after light	1660.5	1660.5	1660.5
8 h after light	1699.1	1431.9	1966.3
12 h after light	1913.15	1753.8	2072.5
4 h after dark	1645.4499999999998	1391.3	1899.6
8 h after dark	1217.95	1132.9	1303.0
12 h after dark	1051.65	967.4	1135.9