condition	mean	min	max
4 h after light	1758.2	1758.2	1758.2
8 h after light	1938.2	1924.9	1951.5
12 h after light	1813.5500000000002	1790.4	1836.7
4 h after dark	1916.5	1793.3	2039.7
8 h after dark	1895.45	1612.4	2178.5
12 h after dark	1697.95	1651.7	1744.2