condition	mean	min	max
4 h after light	1605.2	1605.2	1605.2
8 h after light	1678.5	1486.0	1871.0
12 h after light	2353.35	1820.0	2886.7
4 h after dark	2512.6	2474.5	2550.7
8 h after dark	2105.8	2038.6	2173.0
12 h after dark	1816.15	1679.4	1952.9