condition	mean	min	max
4 h after light	2054.2	2054.2	2054.2
8 h after light	1431.8	1350.6	1513.0
12 h after light	1157.45	1109.5	1205.4
4 h after dark	1005.2	942.0	1068.4
8 h after dark	1012.3	765.1	1259.5
12 h after dark	1385.25	911.5	1859.0