condition	mean	min	max
4 h after light	1247.5	1247.5	1247.5
8 h after light	1446.0	1006.4	1885.6
12 h after light	1989.5	1764.9	2214.1
4 h after dark	1647.8	1351.3	1944.3
8 h after dark	1079.25	1048.0	1110.5
12 h after dark	707.95	528.6	887.3