condition	mean	min	max
4 h after light	990.5	990.5	990.5
8 h after light	994.0	700.3	1287.7
12 h after light	819.55	695.3	943.8
4 h after dark	982.75	844.7	1120.8
8 h after dark	1164.7	971.6	1357.8
12 h after dark	1047.9	947.5	1148.3