condition	mean	min	max
4 h after light	1112.9	1112.9	1112.9
8 h after light	1065.5	922.0	1209.0
12 h after light	1255.4	965.8	1545.0
4 h after dark	1581.75	1443.1	1720.4
8 h after dark	1533.25	1506.9	1559.6
12 h after dark	1224.8	1168.0	1281.6