condition	mean	min	max
4 h after light	1399.7	1399.7	1399.7
8 h after light	1234.7	1105.9	1363.5
12 h after light	1301.55	976.4	1626.7
4 h after dark	1334.6	1226.1	1443.1
8 h after dark	1120.8	958.3	1283.3
12 h after dark	867.15	865.8	868.5