condition	mean	min	max
4 h after light	1392.2	1392.2	1392.2
8 h after light	1424.8	1303.8	1545.8
12 h after light	1323.9	1291.7	1356.1
4 h after dark	1261.85	1140.6	1383.1
8 h after dark	1016.05	859.3	1172.8
12 h after dark	1092.25	965.8	1218.7