condition	mean	min	max
4 h after light	1131.9	1131.9	1131.9
8 h after light	1195.95	1031.7	1360.2
12 h after light	970.1	868.2	1072.0
4 h after dark	1011.15	967.7	1054.6
8 h after dark	1272.15	1271.4	1272.9
12 h after dark	1233.75	1177.2	1290.3