condition	mean	min	max
4 h after light	1142.6	1142.6	1142.6
8 h after light	1067.1	959.2	1175.0
12 h after light	1121.9	1032.5	1211.3
4 h after dark	1185.45	1100.5	1270.4
8 h after dark	1007.55	978.6	1036.5
12 h after dark	1025.85	977.2	1074.5