condition	mean	min	max
4 h after light	1115.4	1115.4	1115.4
8 h after light	1021.65	905.8	1137.5
12 h after light	1088.3	1000.6	1176.0
4 h after dark	1238.9	1194.8	1283.0
8 h after dark	1317.6	1278.3	1356.9
12 h after dark	1286.65	1256.3	1317.0