condition	mean	min	max
4 h after light	1181.1	1181.1	1181.1
8 h after light	1183.9	1168.8	1199.0
12 h after light	1267.45	1183.7	1351.2
4 h after dark	1345.35	1250.0	1440.7
8 h after dark	1338.5	1311.4	1365.6
12 h after dark	1208.9	1201.0	1216.8