condition	mean	min	max
4 h after light	1245.5	1245.5	1245.5
8 h after light	1317.65	1270.6	1364.7
12 h after light	1249.25	1213.0	1285.5
4 h after dark	1340.5500000000002	1162.4	1518.7
8 h after dark	1563.15	1546.5	1579.8
12 h after dark	1567.4	1553.8	1581.0