condition	mean	min	max
4 h after light	1678.1	1678.1	1678.1
8 h after light	1487.0	1472.2	1501.8
12 h after light	1518.5500000000002	1354.7	1682.4
4 h after dark	1296.3	948.5	1644.1
8 h after dark	1179.45	1107.0	1251.9
12 h after dark	1196.05	1168.6	1223.5