condition	mean	min	max
4 h after light	1521.5700000000002	1498.24	1544.9
8 h after light	1234.775	1225.53	1244.02
12 h after light	1126.085	1096.9	1155.27
4 h after dark	1248.73	1169.71	1327.75
8 h after dark	1612.175	1594.81	1629.54
12 h after dark	1706.07	1628.84	1783.3