condition	mean	min	max
4 h after light	1505.4	1505.4	1505.4
8 h after light	1506.55	1361.5	1651.6
12 h after light	1344.75	1289.7	1399.8
4 h after dark	1620.4499999999998	1479.6	1761.3
8 h after dark	1625.85	1411.0	1840.7
12 h after dark	1730.1	1701.2	1759.0