condition	mean	min	max
4 h after light	1416.6	1416.6	1416.6
8 h after light	1560.85	1458.2	1663.5
12 h after light	1538.6999999999998	1415.6	1661.8
4 h after dark	1551.9499999999998	1504.8	1599.1
8 h after dark	1531.4	1204.8	1858.0
12 h after dark	1430.25	1206.1	1654.4