condition	mean	min	max
4 h after light	1533.9	1533.9	1533.9
8 h after light	1612.0	1538.1	1685.9
12 h after light	1551.0	1289.5	1812.5
4 h after dark	1424.15	1285.5	1562.8
8 h after dark	1257.95	1079.7	1436.2
12 h after dark	1109.3	1077.0	1141.6