condition	mean	min	max
4 h after light	1623.9	1623.9	1623.9
8 h after light	1618.65	1587.5	1649.8
12 h after light	1434.15	1422.8	1445.5
4 h after dark	1566.0	1382.7	1749.3
8 h after dark	1574.1	1511.0	1637.2
12 h after dark	1661.65	1642.3	1681.0