condition	mean	min	max
4 h after light	1761.7	1761.7	1761.7
8 h after light	1532.25	1455.5	1609.0
12 h after light	1730.55	1434.1	2027.0
4 h after dark	1673.45	1584.5	1762.4
8 h after dark	1594.85	1477.4	1712.3
12 h after dark	1419.4	1375.1	1463.7