condition	mean	min	max
4 h after light	1567.3	1567.3	1567.3
8 h after light	1721.35	1708.3	1734.4
12 h after light	1307.65	1303.6	1311.7
4 h after dark	1224.4	1128.8	1320.0
8 h after dark	1664.45	1558.0	1770.9
12 h after dark	1692.75	1609.1	1776.4