condition	mean	min	max
4 h after light	1790.1	1790.1	1790.1
8 h after light	1697.7	1573.4	1822.0
12 h after light	1774.35	1508.2	2040.5
4 h after dark	1991.05	1359.4	2622.7
8 h after dark	1782.6	1746.3	1818.9
12 h after dark	1808.35	1789.4	1827.3