condition	mean	min	max
4 h after light	2406.8	2406.8	2406.8
8 h after light	1887.7	1681.5	2093.9
12 h after light	1522.0	1444.9	1599.1
4 h after dark	1795.85	1661.1	1930.6
8 h after dark	1847.6	1668.3	2026.9
12 h after dark	2285.9	1714.2	2857.6