condition	mean	min	max
4 h after light	1750.0	1750.0	1750.0
8 h after light	1639.9	1466.2	1813.6
12 h after light	1871.85	1694.8	2048.9
4 h after dark	1754.05	1618.0	1890.1
8 h after dark	1988.9	1943.2	2034.6
12 h after dark	2147.0	1988.2	2305.8