condition	mean	min	max
4 h after light	1507.5	1507.5	1507.5
8 h after light	1529.9	1511.2	1548.6
12 h after light	1607.75	1436.4	1779.1
4 h after dark	1912.9	1537.8	2288.0
8 h after dark	2552.7	2426.6	2678.8
12 h after dark	2342.9	2279.4	2406.4