condition	mean	min	max
4 h after light	3440.5	3440.5	3440.5
8 h after light	2874.0	2461.0	3287.0
12 h after light	2720.2	2680.4	2760.0
4 h after dark	2120.75	1974.6	2266.9
8 h after dark	1960.5	1959.6	1961.4
12 h after dark	1802.5	1756.0	1849.0