condition	mean	min	max
4 h after light	7323.5	7323.5	7323.5
8 h after light	7690.0	7537.1	7842.9
12 h after light	8068.450000000001	7843.2	8293.7
4 h after dark	9612.1	8189.0	11035.2
8 h after dark	10488.8	9732.9	11244.7
12 h after dark	10883.4	10213.9	11552.9