condition	mean	min	max
4 h after light	11925.1	11925.1	11925.1
8 h after light	10743.8	10079.7	11407.9
12 h after light	9540.75	8775.9	10305.6
4 h after dark	7586.25	6905.5	8267.0
8 h after dark	7392.05	7121.6	7662.5
12 h after dark	7728.55	7413.8	8043.3