condition	mean	min	max
4 h after light	4842.5	4842.5	4842.5
8 h after light	7080.75	6104.7	8056.8
12 h after light	8204.45	8162.1	8246.8
4 h after dark	8977.05	8402.2	9551.9
8 h after dark	6249.0	4387.1	8110.9
12 h after dark	5138.4	3692.6	6584.2