condition	mean	min	max
4 h after light	8402.9	8402.9	8402.9
8 h after light	8173.549999999999	7950.8	8396.3
12 h after light	7665.0	7369.7	7960.3
4 h after dark	7440.65	6499.8	8381.5
8 h after dark	7826.8	7793.1	7860.5
12 h after dark	7979.65	7832.4	8126.9