condition	mean	min	max
4 h after light	8450.3	8450.3	8450.3
8 h after light	8166.35	7631.2	8701.5
12 h after light	7661.9	7636.6	7687.2
4 h after dark	7875.349999999999	6856.9	8893.8
8 h after dark	8461.4	7268.4	9654.4
12 h after dark	8044.4	7546.7	8542.1