condition mean min max 4 h after light 5187.716666666666 4999.69 5373.41 8 h after light 2588.528 923.394 4210.23 12 h after light 2798.37 1777.3 3929.52 4 h after dark 3381.8866666666668 2805.1 3756.24 8 h after dark 3683.81 2872.18 4096.2 12 h after dark 4255.56 3803.04 5101.02