condition mean min max 0 h after light 0.944625 0.943783 0.945467 4 h after light 0.961645 0.0 1.92329 8 h after light 0.480357 0.0 0.960714 4 h after dark 2.782574 0.930578 4.63457 8 h after dark 0.4647545 0.0 0.929509 12 h after dark 2.3152275 0.942515 3.68794