condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.1518365 0.0 0.303673 12 h after light 0.25556599999999996 0.15725 0.353882 4 h after dark 0.22594633333333333 0.0 0.428078 8 h after dark 0.17283400000000002 0.0 0.518502 12 h after dark 0.10160933333333333 0.0 0.304828