condition mean min max 4 h after light 0.545764 0.245313 0.846215 8 h after light 0.3854025 0.267902 0.502903 12 h after light 0.7379245 0.694445 0.781404 4 h after dark 1.2672683333333332 0.926329 1.93024 8 h after dark 1.117338 0.327149 2.2898 12 h after dark 1.247699 0.673087 1.69966