condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.344128 0.294215 0.394041 12 h after light 0.47885885 0.0953267 0.862391 4 h after dark 0.59946 0.382334 0.816586 8 h after dark 0.1725745 0.124803 0.220346 12 h after dark 0.02609185 0.0 0.0521837