condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.034046 0.0 0.102138 9 h after light 0.0 0.0 0.0 12 h after light 0.052101275 0.0 0.100779 3 h after dark 0.04166366666666667 0.0 0.062497 6 h after dark 0.0298079 0.0 0.0894237 9 h after dark 0.0 0.0 0.0 12 h after dark 0.04818995 0.0 0.0963799