condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.043504 0.0 0.0935249 12 h after light 0.05290773333333334 0.0 0.0811834 4 h after dark 0.1079838 0.0862614 0.13596 8 h after dark 0.0 0.0 0.0 12 h after dark 0.09561666666666667 0.0381058 0.159352