condition mean min max 0 h after light 0.138616 0.0 0.277232 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.2278385 0.13922 0.316457 2 h after dark 0.0 0.0 0.0 4 h after dark 0.40724249999999995 0.399684 0.414801 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0