condition mean min max 3 h after light 0.08173733333333334 0.0 0.245212 6 h after light 0.0 0.0 0.0 9 h after light 0.062194 0.0 0.186582 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0