condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.04861783333333333 0.0 0.0844558 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0297833 0.0 0.0893499 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0