condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.04641466666666667 0.0 0.139244 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0