condition mean min max 4 h after light 0.265209 0.0 0.530418 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.04771966666666667 0.0 0.143159