condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0275564 0.0 0.0551128 12 h after light 0.03333235 0.0 0.0666647 4 h after dark 0.04392785 0.0 0.0878557 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0