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 0.0294203 0.0 0.0882609 4 h after dark 0.0 0.0 0.0 8 h after dark 0.016262633333333335 0.0 0.0487879 12 h after dark 0.009115633333333333 0.0 0.0273469