condition mean min max 0 h after light 1.29651 1.23961 1.35341 4 h after light 1.0249890000000001 0.906218 1.14376 8 h after light 2.5450850000000003 2.29542 2.79475 4 h after dark 2.32085 2.13516 2.50654 8 h after dark 1.415695 1.25678 1.57461 12 h after dark 1.48966 1.47326 1.50606