condition mean min max 0 h after light 3.159065 2.72833 3.5898 2 h after light 1.761925 1.70173 1.82212 4 h after light 1.820955 1.48577 2.15614 8 h after light 4.529425 3.75685 5.302 12 h after light 11.619225 9.74295 13.4955 2 h after dark 13.7677 12.5549 14.9805 4 h after dark 9.488949999999999 9.07153 9.90637 8 h after dark 7.70257 7.56281 7.84233 12 h after dark 2.7072000000000003 2.17847 3.23593