condition mean min max 4 h after light 13.620320000000001 9.13606 19.1047 8 h after light 8.583523333333334 2.51241 14.5668 12 h after light 4.86619 3.26026 6.97652 4 h after dark 8.74813 5.94029 11.5744 8 h after dark 16.283933333333334 10.3344 21.1954 12 h after dark 27.40673333333333 24.7516 30.1508