condition mean min max 0 h after light 3.491385 3.29859 3.68418 2 h after light 1.499835 1.38875 1.61092 4 h after light 3.60079 3.55671 3.64487 8 h after light 3.420015 2.72525 4.11478 12 h after light 4.123620000000001 4.05836 4.18888 2 h after dark 6.693145 6.32495 7.06134 4 h after dark 7.55838 7.01444 8.10232 8 h after dark 5.98946 5.90355 6.07537 12 h after dark 3.791475 3.47705 4.1059