condition mean min max 4 h after light 3.2109949999999996 2.39655 4.02544 8 h after light 5.5281649999999996 5.4929 5.56343 12 h after light 7.232855000000001 6.45699 8.00872 4 h after dark 7.731695 7.58417 7.87922 8 h after dark 5.814064999999999 5.76664 5.86149 12 h after dark 5.976475000000001 5.48017 6.47278