condition mean min max 3 h after light 1.2513626666666666 0.694758 1.86849 6 h after light 1.2065313333333334 0.689784 1.69748 9 h after light 1.5946033333333334 1.03013 2.41752 12 h after light 3.2921675 2.36001 4.03307 3 h after dark 3.42375 2.77055 3.90249 6 h after dark 4.17309 3.73359 5.01045 9 h after dark 2.8639799999999997 2.42827 3.37132 12 h after dark 2.382835 2.3444 2.42127