condition mean min max 4 h after light 9.911495 8.51589 11.3071 8 h after light 9.122285 8.85991 9.38466 12 h after light 8.449819999999999 7.89545 9.00419 4 h after dark 11.2495 10.6763 11.5993 8 h after dark 12.861266666666667 12.0632 14.2482 12 h after dark 9.936663333333334 8.87869 10.7551