condition mean min max 4 h after light 401.089388 369.252552 432.926224 8 h after light 576.2963975 498.347253 654.245542 12 h after light 408.0849815 350.075965 466.093998 4 h after dark 455.37358500000005 368.473099 542.274071 8 h after dark 450.80808950000005 318.614891 583.001288 12 h after dark 330.361599 330.361599 330.361599