condition mean min max 4 h after light 4.27929 2.70417 6.21777 8 h after light 1.7585979999999999 0.442744 3.70552 12 h after light 1.6268693333333333 0.758198 2.5103 4 h after dark 4.17875 3.17251 5.81481 8 h after dark 5.166156666666667 3.93461 6.09803 12 h after dark 4.889033333333333 4.03959 5.96307