condition mean min max 3 h after light 1.94231 1.79755 2.05932 6 h after light 1.5108506666666666 0.976092 1.81508 9 h after light 1.79003 1.06942 2.2561 12 h after light 2.3907000000000003 1.72407 3.18753 3 h after dark 2.2549733333333335 1.39703 2.96153 6 h after dark 1.9067666666666667 1.05943 2.58203 9 h after dark 1.9923199999999999 1.67499 2.44766 12 h after dark 1.324439 0.999108 1.64977