condition mean min max 4 h after light 0.201637 0.108178 0.292433 8 h after light 0.1360297 0.0448741 0.234283 12 h after light 0.3838143333333333 0.234063 0.527408 4 h after dark 0.4221506666666667 0.265934 0.530903 8 h after dark 0.584101 0.450696 0.836488 12 h after dark 0.19782873333333334 0.0916952 0.265453