condition mean min max 4 h after light 3.95804 2.34252 5.94404 8 h after light 2.5310289999999998 0.783167 4.28797 12 h after light 3.2877066666666668 2.22913 4.90235 4 h after dark 4.763646666666666 3.08684 6.20465 8 h after dark 4.014426666666667 3.03347 4.74108 12 h after dark 4.33691 3.75311 4.79338