condition mean min max 3 h after light 0.7921596666666667 0.186429 1.42385 6 h after light 0.7576213333333334 0.65674 0.941235 9 h after light 1.71156 1.06024 2.40311 12 h after light 1.568605 1.04396 2.19254 3 h after dark 1.894812 0.959886 3.38077 6 h after dark 1.83374 1.14767 2.19752 9 h after dark 1.5868633333333333 1.04899 1.97442 12 h after dark 1.23647 1.14068 1.33226