condition mean min max 4 h after light 1.43579 1.29352 1.57806 8 h after light 2.1635 2.15904 2.16796 12 h after light 2.1277850000000003 1.98121 2.27436 4 h after dark 2.492905 2.16714 2.81867 8 h after dark 1.761895 1.68009 1.8437 12 h after dark 2.186275 1.97191 2.40064