condition mean min max 4 h after light 3.30815 1.49451 6.15808 8 h after light 1.743566 0.457958 3.02557 12 h after light 2.41768 1.5687 3.04467 4 h after dark 3.1679033333333333 2.14851 4.03506 8 h after dark 2.645716666666667 1.53365 3.21287 12 h after dark 3.923316666666667 3.34912 4.86244