condition mean min max 0 h after light 2.058805 1.79858 2.31903 4 h after light 3.8576550000000003 3.65872 4.05659 8 h after light 4.33111 2.74138 5.92084 4 h after dark 3.38632 3.37964 3.393 8 h after dark 3.477055 3.41766 3.53645 12 h after dark 2.397875 2.0918 2.70395