condition mean min max 0 h after light 8.369825 7.34818 9.39147 2 h after light 3.27759 3.12666 3.42852 4 h after light 4.64306 4.30859 4.97753 8 h after light 5.06484 4.0196 6.11008 12 h after light 5.400815 4.48202 6.31961 2 h after dark 5.754515 5.67115 5.83788 4 h after dark 6.725115000000001 6.25868 7.19155 8 h after dark 10.3532 10.152 10.5544 12 h after dark 8.133955 7.44981 8.8181