condition mean min max 0 h after light 16.36835 15.5364 17.2003 2 h after light 1.37451 1.25719 1.49183 4 h after light 0.7355225000000001 0.675068 0.795977 8 h after light 8.921695 8.84354 8.99985 12 h after light 9.8593 7.7108 12.0078 2 h after dark 47.1633 35.6548 58.6718 4 h after dark 31.6137 27.9194 35.308 8 h after dark 34.2234 28.4256 40.0212 12 h after dark 15.894850000000002 15.0053 16.7844