condition mean min max 0 h after light 12.16565 11.1444 13.1869 2 h after light 4.05186 3.80061 4.30311 4 h after light 2.774905 1.7152 3.83461 8 h after light 8.26375 7.94518 8.58232 12 h after light 10.21874 6.74638 13.6911 2 h after dark 17.0261 14.4865 19.5657 4 h after dark 20.58635 15.6434 25.5293 8 h after dark 6.287765 4.82374 7.75179 12 h after dark 4.9997050000000005 4.6463 5.35311