condition mean min max 3 h after light 0.907784 0.66119 1.36093 6 h after light 0.9795246666666667 0.437079 1.76957 9 h after light 0.32032 0.0 0.651934 12 h after light 0.777595 0.431264 1.01804 3 h after dark 1.41217 1.20344 1.74934 6 h after dark 2.0620866666666666 1.65314 2.62638 9 h after dark 0.806002 0.676084 0.979725 12 h after dark 0.141343 0.11771 0.164976