condition mean min max 4 h after light 2405.189037 1243.578211 3566.799863 8 h after light 2514.4578965 2179.572747 2849.343046 12 h after light 2058.4325975 1761.555704 2355.309491 4 h after dark 1090.8833184999999 411.415518 1770.351119 8 h after dark 922.212366 743.924364 1100.500368 12 h after dark 818.74884 818.74884 818.74884