condition mean min max 3 h after light 1.5490866666666667 1.11318 2.18628 6 h after light 0.946049 0.673897 1.47173 9 h after light 3.4002166666666667 1.37199 6.66085 12 h after light 4.2911125 1.63367 8.26381 3 h after dark 5.677616666666666 5.51553 5.85349 6 h after dark 1.29954 1.2642 1.34589 9 h after dark 0.288842 0.145515 0.413469 12 h after dark 0.7930889999999999 0.694383 0.891795