condition mean min max 3 h after light 0.921955 0.639735 1.18871 6 h after light 1.0630426666666666 0.842958 1.19779 9 h after light 2.069798 0.921024 3.40402 12 h after light 0.9771949999999999 0.659762 1.35896 3 h after dark 2.3369256666666667 0.830307 3.38871 6 h after dark 1.7398133333333334 1.64225 1.8322 9 h after dark 0.48834299999999997 0.186048 0.888473 12 h after dark 0.752328 0.571975 1.08462