condition mean min max 3 h after light 2.5715691666666665 1.53029 5.22777 7 h after light 2.811418333333333 1.25328 4.9906 11 h after light 3.0960283333333334 1.84469 4.98052 2 h after dark 2.735155 1.42108 4.16951 6 h after dark 2.295735 1.37936 3.06944 10 h after dark 2.087680833333333 1.08414 3.21571