condition mean min max 2 h after light 1.4542644999999998 0.525825 3.51354 6 h after light 1.345265 0.555488 2.71009 10 h after light 1.2479693333333333 0.567059 2.26847 14 h after light 1.3596538333333332 0.334676 3.62995 18 h after light 1.3468863333333334 0.192287 4.54828 2 h after dark 2.534197 0.540932 8.04542