condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.22243016666666665 0.0 0.517817 10 h after light 0.0857845 0.0 0.514707 14 h after light 0.5403018333333334 0.0 1.61362 18 h after light 0.0998685 0.0 0.349033 2 h after dark 0.104788 0.0 0.370254