condition mean min max 0 h after light 0.0840535 0.0 0.168107 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.07646249999999999 0.0750433 0.0778817 8 h after dark 0.04391 0.0 0.08782 12 h after dark 0.0 0.0 0.0