condition mean min max 0 h after light 0.82139 0.0 1.64278 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 0.58745 0.0 1.1749 2 h after dark 0.0 0.0 0.0 4 h after dark 0.4997955 0.0 0.999591 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0