condition mean min max 2 h after light 0.09960745 0.0 0.27195 6 h after light 0.07688601666666667 0.0 0.146377 10 h after light 0.16358495 0.0 0.518611 14 h after light 0.15662255 0.0 0.299693 18 h after light 0.28816316666666664 0.197167 0.40869 2 h after dark 0.1685584 0.0796017 0.25378