condition mean min max 4 h after light 29.8037335 27.650521 31.956946 8 h after light 26.1186045 24.025731 28.211478 12 h after light 36.5457225 29.436244 43.655201 4 h after dark 24.2644445 21.542175 26.986714 8 h after dark 26.98598 26.748277 27.223683 12 h after dark 51.701382 51.701382 51.701382