condition mean min max 4 h after light 12.064183 10.849065 13.279301 8 h after light 11.961287 11.27993 12.642644 12 h after light 10.3928325 9.956598 10.829067 4 h after dark 11.706762000000001 11.285764 12.12776 8 h after dark 9.234209499999999 9.100211 9.368208 12 h after dark 8.143496 8.143496 8.143496