condition mean min max 0 h after light 7.267925 6.61258 7.92327 4 h after light 14.88525 14.4455 15.325 8 h after light 11.194949999999999 10.7753 11.6146 4 h after dark 13.588000000000001 13.2958 13.8802 8 h after dark 12.62715 11.7184 13.5359 12 h after dark 9.08338 8.28699 9.87977