condition mean min max 4 h after light 8.095356666666667 6.41501 10.7553 8 h after light 7.37941 2.12375 13.3219 12 h after light 9.851140000000001 6.76002 12.6701 4 h after dark 13.7804 11.8061 17.0366 8 h after dark 12.663916666666667 8.40725 19.0939 12 h after dark 12.407733333333333 11.1394 14.759