condition mean min max 0 h after light 34.7531 34.7348 34.7714 4 h after light 13.636199999999999 12.8196 14.4528 8 h after light 10.170075 9.42535 10.9148 4 h after dark 16.726599999999998 13.8341 19.6191 8 h after dark 20.322 17.9474 22.6966 12 h after dark 32.2071 27.3286 37.0856