condition mean min max 0 h after light 49.3891 48.6705 50.1077 4 h after light 19.0848 17.409 20.7606 8 h after light 12.49565 12.0522 12.9391 4 h after dark 33.3564 32.5797 34.1331 8 h after dark 39.397149999999996 39.1121 39.6822 12 h after dark 38.743449999999996 37.7951 39.6918