condition mean min max 4 h after light 32.0519595 31.835533 32.268386 8 h after light 28.3610805 23.407662 33.314499 12 h after light 24.6474875 20.598472 28.696503 4 h after dark 22.3426305 22.177909 22.507352 8 h after dark 19.8312765 19.705314 19.957239 12 h after dark 19.228742 19.228742 19.228742