condition mean min max 4 h after light 12.230699999999999 12.2054 12.256 8 h after light 10.06755 10.0282 10.1069 12 h after light 11.01905 10.6556 11.3825 4 h after dark 14.8476 14.5169 15.0966 8 h after dark 16.024033333333335 15.5547 16.4021 12 h after dark 16.161266666666666 15.2027 16.8682