condition mean min max 3 h after light 20.5186 19.1966 21.3235 6 h after light 20.5856 16.5413 23.8764 9 h after light 21.038433333333334 16.3172 24.7487 12 h after light 25.7695 21.6875 31.202 3 h after dark 41.03543333333334 38.57 42.426 6 h after dark 29.6661 27.0424 33.6707 9 h after dark 22.5069 21.4968 23.62 12 h after dark 18.85255 17.0852 20.6199