condition mean min max 4 h after light 4.58387 3.26519 6.05128 8 h after light 3.3161033333333334 1.71031 4.59977 12 h after light 5.52692 3.5311 7.72594 4 h after dark 7.97811 5.69618 9.89925 8 h after dark 5.8460133333333335 4.53552 7.42725 12 h after dark 4.558746666666666 3.90802 5.41416