condition mean min max 3 h after light 8.03729 7.04945 9.86295 6 h after light 7.655763333333333 6.82816 8.62106 9 h after light 9.339523333333334 8.23689 10.3485 12 h after light 11.033032500000001 4.59803 15.585 3 h after dark 14.280866666666666 11.4776 15.968 6 h after dark 10.70275 8.97591 14.041 9 h after dark 5.7444033333333335 3.63548 7.33147 12 h after dark 4.3639 3.67087 5.05693