condition mean min max 4 h after light 10.355846666666666 4.90994 15.3479 8 h after light 7.5301 1.60041 14.8144 12 h after light 7.436223333333333 4.48141 11.6431 4 h after dark 10.471193333333334 7.38588 13.0656 8 h after dark 9.01285 6.2988 12.7392 12 h after dark 12.1869 11.2896 12.7913