condition mean min max 4 h after light 27.729400000000002 19.8409 32.3812 8 h after light 21.02023 7.36559 31.0839 12 h after light 23.505633333333332 14.7621 35.3936 4 h after dark 30.871533333333335 23.5674 37.2578 8 h after dark 29.922433333333334 23.5097 34.0763 12 h after dark 27.4938 26.9485 28.3414