condition mean min max 3 h after light 19.9738 17.6472 21.8786 6 h after light 30.74556666666667 23.8748 38.258 9 h after light 36.68376666666667 35.7837 38.3765 12 h after light 30.9775 27.3393 34.3138 3 h after dark 33.0575 27.5582 36.2871 6 h after dark 26.238400000000002 23.8805 27.4873 9 h after dark 20.8343 18.6973 24.6125 12 h after dark 14.936533333333333 11.5419 20.8264