condition mean min max 3 h after light 17.515066666666666 16.125 19.3597 6 h after light 23.8572 16.8165 32.5539 9 h after light 46.4845 37.6438 54.7979 12 h after light 47.7968225 8.56469 62.2087 3 h after dark 38.133 35.8889 41.399 6 h after dark 17.7425 16.9531 19.1773 9 h after dark 9.799783333333334 8.36235 10.8049 12 h after dark 7.564344999999999 7.14786 7.98083