condition mean min max 3 h after light 17.201066666666666 14.1514 19.0049 6 h after light 19.0898 10.1656 26.8503 9 h after light 23.9104 16.4534 32.3066 12 h after light 32.862775 25.771 41.4647 3 h after dark 44.70216666666667 38.2612 53.4959 6 h after dark 30.7246 28.5498 32.0013 9 h after dark 20.50796666666667 19.3745 21.6274 12 h after dark 18.3297 15.2384 21.421