condition mean min max 3 h after light 28.126033333333332 23.7076 31.4031 6 h after light 21.1872 18.8808 23.1535 9 h after light 17.248033333333332 15.9306 18.8529 12 h after light 24.123224999999998 17.7079 33.6031 3 h after dark 30.744133333333334 28.5563 33.8012 6 h after dark 53.28766666666667 50.2101 55.8049 9 h after dark 59.059599999999996 56.4728 62.1177 12 h after dark 32.717150000000004 30.9415 34.4928