condition mean min max 4 h after light 16.9015 16.6348 17.1682 8 h after light 18.6052 17.4933 19.7171 12 h after light 24.6757 24.0808 25.2706 4 h after dark 24.42855 23.0904 25.7667 8 h after dark 24.027700000000003 23.6445 24.4109 12 h after dark 22.1359 21.7322 22.5396