condition mean min max 4 h after light 23.3007 20.7566 25.8448 8 h after light 19.12935 18.3604 19.8983 12 h after light 22.5771 20.4283 24.7259 4 h after dark 24.1232 23.1769 25.0695 8 h after dark 27.382849999999998 26.4257 28.34 12 h after dark 26.9834 25.6505 28.3163