condition mean min max 3 h after light 21.753466666666668 17.2187 24.6031 6 h after light 16.08053333333333 13.762 18.0007 9 h after light 9.93817 7.88821 10.9825 12 h after light 8.512297499999999 6.11438 11.1918 3 h after dark 8.8875 7.32877 10.5008 6 h after dark 9.1505 8.95854 9.4782 9 h after dark 10.47196 9.67988 11.1955 12 h after dark 11.59225 11.2647 11.9198