condition mean min max 4 h after light 10.909980000000001 9.74996 12.07 8 h after light 18.65605 18.3191 18.993 12 h after light 13.94415 13.5067 14.3816 4 h after dark 26.9179 24.5227 29.3131 8 h after dark 22.6601 22.2193 23.1009 12 h after dark 18.780749999999998 16.8788 20.6827