condition mean min max 4 h after light 10.3106175 10.075548 10.545687 8 h after light 10.7443365 10.554334 10.934339 12 h after light 9.297853499999999 9.138912 9.456795 4 h after dark 10.981852499999999 10.835495 11.12821 8 h after dark 9.997566500000001 9.853868 10.141265 12 h after dark 9.383858 9.383858 9.383858