condition mean min max 4 h after light 10.1503555 9.918354 10.382357 8 h after light 9.46283 9.14795 9.77771 12 h after light 10.201497 10.007374 10.39562 4 h after dark 9.605679 9.293004 9.918354 8 h after dark 10.563743500000001 10.304104 10.823383 12 h after dark 9.918354 9.918354 9.918354