اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Vol. -19, 18 -1909, issued by the North Dakota Section of the Climatological Service (18 -Jan. 1906, Climate and Crop Service) of the Weather Bureau, U.S. Dept. of Agriculture; v. 24-74, 1914-65, by the U.S. Weather Bureau
Data for July 1909-Dec. 1913 published in Monthly weather review. Data for Jan. 1914-June 1948 also in U.S. Weather Bureau. Climatological data for the United States by sections