. Smithsonian miscellaneous collections . 4 1867 . 1868 . 1869 . . . 1870 . 1871 . 1872 . 1878 . . 1874 4


. Smithsonian miscellaneous collections . 4 1867 . 1868 . 1869 . . . 1870 . 1871 . 1872 . 1878 . . 1874 . 1876 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 79 (WHOLE VOLUME) WORLD WEATHER RECORDS COLLECTED FROM OFFICIAL SOURCES BYDR. FELIX EXNER SIR GILBERT WALKER DR. G. G. SIMPSON H. HELM CLAYTON ROBERT C. MOSSMAN ASSEMBLED AND ARRANGED FOR PUBLICATION BYH. HELM CLAYTON PUBLISHED UNDER GRANT FROM JOHN A. ROEBLING. (Publication 2913) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION AUGUST 23, 1927 BALTIMORE, MD., U. 8. A. PREFACE This collection of data is published in response to the need expressedby the following resolution passed by the International MeteorologicalConference in session at Utrecht in September 1923: RESOLUTION 13. (4) V. Considering Professor Exners proposal about the calculationof the correlations between weather-anomalies in regions far from each other,the Conference thinks that publication of long and homogeneous series ofobservations in the form of monthlj means of pressure, temperature, andrainfall would be of the highest importance for the study of the generalcirculation of the atmosphere. This publication should comprise a smallnumber of stations at a mutual distance of 500 to 1000 kilometers, preferablybelonging to the Reseau Mondial, and if these should fail, other stations witha longer homogeneous series. It propos


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