In the last session of the meetings of the Section of Hydrology of the American Geophysical Union in Seattle in June, 1940, a resolution recommending that “the expression of normals of precipitation in future hydrologic studies be defined by the median instead of the arithmetical average” was presented. It was moved, seconded, and passed that the resolution be referred to a committee appointed by Chairman J. C. Stevens, composed of P. E. Church (Chairman), Edward L. Wells, and H. P. Boardman. [See p. 1053, Trans. Amer. Geophys. Union, 1940.] The Committee then weighed both the advantages and disadvantages of the median and the arithmetical average and in so doing numerous arguments, both favorable and unfavorable, were brought