Abstract: The predictive abilities of NOAA normals and running means of 2?30 years length are tested statistically. Heating degree-day (HDD) data from six northern United States sites are tested using root-mean-square error of ...

Abstract: Harmonic analysis, an objective method of analyzing precipitation seasonality, is applied to 1941?70 monthly precipitation normals for nearly 200 stations in the northeastern United States. Our analysis presents distribution ...

Abstract: Stepwise multiple regression analysis applied to annual radial growth increments of mid-latitude hardwood samples indicates that satisfactorily high levels of reduction of the growth variance can he achieved only by utilizing ...