U.S. National Oceanic and Atmospheric Administration.2010-02-152010-02-151973http://hdl.handle.net/1969.3/20773n.p.This publication was printed for each State or combination of States based on the period 1941-70. Values of normal monthly and annual mean temperature and precipitation for National Weather Service first-order stations and for a large number of substations are given. Monthly and annual heating and cooling degree day normals are given for a representative number of stations in each State.climatologyatmospheric precipitationstemperature dataclimatic dataBook