Show all army amy of unpaid observers of weather hou minds of men and women act 0 unpaid operative cooperative co observers of th ul the e united states weather bureau thanks th to the services of these per bons eons ns dally daily weather records are main to tolled tried at nearly 5 places in this ou and in many cases the records gr ds have bem kept with hardly a bircak cak for 60 50 years or more by an er or by members of the lie same family these records are cent rent monthly to washington and serve as the tile raw material from which climatic statistics are prepare prepared d tor for all parts of the country the bureau supplies to each a it rain gauge a thermometer for registering the highest temperature of the day a minimum thermometer which regi registers stem the tile lovist and a wooden thermometer and screen or shelter the reads his instruments once a day usually about sunset and enters the read ings in his register together with mith a record of various special weather meather aunts such as frosts thunderstorms tornadoes auroras and optical phenomena |