. Bulletin. Forests and forestry -- United States. TREE-TOP AND OPEN FIELD TEMPERATURES. 65 Tree-top differeiias (IT-âO). + 3" .. --"'â + 2Â° .--" ''â "â¢- â + r 0 ^-~-_ ^ . - 1Â° . -?" ~~ "^^^..^ ^-"^ -3" "^-.^ ^^ â â .^ -^ â_,_ â¢ WINTER. SPRING. SUMMER. AUTUMN, FiQ. lis.âSouiienberar. + 2' + r ^^'"^ _,---" '''-,^ _ 0 ' ~" ^^^ -1Â° . -â-^_ ~^--. -â ^^ ^^- _J>C "^^^ " ^^- ,' -v^^ WINTER. SPRING SUMMER, AUTUMN. rio. Fig. 30.âHagonau. 0 1 ^"^ s:=â. -^- i^^^^iy^ fm^- U^ :. - r ^7" ^ â

. Bulletin. Forests and forestry -- United States. TREE-TOP AND OPEN FIELD TEMPERATURES. 65 Tree-top differeiias (IT-âO). + 3" .. --"'â + 2Â° .--*" '*'â "â¢- â + r 0 ^-~-_ ^ . - 1Â° . -?" ~~ "^^^..^ ^-"^ -3" "^-.^ ^^ â â .^ -^ â_,_ â¢ WINTER. SPRING. SUMMER. AUTUMN, FiQ. lis.âSouiienberar. + 2' + r ^^'"^ _,---" '''-,^ _ 0 ' ~" ^^^ -1Â° . -â-^_ ~^--. -â ^^ ^^- _J>C "^^^ " ^^- ,' -v^^ WINTER. SPRING SUMMER, AUTUMN. rio. Fig. 30.âHagonau. 0 1 ^"^ s:=â. -^- i^^^^iy^ fm^- U^ :. - r ^7" ^ â ^-, .-^ "-^^-"^ -z" WINTER. SPRING. SUMMER. AUTUMN. 1 Pia. 31.âSchoo. + r â¢â ""' V 0 ^^^-^ p.^- "^ -'--TT ^" \ â *"-. - r '^^A WM ^^ W^ 'W^ Z.^ li.^^ -2'' \ ^ii^ -3" \ ^ â -"''' ^ -4-* "V -.â" WINTER. SPRING. SUMMER, AUTUMN. ....MINIMA. 12441âNo. 7- MEAN. _MAXIMA. Via. 3'2.âNi' Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Division of Forestry. Washington : G. P. O.

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