CLIMATIC CONDITIONS OF THE UNITED STATES. 



177 



Table 2. — Frost data and length of average frosiless season for 1803 stations in the 

 United Slates. (Plate 34.) — Continued. 



Station. 



Missouri — Continued: 



Hannibal (65) 



Harrisonville (49) 



Houston (50) 



Ironton (50) 



Jackson (50) 



Jefferson City (51) 



Joplin (49) 



Kansas City (51) 



Koshkonong (50) 



Lamar (49) 



Lebanon (49) 



Lexington (51) 



Liberty (51) 



Louisiana (51) 



Macon (51) 



Marble HDl (50) 



Marshall (49) 



Maryville (51) 



Mexico (51) 



Miami (51) 



Mineralspring (49) 



Montreal (49) 



Mountain Grove (49) 



Mt. Vernon (49) 



Neosho (49) 



Nevada (49) 



New Madrid (50) 



Oakfield (50) 



Olden (50) 



Oregon (51) 



Poplar Bluff (50) 



Princeton (51) 



Richmond (51) 



Rolla (50) 



St. Joseph (51) 



St. Louis (66) 



Sedalia (49) 



Seymour (49) 



Shelbina (51) 



Sikeston (50) 



Springfield (49) 



Steffenville (51) 



Sublett (51) 



Trenton (51) 



Unionville (51) 



Warrensburg (49) 



Warrenton (51) 



Wheatland (49) 



Windsor (49) 



Montana: 



Adel (29) 



Agricultural College (27).. 



Anaconda (28) 



Augusta (29) 



Babb (29) 



Altitude. 



feet. 

 534 

 912 



1,280 

 925 

 458 

 628 

 979 

 963 

 911 

 964 



1,265 

 813 

 864 

 500 

 881 

 420 

 779 



1,160 

 797 

 622 



1,490 



1,480 



1,023 



860 



285 



793 



1,246 



1,113 



344 



1,026 



824 



1,092 



825 



568 



889 



781 

 328 



1,350 

 576 



1,000 

 812 



1,072 

 883 

 865 

 920 



5,200 

 4,700 

 5,300 

 4,071 

 4,461 



No. of 

 years of 

 record. 



17 

 19 

 17 

 21 

 17 

 16 



7 

 20 



9 

 18 

 18 

 16 

 18 

 11 



8 

 16 

 16 

 15 

 30 



9 

 12 

 10 



8 

 16 

 17 

 12 



5 

 17 

 17 

 19 



9 

 18 



7 

 13 



8 

 35 

 14 

 12 



8 

 14 

 20 

 14 

 15 

 13 

 15 

 16 

 18 

 13 

 17 



10 



8 



8 



10 



4 



Average date of — 



Last frost 

 in spring. 



Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 

 Apr. 



June 

 May 

 June 

 June 

 June 



16 

 19 

 25 

 28 

 22 

 19 

 15 

 10 

 15 

 18 

 14 

 17 

 20 

 22 

 20 

 19 

 19 

 21 

 16 

 21 

 14 

 19 

 23 

 25 

 24 

 19 

 24 

 16 

 16 

 25 



7 

 24 



7 

 20 

 24 



3 

 19 

 19 

 24 

 10 

 14 

 24 



1 

 20 

 25 

 18 

 21 

 18 

 21 



25 

 28 

 13 

 6 

 19 



First frost 

 in autumn 



Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 



Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 



Oct. 

 Oct. 

 Oct. 



Oct. 

 Oct. 

 Oct. 



Oct. 

 Oct. 



16 

 26 

 9 

 3 

 11 

 15 

 19 



Oct. 23 

 Oct. 22 



17 



17 

 17 



8 

 12 

 16 

 13 

 11 



7 

 16 

 12 

 16 



5 

 14 



8 

 15 

 14 

 20 

 22 

 18 

 14 

 17 



9 

 24 



Oct. 15 



Oct. 17 



Oct. 27 



Oct. 19 



11 

 10 



18 



Oct. 18 

 Oct. 10 



5 



9 



13 



Oct. 17 

 Oct. 15 



8 

 18 



Aug. 24 



Sept. 7 



Sept. 4 



Aug. 25 



Aug. 11 



Length of 

 average 

 frostless 

 season. 



days. 



183 



190 



167 



158 



172 



179 



187 



196 



190 



182 



186 



183 



171 



173 



179 



177 



175 



169 



183 



174 



185 



169 



174 



166 



174 



178 



179 



189 



185 



172 



193 



168 



200 



178 



176 



207 



183 



175 



169 



191 



187 



169 



187 



172 



171 



182 



177 



173 



180 



60 

 102 

 S3 

 80 

 53 



