CLIMATIC CONDITIONS OF THE UNITED STATES. 



185 



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

 United States. (Plate 34.) — Continued. 



Station. 



Altitude. 



No. of 

 years of 

 record. 



Average date of — 



Last frost 

 in spring. 



First frost 

 in autumn. 



Length of 

 average 



frostless 

 season. 



Ohio — Continued: 



Oberlin (69) 



Orangeville (69) 



Ottawa (69) 



Pataskala (71) 



Plattsburg (70) 



Pomeroy (71) 



Portsmouth (71) , 



Rocky Ridge (69) .... 



Sandusky (69) 



Shenandoah (69) 



Sidney (70) 



Thurman (71) 



Tiffin (69) 



Toledo (69) 



Upper Sandusky (69). 



Urbana (70) 



Vickery (69) 



Warren (69) 



Wauseon (69) 



Waverly (71) 



Waynesville (70) 



Wellington (69) 



Wooster (69) 



Oklahoma: 



Arapaho (41) 



Beaver (41) 



Blackburn (40) 



Chandler (40) 



Chickaaha (41) 



Cloud Chief (41) 



Dacoma (41) 



Durant (40) 



Enid (41) 



Fairland (40) 



Fort Reno (41) 



Fort Sill (41) 



Guthrie (41) 



Harrington (41) 



Hartshorne (40) 



Healdton (41) 



Hennessy (41) 



Hobart (41) 



HoldenviUe (40) 



Jefferson (41) 



Kenton (41) 



Kingfisher (41) 



Lehigh (H) 



Mangum (41) 



Marlow (41) 



McAlester (40) 



McComb (40) 



Meeker (40) 



Muscogee (40) 



Newkirk (40) 



Norman (41) 



feet. 



855 



945 



720 

 1,050 

 1,130 



690 



527 



590 



629 

 1,100 



985 



696 



775 



769 



854 

 1,031 



588 



900 



780 



590 



700 



856 

 1,030 



1,500 (H) 

 2,500 (H) 



1,200 (H) 



900 (H) 



1,062 (H) 



1,046 (H) 



594 

 1,585 (H) 



17 

 19 

 16 

 16 

 16 

 16 

 19 

 15 

 32 

 17 

 14 

 16 

 22 

 38 

 18 

 13 

 17 

 16 

 40 

 17 

 13 

 15 

 24 



15 



11 



7 



7 



6 



7 



11 



7 



8 



8 



16 



17 



15 



4 



9 



16 



13 



6 



8 



11 



9 



13 



17 

 8 

 7 

 16 

 15 

 10 

 11 

 15 



May 7 



May 17 



May 1 



May 1 



May 3 



Apr. 21 



Apr. 20 



May 6 



Apr. 14 



May 9 



May 3 



Apr. 23 



May 5 



Apr. 24 



May 4 



Apr. 27 



May 9 



May 12 



May 12 



Apr. 29 



May 7 



May 9 



May 7 



Apr. 11 



Apr. 22 



Apr. 15 



Apr. 2 



Apr. 1 



Apr. 17 



Apr. 13 



Mar. 23 



Apr. 2 



Apr. 16 



Apr. 11 



Apr. 1 



Mar. 28 



Apr. 23 



Apr. 1 



Apr. 6 



Apr. 6 



Apr. 19 



Mar. 25 



Apr. 13 



Apr. 28 



Apr. 6 



Apr. 4 



Mar. 30 



Mar. 30 



Mar. 17 



Apr. 6 



Apr. 7 



Mar. 30 



Apr. 10 



Apr. 4 



Oct. 7 



Sept. 30 



Oct. 3 



Oct. 3 



Sept. 30 



Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 

 Oct. 



7 



14 



6 



26 



3 



4 



7 



3 



15 



4 



2 



5 



2 



Sept. 27 



Oct. 8 



Oct. 4 



Oct. 7 



Oct. 3 



Oct. 

 Oct. 



Oct. 

 Oct. 

 Oct. 



Oct. 

 Oct. 

 Nov. 



Nov. 



Oct. 



Oct. 



Oct. 

 Oct. 



21 



18 



Oct. 21 

 Oct. 22 



31 

 25 

 29 



Nov. 12 

 Oct. 24 



24 



29 



1 



Oc.t. 29 

 Oct. 25 



6 

 29 

 30 



Oct. 23 

 Nov. 5 

 Oct. 28 



12 

 25 



Oct. 21 

 1 

 3 



8 



Nov. 

 Nov. 

 Nov. 

 Oct. 24 

 Oct. 20 

 Nov. 2 

 Oct. 24 

 Oct. 29 



days. 



153 



136 



155 



155 



150 



169 



177 



153 



195 



147 



154 



167 



151 



174 



153 



158 



149 



143 



138 



162 



150 



151 



149 



193 

 179 

 189 

 203 

 213 

 191 

 199 

 234 

 205 

 191 

 201 

 214 

 215 

 185 

 219 

 206 

 207 

 187 

 225 

 198 

 167 

 202 

 200 

 216 

 218 

 236 

 201 

 196 

 217 

 197 

 208 



