2 Prof. Kupffer on the Mean Temperature qflrkoutsk, in Siberia. 



Jan. 

 Feb. 

 Mar. 



April 



May 



June 



July 



Aug. 



Sept. 



Oct 



Nov. 



Dec. 



Jan. 



Feb. 



Mar. 



April 



May 



June 



July 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Jan. 



Feb. 



Mar. 



April 



May 



June 



July 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



1822. 



7 b a.m. 2 h p.m. 9 b ?.m. Mean 



-21-93 

 1143 



- 206 



-r- 1-45 



6-97 

 11-20 



12-79 

 8-oo! 



+ 2-58! 



— 306 

 1413 



-1903 



-12-45 



- 4*18 

 + 4-76 



8-93 

 15-00 

 1733 

 20-20 

 1516 



9-96 

 + 2-16 



- 773 

 -14-26 



-20-85 

 971 



- 0-66 

 + 2-40 



6-84 

 11-50 

 13-21 



903 

 -r- 3-02 



- 2-76 

 13-43 



-18-19 



-18-41 



- 8-44 

 + 0-68 



426 



9-60 



13-34 



15-40 



10-73 



4- 519 



— 1-22 

 11-76 



-1716 



1823. 



7 h A.M. 2 h p.m. 9 h p.m. Mean 



-18 

 14 



- !■ 

 + o 



6 

 12 

 13 



8' 

 J r I' 



- 4 

 10 



-20 



-U-04 



- 7-10 



-f 2-09 



8-00 



13-80 



20-60 



19-39 



1471 



9'01 



-|- 1-06 



- 4-83 

 -15-32 



-18-00 

 14-32 



- 6-30 

 -f- 2-00 



6-42 

 1116 

 12-32 



8-23 

 •f 2-73 



- 4-58 

 970 



-20-58 



1824. 



1825. 



-16-58 

 13-20 



- 6-75 

 + 3-70 



8-09 

 1170 

 1350 



9-45 

 -f 3-13 



- 222 

 10-78 



-1316 



-19-64 

 1817 



- 8-53 

 + 3-43 



6-48 

 14-33 

 12-23 



9-00 

 + 176 



- 2-25 

 1200 



-16-93 



-10-00 



- 4-27 

 -J- 1-60 



10-86 

 1373 

 16-63 

 1790 

 1377 

 8-00 

 -f 1-07 



- 610 



- 8-61 



-15-24 

 12-40 



- 4-47 

 + 4-56 



8-51 



12-57 



13-77 



1011 



+ 3-46 



- 1-51 

 10-06 



-U-68 



-13-94 

 996 



- 3-21 

 + 6-37 



101 

 1363 

 15-06 

 1 

 + 



- 0-89 



1 



4-86 + 



1826. 



-10-39 



- 7-60 

 + 1-83 



12-60 

 15-24 

 20-23 

 18-39 

 14-20 

 10-26 

 + 3-58 



- 6-23 



- 9-93 



-17-74 

 15-32 



- 4-77 

 + 3-30 



6-95 

 13-60 

 12-26 



9-50 

 -I- 3'63 



- 215 

 10-93 



-1516 



1115 



-15-92 

 13-70 



- 3-82 

 + 6-44 



9-62 



1605 



14-30 



10-90 



-h 5-22 



- 0-27 

 972 



- 4-01 



-18-03 



16-00 



- 8-04 



+ 0-76 



8-90 



12-80 



10-87 



9-16 



2-30 



2-85 



10-53 



-21-58 



—1003 



- 7-67 

 + 1-48 



1210 

 16-42 

 20-53 

 1322 

 14*16 

 916 

 -f 1*93 



- 3-36 

 -1393 



-15-80 

 1371 



- 519 

 + 2-06 



8-29 

 12-36 

 11-00 



9-95 

 + 2-96 



- 2-74 

 8-16 



- 20-09, 



1827. 



- 18-16 

 1314 



- 5-04 

 + 0-70 



8-52 



1393 



1300 



8-42 



4- 2;41 



- 3-25 

 10-90 



-1932 



-11-32 



- 4-52 

 -f 5-00 



8-40 



17-17 

 20-60 

 20-43 

 14-68 

 11-90 

 + 3'8 4 



- 616 

 -12-16 



-16-59 



- 9-42 

 -r- 2-93 



1-36 



8-26 



1300 



12-87 



8-87 



+■ 3-15 



- 2-80 

 1000 



-17-87 



-15-91 



11-97 



- 3-99 



+ 3-59 



8-79 



1472 



14-91 



10-33 



f 4-42 



2-74 



8-31 



18-69 



-14-62 

 12-46 



- 392 

 + 4-97 



11-20 



5-23 



11-20 



11-09 



+ 4-81 



- 1-22 

 7-35 



-18-53 



-15-3 6 

 903 



- 0-99 

 + 3-49 



11-32 

 15-84 

 15-43 

 10-66 

 + 5-82 



- 0-74 

 9-02 



-16-45 



-16-9 6 

 1217 



- 3-18 

 •f 2-39 



8-82 



12-9 6 



15-55 



10-66 



+ 5-82 



- 0-74 

 902 



-16-45 



