THE TEMPERATURE OF THE FLORIDA CORAL-REEF TRACT. 



323 



WEEKLY AIR-TEMPERATURE RECORDS AT TORTUGAS. 



Recorded upon a Draper's self-recording thermometer. From June 12 to July 26 the temperatures are those 

 in the new laboratory building on Loggerhead Key. From July 26 to Apr. 4 they are those of the upper tier on the 

 east side of the casemates of Fort Jefferson. From May 11 to June 7, 1913, they are those of the new laboratory 

 building on Loggerhead Key, Tortugas. 



Date. 



1912 

 June 12-18. . . . 



June 21-28. . . . 



June 28-July 4. 

 July 5-12.... 



12-19... 



19-26. . . . 

 July 26-Aug. 2 

 Aug. 2- 9. 



9-16. . . . 



16-23 



23-30.... 



30-Sept. 6 

 Sept. 6-13 



13-20. . . . 



20-27 



27-Oct. 4. 

 Oct. 4-1 1 



11-18.... 



18-25.... 



25-Nov. 1 



Nov. 1- 8 



8-15.... 



15-22 



22-29. . . . 



29-Dec. 6. 

 Dec. 6-13 



13-20. 



20-27 



1913 

 Dec. 27-Jan. 3 . 



Jan. 3-10 



10-17 



>7--=4 



24-Feb. 1 . 



Feb. I- 7 



7-14 



'4-21 



21-28 



28-Mar. 7. 

 Mar. 7-14 



14-" 



21-28 



28-Apr. 4 . 

 Apr. 5-May 20 . 

 May 11-18 



18-25 



25-June 1 . 

 June 1- 7 



High. 



(on 

 (on 



35-° 

 June 14) 



34-4 

 June 22) 



31-4 

 33.6 

 32.8 

 34 4 

 33 3 

 31 4 

 30.9 

 30.6 

 30.9 

 32.0 

 31. 1 

 30.9 

 30.6 



3i-7 

 30.3 

 30.0 

 29.7 

 28.3 

 27.2 

 26. 1 

 26.1 

 24.4 

 26.7 

 26.1 

 25 9 



25.6 



25.6 



25.0 

 26. 1 

 27.0 

 25.6 

 25.6 

 26.1 

 25.0 



24.7 

 25.6 

 27.8 

 27.2 

 27.8 

 26.7 

 No records 

 28.6 



31-4 

 31-4 

 31. 1 



Weekly 

 range 



°C. 

 8.3 



8-3 



4 4 

 8.0 



5 6 

 8-3 



5-5 

 2.2 

 2.0 



3 « 



2.6 



31 

 3.6 



3-7 

 5-6 



4 7 

 2.8 



2-5 

 3.0 



3-9 



52 

 2.2 

 4 7 

 24 

 50 



3-3 

 6.4 



5-3 



6.7 



5° 

 4 ' 



6-7 



2.8 

 2.3 



4 ' 

 6.4 



3° 

 2.8 

 5-o 

 5-5 

 53 

 3 ■ 



5° 

 7-2 

 7-5 

 5-8 



