THE VOYAGE OF H.M.S. CHALLENGE!; 



TABLE II, 



Showing from the Challenger Observations the Deviations each Two Hours 

 from the Mean Daily Temperature of the Air, 1872-1876. 



N.B. — The Heavy Figures show a Temperature above the Mean, the Italic Figures below it. 

 A Minus before Latitudes signifies Latitude South, and before Longitudes it signifies Longitude West. 



1872. 



December 11-21.. 



„ 22-29.. 



1873. 



January 4-12.. 



13-17.. 



18-26.. 



27-31.. 



February 1-6.., 



7-14.. 



15-21.. 



22-28.. 



March 1-10.. 



11-16.. 

 17-24.. 

 25-31.. 



April 1-4.. 



5-20.. 



21-30.. 



May 1-8.. 



9-19.. 



23-30.. 



June 1-12.. 



13-22.. 

 23-30.. 



July 1-9.. 



10-15.. 



16-18.. 



19-26.. 

 July 28- Aug. 4.. 



August 5-9.. 



10-15.. 



16-20.. 



„ 21-31.. 



September 1-8.. 



9-14.. 



15-25., 



26-30.. 



October 1-7.. 



8-14.. 



15-22.. 



23-27.. 



L;it. 



Ports 

 48 3 



Lis 



37 8 

 Gib 



35 51 



Near 

 Tener 

 27 46 

 23 30 



20 34 

 18 45 



St. 

 23 4 



30 43 

 Ber 



33 39 



39 30 



Hali 

 35 33 



Ber 



34 48 



38 15 



Near St. 



35 2 

 Mad 



23 16 



St, 



Porto 

 11 6 

 6 2 

 1 14 



—4 58 

 -10 36 



Ba 







-26 58 



-35 



-36 46 



-35 59 



Long. 



mouth 

 -8 49 



bon 



-8 40 

 raltar 



-9 45 



Madeira 

 fe 



-20 3 

 -32 32 



-47 22 

 -61 41 

 Thomas 

 -65 14 



—64 55 

 muda 

 -67 24 



-68 59 

 tax 

 -63 59 



muda 

 -34 25 

 -35 43 



Michael's 

 -21 20 



eira 

 -21 26 



Vincent 



Praya 

 -20 29 

 -15 9 

 -24 23 



-33 34 

 -36 



hia 

 -36 34 



-31 13 



-20 6 



-8 35 



8 29 



4 



A.M. 



M 



■9 

 IS 



■9 



2-0 

 1-4 

 1-0 

 1-2 



IS 

 1-0 



1-2 

 1-7 



IS 



1-3 



■5 



IS 



3-4 

 1-0 



1-9 



IS 



■9 



1-2 

 IS 

 2-1 

 ■9 

 1-4 



IS 

 1-0 

 t-S 



1-2 



■S 



■9 



1-3 



1'2 



2-0 

 ■6 



1-0 

 ■4 



1-6 



■7 



1-7 



1-3 



2-2 

 2-3 

 1-2 

 H 



IS 

 VI 

 1-2 

 IS 



1-6 



H 

 1-4 



1-4 



3-9 

 1-2 



1-9 



IS 

 ■9 



2-0 

 2-9 

 U 

 1-9 



IS 

 1-0 

 IS 

 IS 



IS 



1-4 

 IS 

 1-7 



•7 



■7 

 IS 



6 



A.M. 



1-2 



■9 



IS 



1-5 



2-1 

 IS 

 IS 



1-7 

 1-1 

 IS 

 1-9 



1-0 



IS 

 1-1 



1-1 



2-6 



■9 



1-6 



S 

 1-2 



2-0 

 1-9 

 2-4 

 1-2 



2-5 



■7 



1-2 



1-7 



1-1 

 1-5 

 IS 

 1-7 



1-4 



■7 

 ■6 

 ■5 



1-2 



1-0 



1-4 



S 



•1 



IS 

 ■0 



10 



A.M. 



S 

 1 



■4 

 S 



•7 

 ■3 



•7 

 ■1 

 ■6 

 •3 



•6 

 10 



•8 

 1-7 



•7 

 •8 

 •7 



•6 



2-2 



■3 



1-2 

 ■9 

 •8 



13 

 •9 

 •9 

 1 



1-3 



18 

 •2 

 ■7 



IS 



1-4 



1-3 



■7 



1-2 



11 

 •5 

 3 

 •3 



Noon 



4 



P.M. P.M. 



■8 

 •2 



•5 



•3 



1-2 



1-6 



1-8 

 20 

 1-3 

 2-3 



1-2 

 18 

 1-9 

 2-3 



1-3 



1-7 

 1-2 



•8 

 3-5 

 10 



20 

 11 

 1-4 



1-6 

 2-2 

 1-5 

 20 

 2-6 



2-2 

 1-2 

 1-8 

 1-6 



11 



1-7 

 1-2 

 1-9 



2-2 



11 



■9 



•9 



1-4 

 •3 



2-3 

 1-7 

 2-3 

 1-5 



2-9 

 30 

 1-5 

 1-8 



1-7 

 16 

 1-7 

 2-9 



20 

 1-7 

 1-7 



20 

 3-5 



14 



21 

 1-8 

 1-4 



1-7 

 2-7 

 3 

 21 



2-4 



1-9 



•9 



1-6 



12 



10 

 11 

 1-5 

 1-6 



2-5 



•6 



1-5 



11 



1-7 

 •4 



1-8 

 10 

 1-9 

 14 



2-3 

 2-2 

 10 

 1-8 



1-2 



■8 



1-4 



2-2 



1-6 



1-6 



•9 



2-2 

 3-6 

 1-5 



20 

 1-6 

 1-3 



20 

 1-9 

 3-2 

 20 

 20 



1-9 



•7 



15 



10 



10 

 •4 



1-7 

 •9 



2-2 



•6 



1-4 



■7 



6 

 r.M. 



•2 



■1 



•6 

 •6 



•8 

 •7 



10 



12 



•4 



•1 



•1 



4 

 ■4 



7 



13 

 ■5 

 •5 







31 

 10 



14 

 •9 

 •7 



11 



IS 



21 



•2 



•2 



•6 

 •2 

 •2 

 •3 



•2 

 

 •6 

 •5 



•0 

 •1 

 •3 

 •1 



10 



P.M. 



•3 

 •2 

 ■3 



■5 



IS 

 ■6 

 ■G 

 '7 



S 



•7 



■9 



1-1 



IS 

 •5 



■G 



1-1 



1-4 



■4 



1-1 

 ■5 



1-2 

 1-2 

 1-4 



s 



■G 



■6 



IS 



IS 



■4 

 ■4 

 ■4 



Mid- 

 uiyht 



1-0 

 ■6 



1-4 

 1-0 



1-1 

 S 

 ■9 



1-5 



IS 



1-2 



•6 



1-1 



2-5 



S 



1-5 



■9 



1-0 



IS 

 1-4 

 1-7 

 S 

 1-0 



■9 



■4 

 s 



■9 



■7 

 1-0 

 IS 



IS 



■4 

 s 



Day. 

 M. T. 



44-1 

 52-1 



55-2 



57-7 

 65-0 

 57-0 



61-5 

 61-7 

 64-7 

 68-6 



72-8 

 75-2 

 73-7 

 75-5 



69-7 

 67-5 

 65-3 



49-2 

 46-6 

 71-8 



72-4 

 73-4 

 70-6 



69-2 

 71-2 

 70-8 

 73-0 

 76-6 



78-0 

 77-6 

 77-8 

 77-2 



76-9 

 76-5 

 75-3 



75-7 



68-7 

 53-5 

 51-4 

 53-6 



