TABLES OF DIFFERENCES OF MEAN TEMPERATURES- 141 



Hour, 



Jan. 



Feb. 



Mar. 



Apr. 



May. 



June- 



J"iy- 



Aug- 



Sept. 



Oct. 



Nov. 



Dec. 



Year. 



Boothia Felix, Arctic America.' Lat. 69° 59'. Long. 92° 01' W. of G. 



At sea level. Ross. [Table by Dove]. 1829 to 1830. 





Q 



Q 



^ 



































t, 







Mdn't 



— 0. II 



— 1. 10 



— 3.10 



—4.68 



—5-17 



—4-59 



—3-57 



—2.81 



—1. 14 



-0.63 



—0.33 



— 0.26 



—2.29 



I 



—0.18 



—0.94 



— 3.62 



—4.88 



—5-94 



—5-35 



— 4.00 



—3.01 



—1. 25 



—0.67 



— 0.04 



— 0.26 



—2.51 



2 



— 0.22 



-0.63 



— 4.16 



— 5.06 



—6.18 



—5-73 



— 4- 00 



—2,92 



—1-39 



—0.71 



4-0.40 



— 0.29 



-2. 58 



3 



— 0.24 



-0.56 



—4-72 



—5-17 



-5-87 



—5-51 



—3-71 



-2.63 



—1.48 



—0.74 



4-0.65 



— 0.22 



—2.51 



4 



—0.24 



—0.47 



—5-17 



—5.08 



— 5,02 



— 4.61 



—3-03 



— 2.29 



—1.48 



-0.76 



-1-0.69 



—0.13 



—2.29 



5 





—0.49 



—5-35 



—4-54 



—3-95 



—3.12 



— 2.22 



—1-93 



—1.25 



—0.71 



4-0.54 



— 0.04 



— 1.96 



6 



— 0.22 



—0.58 



—5.02 



—3-44 



—2.29 



— 1.46 



—1-37 



—1-57 



—1-03 



— 0.61 



4-0.29 



4-0.09 



—1.44 



7 



— 0.20 



— 0.65 



-3-98 



—1.82 



—0,78 



4-0.09 



— 0.5S 



— 1. 12 



—0.61 



—0.38 



4-0.04 



-fo.i6 



-^-83 



8 



—0.18 



—0.49 



— 2.20 



+0-13 



-1-0,71 



4-I-30 



4-0,07 



—0.54 



— 0.1 1 



— 0.02 



4-0.02 



-ho. 22 



—0.09 



9 



—0.13 



— 0. II 



+0-13 



4-2.20 



+2.13 



-|-2,22 



-ho. 83 



4-0.22 



4-0.26 



4-0-45 



4-0.09 



4-0.22 



4-0.71 



10 



— 0.04 



4-0.58 



+2.7S 



-1-4.07 



+3-46 



4-2.99 



4-1-57 



-[-1,10 



4-0-97 



4-0-92 



-fo-32 



-ho.22 



4-1-57 



II 



4-0.04 



+ I-30 



4-S.13 



+ 5-51 



+4.63 



4-3-73 



+2,36 



4-1-93 



4-1-46 



4-1-32 



4-0.58 



4-0.24 



4-2.36 



Noon 



-j-O. II 



-1-1.96 



4-6.86 



+6.43 



+5-53 



4-4-54 



4-3-22 



-f2-6o 



4-1-84 



4-1-55 



4-0.71 



-fo.26 



-^2-96 



I 



4-0.24 



-1-2.29 



4-7.60 



-f6.82 



+ 5-99 



-h5-24 



4-3-82 



4-3-01 



4-2-09 



4-1-53 



4-0,67 



4-0.32 



+3-31 



2 



+0.32 



4-2.20 



+ 7-33 



+6.65 



+ 5-97 



4-5-58 



-h4.i8 



-F-3-IO 



4-2-11 



4-1-28 



4-0.42 



4-0.29 



-h3-28 



3 



4-°- 33 



+ 1-75 



-j-6.25 



4-6.01 



+5-40 



+5.26 



4-4-00 



4-2,96 



-1-2.09 



4-0-S5 



4-0,09 



4-0.22 



4-2-94 



4 



4-0.32 



+ I-03 



+4.63 



+4-90 



+4-45 



4-4-45 



4-3-50 



-^2-65 



4-1-53 



4-0,40 



—0.13 



-j-o, II 



-f2-32 



S 



4-0.24 



-1-0.32 



+2.90 



+3-37 



4-3-26 



4-3-05 



4-2.65 



4-2.27 



4-0-99 



— 0,02 



— 0-S4 



— 0.02 



+ I.SS 



6 



-I-0.20 



—0.29 



4-1.28 



4-1,66 



4-1-98 



4-1.48 



4-1-75 



4-1-75 



4-0-38 



—0.32 



— o.6g 



— 0.16 



4-0.76 



7 



+ 0.13 



— 0.71 



— 0.02 



—113 



4-0.76 



4-0.02 



4-0.76 



4-1. 12 



—0.18 



—0.49 



—0,80 



— 0.22 



4-0.02 



S 



4-O.II 



—0.97 



—0.99 



—1-75 



—0.45 



— 1-14 



— 0,16 



4-0.36 



—0.58 



— 0.56 



—0.85 



— 0.24 



—0.61 



9 



4-0.07 



— 1. 12 



—1.70 



—3-03 



—1.66 



—2.06 



— 1. 12 



—0.54 



-0.S5 



—0.58 



—0.85 



— 0.22 



— 1. 14 



10 



4-0.04 



—1. 14 



— 2.22 



—3-91 



—2.88 



-2.83 



— 2,02 



—1.48 



—0.99 



—0-58 



—0,78 



— 0.22 



—1.59 



II 



— 0.04 



—1. 16 



-2.67 



-4-38 



—4.09 



-3-67 



—2.70 



—2.27 



— 1.08 



-0.58 



-0-63 



— 0.20 



— 1.96 



Comb's 





























10, 10 



0.00 



—0.28 



4-0.26 



4-0.08 



4-0.29 



4-0,08 



— 0.22 



— 0.19 



— O.OI 



4-0,17 



—0.23 



0.00 



0.00 



6, 2, 9 



-I-0.06 



•+0.17 



4-0.20 



4-0.06 



4-0.67 



4-0,69 



4-0.56 



4-0.33 



-l-o.oS 



-ho.03 



— 0.05 



4-0.05 



4-0.23 



6, 2, 10 



4-0.05 



-1-0. 16 



4-0.03 



-0.23 



4-0.27 



4-0-43 



-j-0.26 



4-0.02 



4-0-03 



4-0.03 



— 0.02 



4-0.05 



4-0.08 



7.2,9 



-|-o.o6 



4-0.14 



+0-5S 



4-0.60 



4-1,18 



-Hi. 20 



4-0.83 



4-0.48 



-|-0.22 



-j-o. II 



—0.13 



4-o.oS 



4-0.44 



7. 2,9bij 



4-0.06 



—0.17 



— 0.0 1 



—0.31 



4-0.47 



4-0-39 



4-0.34 



-j-o, 22 



— 0.05 



—0.06 



— 0.31 



0.00 



4-0.04 



3.9,3.9 



These four hours appear to have been used for t 



le daily means, the results of the combination being zero. 



Sitka, Alaska Ter'y.' Lat. 57° 03'. Long. 135° 20' W. of G. 



Alt. 20 feet. [Table by Dove.] From a 5 year series. 



Mdn't 



—0.74 



—1.30 



—2.18 



—3-39 



—4,05 



—4.07 



-3-78 



—3.01 



—2.41 



-2.67 



—0.92 



-0.63 



-.«l 



I 



— 0.76 



— I 



48 



— 2 



45 



-3-78 



—4 



59 



—4 



63 



—4 



23 



—3 



44 



-2.65 



— 2 



49 



—1.03 



—0.74 



— 2 



70 



2 



—0.78 



— I 



6r 



— 2 



63 



—4.07 



—4 



95 



-5 



06 



—4 



59 



—3 



73 



—2-99 



— 2 



65 



— 1. 10 



—0.74 



— 2 



90 



3 



—1. 14 



— I 



75 



-3 



OS 



—4.25 



—5 



47 



—5 



60 



—4 



85 



—3 



98 



—2.79 



— I 



44 



—1.08 



—0.40 



— 2 



99 



4 



— 1. 01 



— I 



93 



—3 



31 



—4-54 



—5 



73 



—5 



78 



—4 



95 



—4 



09 



—2.90 



— I 



53 



— 1. 10 



—0.40 



—3 



10 



5 



— 1. 01 



— I 



87 



—3 



S3 



—4.66 



— 5 



37 



—5 



56 



—6 



63 



—4 



25 



—2-99 



— I 



57 



— 1. 10 



— 0.32 



—3 



24 



6 



— 1. 01 



— I 



89 



— 3 



51 



—4-25 



—3 



95 



— 3 



98 



— 3 



76 



—3 



64 



—2.99 



— I 



75 



—1.03 



— 0.40 



^ 



67 



7 



—1. 16 



— I 



84 



—3 



08 



—2.54 



— 2 



15 



— 2 



43 



— 2 



IS 



— 2 



45 



-2.36 



— I 



30 



—0.90 



-0.38 



— I 



91 



8 



— i.oS 



— I 



70 



— I 



68 



— 0.69 







00 



— 



58 



— 



58 



— 



90 



— 1.06 



— I 



19 



—0.74 



—0.26 



— 



87 



9 



-0.87 



— I 



10 



+0 



18 



4-1.42 



+ 1 



84 



+ 1 



16 



4-1 



30 



+0 



58 



4-0- 38 



— 



26 



— 0.52 



— 0.22 



+0 



33 



10 



—0.35 



+0 



07 



+ 1 



55 



4-2.58 



+3 



03" 



•4-2 



88 



+2 



86 



+2 



13 



4-1.64 



4-0 



63 



0.00 



4-0.24 



+ 1 



44 



II 



4-0.42 



+ 1-35 



+ 2.90 



+3-78 



4-3-93 



4-3-82 



4-4-43 



4-3-53 



4-2.88 



4-1 68 



4-0.78 



4-0.24 



4-2.49! 



• From Prof. Guyot's Meteorological and Physical Tables, Smithsonian Misc. Coll.; Washington, 185S. 



Reaumur's changed into Fahrenheit's scale. 



