140 TABLES OF DIFFERENCES OF MEAN TEMPERATURES. 



Jan. 



Apr. 



May. J: 



July. Aug. Sept 



Melville Island, Arctic America.' Lat. 74° 47'. Long. 110° 48' W. of 



Parry. At sea level. 1S19 to 1820. 





^ 





Q 













° 



;, 



Q 







J, 



(J 







Mdn't 

 I 



— 0.26 



— -0.22 



—2-34 

























0.09 



— 0.56 



0.00 







2 

































'4-0.26 



4-0.20 







3 



—0.40 



— 0. II 



-2.74 

























—0.26 











4 

































4-0.04 



+0.13 







5 



— 0.16 



— 0.56 



— 2.02 

























— 0.54 











6 

































0.00 



— 24 







7 



— 0.24 



—0.65 



—1.28 

























—0.45 











8 

































4-0.49 



— 0.16 







9 



+0.29 



+0-54 



+0.6S 

























+0-33 











10 

































4-0.85 



— 0.24 







II 



+0.78 



+0.97 



+2.99 

























+ 1-03 











Noon 



I 



+0.49 



4-1.46 



+3.S6 

























4-0.97 



4-0.92 



— 0-54 







2 

































4-0.61 



— 0.32 







3 



4-0.56 



+ 1.16 



+ 2.2S 

























—0.49 











4 



























. 







— 0.36 



0.00 







S 



— 0.09 



— 0.09 



+0.97 

























-1-0.54 











6 

































— 0.61 



4-0.26 







7 



— 0.09 



—0.54 



—0.13 

























4-0.22 











8 

































—0.85 



4-0.58 







9 



— 0.24 



—0.78 



—0.74 

























—0.24 











10 

 II 



— o.go 



— 1. 10 



— 1.'48 

























—0.97 



— 0.80 



4-0.26 









Port Kennedy, North Somerset. Lat. 72° 01'. Long. 94° 14' W. of G. 



McClintock. Near sea level. Aug. 1858, to Aug. 1859, inclusive. 

 (Uncorrected for effect of annual fluctuation.) 



—0.4 



—0.4 



0.0 



+0-3 

 0.0 



+0-3 

 +0.7 

 4-0.5 

 4-0.5 



—0.5 

 —0.6 

 — 0.2 

 — 0.2 

 -ho. I 



4-0.2 

 4-0.8 

 4-0.8 



+0-3 



0.0 

 4-0.1 



—2.9 

 3 



—3-3 

 -3-8 

 — I 



+3 



+5 



+5 



+4 

 7 

 S 



—3-3 

 —2.9 

 —1.9 

 —1-3 



-|-0.2 

 -j-2.2 



+3-8 

 4-4.2 



+3-1 

 4-0.6 

 —1.6 

 — 3-0 



—3-9 

 —4-3 

 — 2.0 

 — i.o 

 4-1.2 

 +2.3 

 +3-5 

 +3-7 

 -1-2.9 



-fl.2 



1.0 



—2.7 



—4.2 



— S-i 

 — 2.0 



4- 2'. 8 

 +4.5 

 +4-5 

 +3-2 

 + 1.6 



4-O.I 

 —1.4 



—3-3 



—3-1 

 -3-6 

 —2.9 

 —0.9 



4-1.2 

 4-2.8 



+3-4 

 -f-2.2 

 + 1-9 

 4-1.0 

 — 0.1 

 — i-S 



—1-3 

 —1-3 

 — 0.9 



— O.I 



4-0.7 



4-1.2 



+ 1-3 

 4-1. 1 

 -I-0.8 

 +0.3 



—0.7 

 —0.9 

 — 1.2 

 —1-3 



4-0:1 

 4-1.1 

 + 1.6 

 4-1.4 

 4-1.0 

 4-0.2 

 0.0 



— 1.0 



— 0-5 



0.0 



— 0.4 



4-0.7 



+ 1-5 



4-1.0 



0.0 



— 0.2 



— 0-3 

 —0.4 



—1-3 

 — o-3 

 4-0.1 

 4-0.7 

 4-0.9 

 4-1.2 

 4-1.0 



-|-0.2 



— 0-3 



—0.6 



— 1.0 



— 0.4 



4-0.4 



4-0.5 



+0-3 

 —0.4 

 4-0.2 

 4-0.1 



-|-0.2 

 — 0.2 



— 0-3 

 —0.4 

 -o.s 



Comb's 

 10, 10 

 6, 2, 92 



6, 2, lo 



7. 2, 9^ 

 7.2,9bi, 

 3. 9. 3. 9" 



4-0.2 

 0.0 

 0.0 

 0.0 



4-0.1 

 0.0 



4-0.1 

 4-0.2 

 4-0.2 

 +0-3 



4-0.2 

 0.0 



4-0.6 

 0.0 

 0.0 



+°-4 

 — 0.1 



4-0.1 



—0.4 

 4-0.2 



0.0 

 4-0.4 

 — 0.2 



0.0 



— 0.2 



+0-3 

 0.0 



4-0.7 

 0.0 

 0.0 



4-0.6 



4-0.2 



4-0.7 



0.0 



4-0.1 



4-0.6 

 4-0.2 

 — O.I 

 4-0.4 

 4-0.2 

 0.0 



4-0.2 



-ho. I 



4-0.1 



+0-3 



-|-0.2 

 0.0 



0.0 

 4-0.1 



-ho. I 



4-0.2 

 -i-0.2 



4-0.1 



4-0.1 

 4-0.1 

 +0.1 

 4-0.1 

 0.0 

 0.0 



4-0.1 

 0.0 

 0.0 

 0.0 



— 0.2 

 0.0 



0.0 

 0.0 

 -0.1 



+0.1 



4-0.1 



0.0 



+0-3 

 0.0 

 0.0 



1 From Prof. Guyot's Meteorological and Physical Tables, Smithsonian Misc. Coll.; Washington, 18 

 Reaumur's changed into Fahrenheit's scale. Table by Dove. 



2 By interpolation. 



