or THE ATMOSPHERIC TEMPEHATURE. 



177 



OF THE TEMPERATURE. 



and T is expressed in degrees of Fahrenheit. 



Warmest Day. 



Average 

 date. 



Temp. 



Coldest Day. 



Average 

 date. 



Temp. 



Annual 

 Rantre. 



Yearly Means 

 reached. 



ARCTIC REGIONS. 



7-15 

 7.02 

 6.62 

 0.84 



81'". 9 

 69. S 

 119. o 

 256.9 



3-56 

 0.82 



275 



2.59 



3-79 

 4.80 

 1. 16 



July 10 

 July 8 



J"ly IS 

 July 15 



Mean: July 12 



+39°-4 

 +39-3 

 +41.6 

 4-42.0 



Jan. 30 

 Mar. I 

 Feb. 1 5 

 Jan. 22 



Feb. 9 



-24 -J 

 -28.6 

 -28.0 

 -38-3 



63°. 7 

 67.9 

 69.6 

 80.3 



May 2; Oct. S 

 Apr. 25 ; Oct. 12 

 May I; Oct. 31 

 Apr. 23 ; Oct. 25 



Apr. 28; Oct. ic 



BRITISH NORTH AMERICA AND CANADA. 



s 



0.91 



213.0 



1.24 



•32 







July 22 



+ 52.7 



Jan. 23 



— 21.0 



73-7 



6 



3.06 



147. 1 



no 



2S9 







July 13 



+63-9 



Jan. 28 



— 71 



71.0 



7 



2.81 



245-2 



I.ql 



200 







Aug. 3 



+48.1 



Jan. 24 



— 6.0 



54.1 



8 



0.70 



48.4 



0.53 



151 







July 28 



+67.7 



Jan. 28 



+ 22.1 



45.6 



Apr. 22; Oct. 24 

 Apr. 26; Oct. 28 

 May I ; Oct. 26 

 Apr. 26; Oct. 24 



ALASKA. 



p 



0.88 



324.9 



0.20 



351 







Aug. 



13 



+ 54-9 



Jan. 



.30 



+30-3 



24.6 







2.73 



8.4 



0.44 



103 







Aug. 



12 



+50.6 



i'eb. 



9 



+30.0 



20.5 



May 9 ; Nov. 4 

 May2l(?); Oct. 26 



2 At Van Rensselaer Harbor and Port Foulke the epochs and amount of maxima and minima are those resulting 

 from 3 variable terms, as preferable to those resulting from 4 terms. The dates are quite uncertain on account of the 

 shortness of the series. 



a Monthly means corrected for daily variation by the general table p. xiv. 



* Expressions referred to new style, by subtracting 10° ^\' from Cj, 21 ".7 from Cj, and 33° from Cy 



b Monthly means corrected for daily variation by the Sitka table; for Astoria allowance was made for change of style. 



23 February, 1875. 



