New York Weather Bureau. 



427 



Table 3. 



STATIONS. 



Bermuda Islands 



Madeira ■ 



Azores 



Guernsey (Channel Islands) 



Monach ( Hebrides) 



Dublin, Ireland 



Block Island, U. S 



North 

 latitude. 



Deg. Min. 

 32 23 



32 

 38 

 49 

 57 

 54 

 41 



38 

 08 

 28 

 32 

 3tj 

 10 



Average Temperature. 



Jan. 



Degrees. 



61 

 60 

 57 

 43 

 42 

 40 

 31 



July. 



Degrees. 

 79 1 

 73 

 72 

 62 

 57 

 60 

 69 



Year. 



Degree.s. 

 69.6 

 66 

 63 

 51 

 49 

 49 

 49 



Range. 



Degrees. 

 ]8 

 13* 

 15 



19* 

 15* 

 20 

 38 



The following places, on or near the mainland of the western 

 shores of the continents, have a partially miaritime climate: 



STATIONS. 



Brest, France 



London, England 



Edinburgh, Scotland 



San Francisco, California 

 Olympia, Washington ... 

 Sitka, Alaska 



Range. 



Degrees. 

 31* 

 26 



21 

 10 

 24 



27 



*The true annual range is slightly greater than the difference between January and Jiilyr 

 means. 



t Maximum occurs in August. 



For the interior of the American continent, on the other hand, 

 table 1 shows annual rangesi of monthly mean temperature vary- 

 ing from 64 degrees to 77 degrees. The greatest annual range 

 of monthly mean temperature in New York State is 53 degrees at 

 stations in the St. Lawrence Valley. 



A Qomparison of the normal temperatures of Block Island for 

 the spring and autumn with those of statiouis in New York plainly 

 shows the effect of the ocean in retarding the progress! of the 

 seasons. The harmonic analysis applied to the monthly meaa 

 temperatures of New York State and also to those for Block 

 Island shows the epoch of the principal component for Block 

 Island to exceed that for the State by 12 degrees (of arc), so that, 

 on an average for the year, the progress of thermal conditions on 



