Index to Part YI. 521 



x" page:. 

 Forests, climatic effect of 509 



Freezing of lakes and rivers, dates of 471-479 



Frosts in New York 465-470 



occurrence of in former years 502-509 



Fuertes, E. A., letter of transmissal 405 



director of State Bureau 408 



G 



Gradient of temperature 417, 444 



Grape belt of Chautauqua county 434, 469 



Great Lakes, thermal influence of 430 



Great Lake region, frosts in 469 



topography of 417 



Tariability of temperature in 464 



Green mountains, effect of upon climate 413, 486 



Gulf of Mexico, as source of moisture 413, 487 



Gulf Stream, effect of upon temperature 425 



H. 



Harmonic analysis of temperature 430 



Highlands of New York, described 417 



thermal conditions of 442 



rainfall over 480, 491 



Historical notice of weather 502-509 



Hough, F. B., essay on climate 407 



Hudson River, dates of freezing 471 



Hudson Valley, described 417, 435 



frosts in 467 



temperature of 435 



rainfall of 486 



Humidity 498 



Hurlbut, J., climatic data by 505 



Hyatt, Dr. James, climatic notes 509 



I. 

 Ice, formation of, in lakes and rivers 471-479 



' J. 

 Japan, temperature in 423 



