520 Index to Part YI. 



C PAGE. 



Cauaudaigna Lake, opening and closing of navigation 478 



Caynga Lake, duration of ice in 478 



Cazenovia Lake, duration of ice in 478 



Central Lake Region, described 417, 440 



frosts in „. 468 



temperature of 440 



Cbamplain Lake, dates of freezing 472 



water levels of 473 



Chamiilain Valley described 417 



temperature of 436 



rainfall of 413, 486 



Chautauqua county grape belt, temperature of 434, 4G9 



Chautauqua Lake, opening and closing of navigation 479 



Cities, general climatic data for 500 



Climate, relation of to forest growth 509 



Cloudiness, average over New York 494 



Coasts, temperature of continental 409 



Coffin, J. H., investigation of climate by 407, 438 



Cold waves tempered by Great Lakes 433 



Continents, temperature of interior and coasts 409 



Cyclones, effect of upon temperature 411, 510 



D 



Daily fluctuations of temperature 449 



Days, frequency of clear, fair and cloudy 496 



frequency of rainy 493 



Draper, Dr. Daniel, climatic work of 408 



Drouths in past years 502-509 



E 



Eastern Plateau described 417 



Elevation, decrease of temperature with 417, 444 



of stations, tables 418, 480 



Erie Canal, periods of navigation in 477 



Lake, periods of navigation in 476 



temperature of 432 



Europe, temperatures in 423 



Extremes of monthly and annual temperature 446 



