622 Index to Part VI. 



JK.. PiGB. 



Keiika Lake, ice in 479 



L. 



Lakes, periods of navigatiou in 472-479 



Lakes Erie and Ontario, .water temperature 431 



Latitude, variation of temperature with 422 



Long Island, temperature of 426, 464 



Rainfall over 484 



Sound, notes on freezing of 502 



M. 



Maritime temperatures 426 



Maximum and minimum temperatures in New York 456 



Meteorological records, criticism of 408, 509 



Mohawk Valley, described 417 



temperature of 439 



Moisture of air 480-500 



supplied by ocean and Mexican Gulf 413, 487 



Mountain chains of New York 417 



N. 



Navigation, periods of, in lakes and rivers 471-479 



New England Meteorological Society on sea-breeze 428 



New Englamd, temperature of eastern 413-486 



New York city, general climatic data for 500 



Nocturnal cooling and valley winds 453 



Normals of temperature and precipitation 418, 480, 509 



Northern or Adirondack Plateau described 417 



Northern New York, temperature of 437, 444 



o. 



Ocean as source of rainfall 413, 487 



thermal influence of 425 



Ohio Valley, upper limit of, in New York 442 



Ontario, Lake, periods of navigation in 476 



thermal effect of 431 433 



Otsego Lake, duration of ice in 478 



