Meteorological observations and essays / By John Dalton.

  • John Dalton
Date:
1834
Catalogue details

Licence: Public Domain Mark

Credit: Meteorological observations and essays / By John Dalton. Source: Wellcome Collection.

    74/280 (page 48)
    4S OBSERVATIONS ON FROST, SNOW, ETC. 1791. Jan:4, 5, 7,8; 11, 12.013, 15,17, 18; 19524525229 andicw- N.B. These winds were all W. or SW. except on the 18th and 19th, SE) ebri5105 14 eto, 413, 19 and 22. Marcu, 13, 19, 21 and 23. May17and19. June 16. October 20. November 9, 11, 12, 19, 26 and 27. December 1, 13 and 25. 1792, February 2. March18. April 2, 15,22 and 23. September 10. October 1, 2, 3 and 31. November 18, 19, 20 and21. December 4, 5, 6, 9, 10, 11, 18, 20, 22 and 23. In order to determine what months of the year are most liable to high winds, we have found the amount of the number of days in the severai months, on which the highest winds were observed, according to the above account. Jan. Feb. Mar. Apr. May June July Aug. Sep. Oct. Nov. Dec. 18 «ay °8 6 2 2 3 © 1 7) W205 24 NibnG@ ONG Tr Gare rer Account of the first and last appearance of Snow, each winter; the Frost, Snow, severity of the Cold, &c. Mosr people know that snow first appears in gene- ral upon the mountains ; and the higher these are, all other circumstances being the same, the sooner their summits are covered with snow; if they ex- ceed a certain height (which varies with the latitude) snow continues upon them all the year round, or