THE ARTESIAN WATER SUPPLY OF EASTERN FLORIDA.

At New Smyrna in Volusia County, a station about IOO miles south of Jacksonville, as shown by the same report the annual mean temperature is 70 degrees F. The means for the four seasons are: Winter 58; Spring 68; Summer 79; Fall 72. The absolute
maximum for summer heat recorded at New Smyrna is IOO degrees F. The lowest temperature recorded is 16 above zero. The imnean temperatures for the several months of the year (Fahrenheit) are as follows: January 57; February 59; March 65; April 67, May 73; June 78; July 8o; August 8o; September 78; October 73; November 66; December 58.*
At Jacksonville in the northern part of the State there is little or no danger of frost before the latter part of October. The earliest killing frost recorded, at this station, is November 12, while the average date of the first killing frost for the past fiftythree years is December 4. The latest date of a killing frost in the spring at Jacksonville is April 6, and the average date of the last killing frost is February 14. Light frosts, however, have been known to occur as late as April 28.t
At New Smyrna the earliest date of a killing frost in the fall is November 28, while the average date of the first killing frost for the past sixteen years is December 23. The latest date of a killing frost at this place in the spring is March 22. The average date of the last killing frost is February 16.
PRECIPITATION.
The season of heavy rainfall in eastern Florida includes the summer and early fall months. As a rule approximately one-half of the rainfall of the year comes during the four months, June July, August and September.
The average rainfall at Jacksonville for the 32 years ending with 1903 was 53.4 inches annually. The mean for the four seasons of the year is as follows: Winter 9.4 inches- Spring 10.4 inches; Summer 17.9 inches; Fall 15.7 inches. The mean for the several months of the year at Jacksonville is as follows: January 3 inches; February 3.4 inches; March 3.5 inches; April ;.9 inches; May 4 inches; June 5.5 inches; July 6.2 inches; Aug*United States Weather Bureau, Bull. Q. Climatology of the Eastern United S~ates, by Alfred Judson Henry, pp. 353, 355, 19o6.
t]U. S. Dept. Agric. Summary of the Climatological Data for the United States by sections: Section 83.-Northern Florida, A. J. Mitchell, Section Director. Also Climatology of Jacksonville, Fla., and Vicinity, Monthly Weatht r Review for December, 1907, by T. Frederick Davis.