10
16
50 years, 1901 1950
Greatest
10 
z
- AverageMean 4.23 inches
4I
2
east
0
0 XX XXXXXXXXCXXXX4
Oct Nov Dec Jan Feb Mar Apr May June July Aug Sept
FIGURE 2.-Variations in monthly precipitation at Gainesville.
Average rainfall in the driest month, November, is 24 percent of that in the wettest month, July. Extremes vary widely in each month, especially from October through April. away, it may issue from a large spring and form a stream. In north Florida, for example, the Santa Fe River disappears underground to reappear several miles away and continue again as a surface stream (see figs. 4 and 5). The water is the same; only