va 
308 C. Whittlesey on the Water Level at Green Bay, 
o 
there. Accordingly 
the influence of prolonged northeasterly winds. But even here 
a : 
On the 2d at noon thé water was at its greatest known height 
At noon on the 8d it had fallen 12 inches although the sam — 
gale continued. > 
Gales from the south and southwest should produce hydro- 
graphical effects the reverse of those from the north, and have 
the same double action. If they continue long, the water 
the lake is raised at its northerly end, and tends to flow into the 
bay, raising its surface. Within the area of the bay, howere 
the tendency is to drive water out of it, and to depress the sur 
=~ ‘v the mouth of the Fox River. Here is again the q 
of the resultant of opposing forces. ; 
e diagram and a ciset en columns show a direct erie 
tion between the northeast winds and the extreme floods of 
season. The 2d of July, the 20th, 21st and 27th of ine 
‘the 8th, 9th and 24th of September, and the 2d and 3d of 
vember are cases of this sort. insert 8 
But to present this part of the subject more fully I 1 99 { 
table of the extremes of both the ebb and the flood a ; 
fame which have the fullest record. [See table, ea 
_ From this table it appears that in all cases where the ® 
range of 9 inches under similar circumstances. po flood oo 
y the registers, there were 17 days in which ‘+h but one: 
curred twice, having two maxima, and 15 days Wh" " — 
TG ae SR Nf a ee 
