1 
o 
a 
3 
03 
13 
-^> 
03 
3 
o 
o 
< 
Com- 
puted 
evapo- 
ration 
o!*oi>-*tNO>»noin;tNoo-*oNMoitDu:io!OM^o«:HooiiO(NNN!)0'*oon 
CO«^<NmM-*'Oi'3CM>ce03:00'HtNra'*iO!flt>-l~-c»OlOOHrtlNtNMCOiO 
|^c^^c^c^lC^c<^c , ^cscs<NC<^c^c^c^t^lc^roro^3c^occro^5roMcoMroco^M , ^^'^'3''^ < 'l , 
+++++++++++++++++++++++++++++++++++++ 
OJ to 
NiONiO'*NNraM'HO*NCli5r)<U5!OinwntNt>lHt-iNiOTj(OOlMCCNtNHMO>in 
i0cDhMCO»00OCja0ai«5OO0190)Ht«00HHt>IOnn'JNNNOONONW 
rt rt -Hi-H -H ,-Hi-li-Cf-l-Hi-li-Hf-C-H^lM-HtNlNCNtN 
1 1 1 1 i 1 1 I 1 II II i 1 1 1 II 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
Computed 
evapo- 
ration 
(OiOcOt'NOONtDQOOO^tDOtDNiONNOOHh.HtOtDlflOOJOMOlOtOC^iO 
Net 
rise 
T^OOC^N^C»U^^OtNi^XrH05^t^rti--(01<>10Ci0050'HCOO')"<©i-l'<l<005CO<0<© 
.-( rt CO i-ilNi-ii-H CO "* r-l r-iTt<i-i(N <N CO CO CQi-i(N<-llM 
+1 1 ++ 1 ++ 1 ++ 1 + 1 ++ 1 1 1 + 1 1 1 + 1 1 1 1 + 1 1 + 1 + 1 1 
Total 
correc- 
tion 
(O00NNHNi0(0OHHNHHHrtHHHtNOrtOHOHMrt^T|iN'li»HN10!O 
i i i +++ i i +++++++ i i ++ + + i i+i 7777+1 i i 
1 
u 

.o 
"■£ 
a 
a 
u 
u 
o 
O 
Run-off 
from 
land 
(-1.) 
NtONtOMONONtON!ONCDMDMON!OMOMONlON10NtOt>«:N<ON!ON 
I 1 1 1 1 1 II 1 1 1 1 1 II 1 II 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
Rainfall 
on 
lake 
NOMOOO<D00HOOOOHOHC0«OOOOOOONCi)O't l «)tNi0«5ONMO 
1 7 i i i i i i i i iii 7777 i i i 
o o • » 
3^W + 
O 
MnMra^3MmmmcOCOCCnMM»MMMmNCNcNINtN(NCNNNtNN^NtNINtNINtN 
+++++++++++++++++++++++++++++++++++++ 
Inflow 
from 
Superior 
1 1 II 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 II II 1 1 1 1 1 1 1 1 
Rise of 
mean lake 
surface 
ooooooooooooooooooooooooooooooooooooo 
i-H r-( H^HCNNHHHMIO rH tM •* r-1 CO H (N M rHCOtN-*<NCOCO<MCS 
+ 1 + 1 ++ 1 ++ 1 + 1 + 1 + 1 1 l+l 1 1 ++ 1 + 1 + 1 
Observed 
elevation 
corrected for 
wind and 
barometric 
effects 
579.+ 
MC0tNMm0!OtNOHCNi-<'Ji010iOOO00cMH0000t»0)I0!0i01N<(iOMC0C0"n»n 
Observed 
elevation 
of lake 
surface 
579.+ 
ir3(DnU5iOt»N^NCNMNMOOOONHNH001NO-<ON<OU5»«5CDiOOO^U5CBI>. 
^iO iO ^ ^ ^ ^ ^ ^ & ^ *0 *& >& ^ ^ *G *& *G "V & ^ ^ *0 *0 *£> *# ^ ^ ^ *# ^ ^ ^ 'W ■*)< ^ ■& 
<u 
3 
Q 
1 I 
8 ,£ 
56 
