1 
*o 
S 
3 
■ 
~ 
E 
3 
O 
u 
<! 
Corn- 
put 0(1 
ovapo- 
ration 
t~- t— XXOCVOOO — i-H i-i CO CO CO •"■)< ■<? >0 iO O ic o O O O »-• ■-• cN <N 
r~ r- t^t^t^i^ccoococcoocc <x> ooooaooo oo oocc aoaoo cc ooio o ci 
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + 
0) Si 
o o ocoooooi , cocO"Oi< ■* mnon •* nooioos io o o © cn m< 
O CO OOOO-^lOCCr^XOi lO ION Ol H t* CO tH CC IO »0 CN h«th CM *f 
r- [>• t>- t>. t^. t-- r- r~ f~ r~ t^ t-» oo occoccoi os © oooio o ooo o o 
i i iiiiiiiiii i iiiiiiiimTTTTTT 
Computed 
evapo- 
ration 
CN lO Tj<c<3»T)<r}<(NCO'*C»5'* ■* CN CO CO CN CO CN CN CO CO CO ■* OCD H OS CO 
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + 
Net 
rise 
* 
r» O OOOHHiO'JllOOlOl O HOOJr- b- NHBC1H CO UIOh CO CN-H 
lO CO CD HCOH CO hhn u) MNNh CO'-iCN'-i (NCO 
1 1 +1+1 Mill 1 +111 I++II+I+I+I 1+ 
Total 
correc- 
tion 
M»S)OlO^HHHlO'*«HiH601NHHNMI)NC<)0»HHHM0001BONr 
CO CO i-i CN CN CN CN ■-HCOCS'-i'-i 
1 1 1 1 1 1 1 + 1 1 1 +++ 1 1 1 +++ 1 1 1 1 1 1 ++ 1 1 1 1 1 1 1 H 
1 
u 
o 
a 
_o 
o 
01 
u, 
o 
u 
Run-off 
from 
land 
NCDNtDN!ONCOc>.CDNOMDt-<DMONONOMDNOSO^CDr»<Or»!OhOt>. 
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
Rainfall 
on 
lake 
I^OCOOOCOt~i-<CNr~iOOOOCl»--<CN©OOl>t^CNuOaaiO©©CNOO'--ia><fl.--iCO© 
H»^H CN CN .-! CN CN rHHMMH H 
1 1 1 1 1 1 1 1 1 1 1 III 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
o w 
INnNNNCOnnMWMnnClNMNMraNMNNNNMINNnmiNNMKNNCO 
+++++++++++++++++++++++++++++++++++++ 
Inflow 
from 
Superior 
(-/a) 
»OU3iO'0'0"2iOiO'OOOiOiOiOiOiCliC3iC5iOM , U5Tt<iOMiioiOTl<ioiO'*'*UOiO'0'^<lOiO 
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
Rise of 
mean lake 
surface 
Hi) 
OOOOOOOOOOOOOO 
1CJO ^<»HN i-lr-li-Hi-Cr-Cr-l 
1 + 1 +++ 1 1 + 1 1 1 
OOOOOOOOOOOOOOOOOOOOOO 
COIN CNCN<N->J<C0-<i<C0CNCN NnOH1«cfl!DMC 
i + i i i i +++ i i +T++++ i i + 
•v a 
v p 
w > 
.Q a 
O "3 
corrected for 
wind and 
barometric 
effects 
579.+ 
HncJn^HHrtOOlOOlOSN^HCOWHOlNnOOMHOSOOWlONHOlMHN 
,-vCN CNi-iCNCNCOCOCOCOCNCOCMCNCN NNNNHHHHMNCMHHlNHrtHCqNNINCN 
-a 
> 
u 
a 
c 
elevation 
of lake 
surface 
579.+ 
HMOiON»iflHrtNnooooNNcoiN'fNnoiOHNc)>coo)cO!oninon«i©ic) 
^NNhNh (MnrannnCllNlNINWNMINNlNHlNINHnrtOHHHrtHNCIHH 
I 
Q 
H«'*i')tON«)0>OHNC<)'liiOtDNMOOHNCO'*lO!flt-MOlOHNMTi(lO!OhcC 
Sept. 
1 
Oct 
58 
