A NEW EVAPORATION FORMULA T.) 
Table 22— Observed and corrected elevations of water surface at Mackinaw gage on Lake M ichigon-IIurmi 
Date 
Barometric 
correction 
Wind 
correction 
Observed 
elevation 
579.+ 
Corrected 
elevation 
:,70. + 
1910 
Ut.) 
+0.04 
+ .06 
+ .05 
+ .01 
+ .04 
+ .04 
+ .02 
+ .01 
+ .04 
+ .04 
+ .04 
- .06 
- .07 
- .04 
- .03 
- .06 
- .06 
.00 
- .01 
+ .03 
- .01 
- .02 
+ .04 
+ .05 
+ .01 
- .04 
+ .01 
+ .02 
- .01 
- .01 
- .02 
- .02 
+ .10 
+ .08 
- .02 
- .04 
- .01 
- .08 
- .02 
- .01 
- .05 
- .02 
- .03 
- .06 
- .01 
+ .09 
+ -12 
+ .09 
- .04 
- .12 
- .06 
- .01 
- .03 
- .13 
- .01 
- .03 
+ .03 
+ .02 
- .02 
+ .06 
- .01 
.00 
+ .02 
- .06 
Ut.) 
0.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.09 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
.00 
Ut.) 
1 . 38 
1.37 
1.41 
1.44 
1.43 
1.46 
1.4G 
1.47 
1.45 
1.45 
1.44 
1.53 
1.53 
1.50 
1.52 
1.52 
1.57 
1.52 
1.52 
1.50 
1.52 
1.53 
1.50 
1.43 
1.48 
1.51 
1.49 
1.50 
1.50 
CM 
1.42 
1 . ».i 
1.40 
1.45 
1.47 
1 . 50 
1.48 
1.48 
1.49 
1.49 
1.48 
1.47 
1.46 
1.46 
1.49 
1.46 
1.51 
1.52 
1.51 
1.53 
1.51 
1.51 
1.54 
1.48 
1.49 
1.47 
1.50 
1.52 
1.49 
2 
3 
4 
6 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18. . 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
July 1 
2 
1.51 
1.37 
1.36 
1.49 
1.47 
1.44 
3 
4 
5 
6 
1.46 
1.46 
1.50 
1.40 
1.45 
1.48 
1.39 
1.47 
1.44 
1.46 
1.32 
1.27 
1.33 
1.43 
1.49 
1.43 
1.42 
1.45 
1.42 
1.38 
1.44 
1.43 
1.37 
1.44 
1.38 
1.45 
1.41 
1.39 
1.42 
1.39 
1.37 
1.37 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
1.41 
1.38 
24 . 
25 
26 
1.38 
1.34 
1.34 
1.41 
1.29 
1.34 
1.36 
1.32 
1.44 
1.35 
1.37 
1.36 
1.39 
1.35 
1.33 
1.36 
1 . 34 
1.38 
27 
28 
29 
30 
31 
Aug. 1 
2 
3 
