The currents of Lakes Michigan and Huron / John C. Ayers.

30

Table 1. Wind data, Lake Michigan, 1955.
Dir. = prevailing direction; mph = average velocity, mph.

Date
29 June
28
27
26
25
24
23
22
21
20
19
10 August
9
8
7
6
5
4
3
2
1
31 July

Chicago
Dir. mph
SSW 10.4
S 8.1
ENE 7.0
ENE 7.1
NE 9.6
E 6.9
NW 8.5
NW 10.9
NW 10.8
WNW 6.6
SW 9.2
E 4.7
E 5.8
ENE 9.8
NNE 12.7
WNW 8.3
SW 7.5
SW 10.4
SW 10.1
E 6.0
E 6.7
S 6.3

Milwaukee Grand Rapids
Dir. mph Dir. mph

Escanaba Sault Ste.Marie
Dir. mph Dir. mph

SSW 13.1
SSW 12.4
ESE 8.1
ENE 6.3
ENE 9.4
W 8.6
WNW 11.0
WNW 17.7
WNW 15.1
SW 8.1
S 5.9
WNW 9.8
ESE 8.6
ENE 14.2
NE 20.1
SSW 8.6
SW 9.8
SW 13.1
SW 12.1
E 6.3
NNE 7.2
SW 9.8

SSW 6.8
NW 3.5
NW 2.4
N 6.1
NNW 5.5
WNW 6.0
WNW 5.6
NW 9.3
WNW 8.4
W 4.3
ESE 3.1
WNW 4.3
E 5.2
E 8.3
N 10.0
S 6.1
W 8.2
W 9.0
W 7.1
WNW 4.6
NW 5.4
W 4.5

S
S
S
NW
N
N
S
NW
NW
S
S
NW
S
S
N
N
N
S
S
N
S
SW

9.3
9.2
7.1
6.2
11.5
7.6
5.7
13.6
11.1
7.7
8.0
9.3
9.4
6.5
16.8
6.1
10.2
6.5
6.6
6.2
7.1
7.5

SE 5.4
SW 5.1
W 7.5
WNW 9.6
NW 9.3
WNW 8.6
WNW 9.3
WNW 12.8
WNW 10.9
SW 5.9
SW 7.4
WNW 7.5
SE 8.4
ENE 5.2
NW 12.7
ESE 7.1
WNW 8.4
WNW 7.6
SE 4.8
WNW 5.5
WNW 5.2
SW 6.8