Model

Slope

J.

F.

M.

A.

M

J.

J.

A.

S.

O.

N.

D.

Koronakis Model

15˚

11

9

8

9

5

7

3

5

9

11

6

8

30˚

12.5

13

10

8

6

9

8

6

8.5

10

9

6.5

45˚

14

11

8

6.5

9

11

6

8

9.5

8

7.5

8

60˚

9

8

6.5

7

11

7.5

7.5

5

6

9.5

11

4.5

75˚

10

9

9

12

7.5

8.5

10

7

7

7

8

7

90˚

7

11

7

13

4.5

6.5

4.5

4

11

8.5

9

10

Badescu Model

15˚

5

10

4.5

8.5

8.5

8.5

8

9

12

6.5

7.5

9

30˚

9

6

8

9

10

9

9.5

3

4.5

9.5

8.5

12

45˚

11

6

9

3.5

11

10

11

5.5

8.5

7

6

8

60˚

13

12

6.5

6

7.5

7

10

8.5

6

4.5

7

7

75˚

7

6

9

8

9.6

9.5

7.5

4.5

9

6

9

6.5

90˚

8

13.5

7.5

9

5.5

6.5

8.5

7

8.5

8.5

7.5

8

Reindle et al. Model

15˚

5.5

6

11

7

8

8

6

6

7

6

7

9

30˚

7

8

6.5

8.5

7

9

9

8

12

5.5

9

11

45˚

9

5.5

9

11

9.5

10

11

9.5

6.5

4.5

11

6.5

60˚

11

8

4.5

10.5

6.5

7

8.5

7

9

8.5

7.5

8

75˚

8.5

9

7

6.8

8

6.5

7

6.5

8.5

6.

8.5

9

90˚

7

7.5

9

9

7.5

5

9

4.5

7

7

9

7.5

Hay and Davies Model

15˚

11

15

9

8

6.5

3.7

2.3

3.3

6

9

8.4

11.8

30˚

9

8

12

5

6

4.3

5

6.2

4.3

7.5

10

17.2

45˚

8

14

8.5

9

9

6

3.7

7.8

6.4

6.7

7.8

14

60˚

9

6

8

9

10

9

9.5

3

4.5

9.5

8.5

12

75˚

11

6

9

3.5

11

10

11

5.5

8.5

7

6

8

90˚

13

12

6.5

6

7.5

7

10

8.5

6

4.5

7

7

Tian et al. Models

15˚

7

6

9

8

9.6

9.5

7.5

4.5

9

6

9

6.5

30˚

8

13.5

7.5

9

5.5

6.5

8.5

7

8.5

8.5

7.5

8

45˚

5.5

6

11

7

8

8

6

6

7

6

7

9

60˚

7

8

6.5

8.5

7

9

9

8

12

5.5

9

11

75˚

9

5.5

9

11

9.5

10

11

9.5

6.5

4.5

11

6.5

90˚

7.5

6

9

8.5

7

7.5

9

8

6.5

9

8

7.5