Month

P

H

α

z o

u *

January

0.88

1.40

0.21

0.20

0.35

February

0.98

1.05

0.24

0.33

0.39

March

1.10

0.53

0.28

0.61

0.4

April

0.98

1.169

0.23

0.30

0.39

May

1.00

1.26

0.23

0.28

0.40

June

0.68

1.85

0.17

0.06

0.27

July

0.60

1.69

0.17

0.06

0.24

August

0.52

1.58

0.16

0.04

0.20

September

0.73

0.56

0.26

0.46

0.29

October

0.88

0.33

0.29

0.68

0.35

November

0.86

0.36

0.28

0.65

0.34

December

0.85

1.12

0.22

0.26

0.34

Annual

0.85

1.06

0.23

0.28

0.34