Altitude

Ozone, ppm

Equator 0˚N

60˚N

Z, km

June

July

August

September

October

October

M

C

C

C

C

M

[(C − M)/M]²

C

M

[(C − M)/M]²

45

3.00

3.00

3.00

3.00

3.00

3.00

0.000

3.00

3.00

0.000

43.5

3.48

3.67

3.82

3.98

4.16

3.48

0.039

3.56

3.96

0.010

42

4.16

4.27

4.38

4.51

4.66

3.94

0.033

3.91

4.71

0.029

40.5

4.89

5.01

5.14

5.27

5.43

4.43

0.052

4.55

5.39

0.025

39

5.68

5.81

5.94

6.08

6.24

5.23

0.038

5.38

6.18

0.017

37.5

6.34

6.49

6.64

6.79

6.96

6.09

0.021

6.22

6.84

0.008

36

7.09

7.20

7.33

7.46

7.63

7.18

0.004

6.95

7.21

0.001

34.5

7.62

7.77

7.91

8.05

8.22

7.90

0.002

7.60

7.38

0.001

33

8.18

8.30

8.43

8.57

8.74

8.72

0.000

8.07

7.32

0.011

31.5

8.57

8.72

8.86

9.00

9.16

9.28

0.000

8.25

7.10

0.026

30

9.01

9.11

9.21

9.30

9.41

9.76

0.001

8.19

6.73

0.047

28.5

9.06

9.14

9.21

9.27

9.33

9.78

0.002

7.88

6.54

0.042

27

8.87

8.88

8.88

8.89

8.89

9.37

0.003

7.37

6.20

0.035

25.5

8.21

8.16

8.11

8.06

8.01

8.59

0.005

6.71

5.73

0.030

24

6.95

6.87

6.80

6.73

6.65

7.00

0.003

5.85

5.26

0.012

22.5

5.33

5.26

5.19

5.12

5.05

5.33

0.003

4.82

4.75

0.000

21

3.64

3.60

3.56

3.53

3.49

3.97

0.015

3.91

3.80

0.001

19.5

2.19

2.21

2.22

2.23

2.23

2.73

0.034

3.13

2.93

0.005

18

1.26

1.26

1.26

1.27

1.28

1.55

0.030

2.36

2.14

0.011

16.5

0.50

0.53

0.57

0.61

0.65

0.98

0.109

1.79

1.55

0.023

15

0.50

0.50

0.50

0.50

0.50

0.50

0.000

0.50

0.50

0.000

Avg. (ppm)

5.45

5.51

5.57

5.63

5.70

5.66

0.019

5.24

5.01

0.016

Dobson Unit (DU)

320

316

318

321

323

353

297

265

Coefficient of Variation (%)

13.7%

12.6%