T1 ˚C

T2 ˚C

T3 ˚C

T4 ˚C

T5 ˚C

T6 ˚C

T7 ˚C

T8 ˚C

$\frac{T_{\max }-T_{\min }}{T_{\max }+T_{\min }}$ *

14.6

15.1

14.6

14.6

14.5

15.0

14.5

14.5

0.02

20.3

20.4

20.7

20.2

20.3

20.3

20.7

20.2

0.01

25.4

25.6

25.9

25.3

25.8

25.6

25.8

25.5

0.01

29.5

29.8

29.9

29.5

29.6

30.0

30.0

29.5

0.01

34.2

34.5

34.5

34.3

34.3

34.6

34.6

34.3

0.01

39.8

40.1

40.4

39.8

40.0

40.2

40.0

40.0

0.01

44.6

44.8

45.3

44.8

44.9

45.0

45.2

44.6

0.01

49.6

49.8

50.6

49.9

49.5

50.0

50.6

49.9

0.01

54.7

54.9

55.8

55.0

54.7

55.0

56.0

55.2

0.01

59.2

59.5

60.1

59.5

59.4

59.6

60.1

59.2

0.01

64.3

64.5

65.4

64.6

64.2

64.6

65.3

64.5

0.01

69.8

70.1

70.9

70.1

69.6

70.0

70.8

70.1

0.01

75.6

75.6

77.0

75.8

75.4

75.6

76.8

75.8

0.01