Date

Mean Pressure (hPa)

Air Temperature

Mean

Relative

Humidity

(%)

Total

Rainfall

(mm)

Maximum

(deg. C)

Mean

(deg. C)

Minimum

(deg. C)

October 2017

01

1011.7

30.1

28.4

27.6

86

6.6

02

1011.1

32.7

29.2

26.4

83

3.6

03

1012.3

33.5

30.1

28.3

78

0

04

1014

31

28.7

27.5

82

9.5

05

1013.3

30.3

28.5

27.5

76

Trace

06

1013.1

31.1

28.9

27.4

75

0.2

07

1013

31.7

29.3

27.9

74

0

08

1011.8

31.5

28.9

27.3

75

0

09

1010.1

30.9

29.4

28.1

71

Trace

10

1010.8

32.3

29.8

28.6

74

Trace

11

1011.2

32.5

29.8

28.3

73

0.2

12

1009.9

32.7

29.5

27.6

69

0

13

1007.9

30.6

27

24.5

64

0

14

1004.5

25.6

24.5

21.9

68

0.4

15

1000.3

26.9

23.3

20.4

89

20.7

16

1008.1

27.5

26.7

25.6

91

17.1

17

1012.2

27.6

25.8

24.7

87

41.3

18

1013

29.5

26.2

24

74

Trace

19

1011.9

27.9

25.4

23.4

71

0

20

1012.1

27.8

24.1

22.3

69

0

21

1012.1

27.2

23.6

21.6

64

0

22

1012.4

26.3

22.9

20.2

60

0

23

1015.6

27.7

23.7

20.8

62

0

24

1018.5

27.3

24.4

22.5

65

0

25

1018.8

26.4

24.1

22.7

69

Trace

26

1016.3

28.1

24.4

22.1

71

0

27

1013.9

28.6

24.9

22.1

60

0

28

1014.8

28

24.8

22.5

54

0

29

1018

27

24.1

21.7

53

0

30

1020.9

25

22.7

20.5

55

Trace

31

1019.7

25

22

19

61

Trace

Source: Hong Kong Observatory – Hong Kong Observatory