Date

Mean Pressure (hPa)

Air Temperature

Mean

Relative

Humidity

(%)

Total

Rainfall

(mm)

Maximum

(deg. C)

Mean

(deg. C)

Minimum

(deg. C)

April 2017

01

1019.9

23.9

18.7

15.5

70

0.2

02

1021.5

24.2

19.9

17.0

64

0.0

03

1020.8

24.5

20.7

17.5

68

0.0

04

1018.4

26.0

21.9

19.3

77

0.0

05

1014.8

27.9

23.4

20.9

81

0.0

06

1012.5

25.0

23.5

22.5

87

0.3

07

1012.4

27.9

24.5

22.6

84

0.0

08

1012.2

27.5

25.0

23.0

85

0.0

09

1009.4

27.9

25.8

23.5

84

0.0

10

1006.6

28.1

27.0

26.3

83

Trace

11

1007.7

27.8

26.1

22.2

90

0.6

12

1013.2

22.8

20.6

18.2

89

21.5

13

1017.4

21.5

20.0

18.8

80

Trace

14

1015.2

24.7

21.9

19.9

78

0.0

15

1013.5

26.9

23.6

21.6

86

0.0

16

1013.3

30.2

25.7

23.0

82

Trace

17

1010.9

29.4

26.0

23.7

79

Trace

18

1008.9

30.7

26.7

23.9

79

0.0

19

1009.1

29.4

26.7

24.7

78

0.0

20

1009.8

27.5

26.1

25.1

86

3.1

21

1008.1

29.4

26.2

22.8

88

7.8

22

1012.9

24.5

20.6

18.5

79

6.6

23

1014.8

21.8

20.8

19.9

83

1.4

24

1014.3

22.8

21.5

20.9

83

Trace

25

1012.4

22.9

21.9

20.7

92

10.9

26

1010.9

26.8

23.7

22.4

95

2.9

27

1012.5

24.0

22.3

20.6

88

3.5

28

1015.2

24.8

21.8

20.2

74

0.0

29

1014.4

27.3

23.0

19.9

75

0.0

30

1015.3

23.7

20.1

15.5

92

21.9

Source: Hong Kong Observatory – Hong Kong Observatory