Date

Mean Pressure (hPa)

Air Temperature

Mean

Relative

Humidity

(%)

Total

Rainfall

(mm)

Maximum

(deg. C)

Mean

(deg. C)

Minimum

(deg. C)

April 2018

01

1014.5

27.9

23.6

21.3

73

0

02

1013.6

28.7

24.3

21.5

71

0

03

1013.6

29.4

24.7

21.9

74

0

04

1012.7

28.5

24.7

22.6

78

0

05

1011.6

27.8

24.6

22.7

78

0

06

1015.1

26.6

22.3

17.5

70

Trace

07

1023.6

20.3

18

16.1

45

Trace

08

1020.7

24.9

20.1

16.3

53

0

09

1017.6

26.5

22

19

75

0

10

1014.7

28.5

23.8

21.1

78

0

11

1012.3

27.6

24.6

22.5

83

0

12

1011.1

28.1

25.6

23.9

82

0

13

1011.7

30.6

26.7

24.6

79

Trace

14

1011.3

29.9

26.7

25.2

79

Trace

15

1014.2

25.7

21

18.6

85

17.2

16

1016.5

19.4

18.5

17.5

88

2

17

1017.1

22.9

19.9

17.4

82

0.2

18

1015.8

25.6

22.5

21.1

78

0.1

19

1014.6

26.3

23.2

21.4

76

0

20

1014.1

26.2

23.2

22.5

83

Trace

21

1013.1

27.5

24.5

23

83

Trace

22

1011.2

29

25.2

23.7

86

Trace

23

1009.2

30.2

26.3

24.3

79

Trace

24

1009.9

26.7

25.2

23.9

85

8.2

25

1012.1

24.7

23.7

23.3

79

Trace

26

1013.6

24.6

23.4

22.7

84

0.3

27

1015

28.5

24.9

22.9

80

Trace

28

1015

26.4

24.5

23.1

84

0.1

29

1013.3

29.3

25.6

23.9

82

Trace

30

1012.9

29.2

26.1

24.6

85

Trace

Source: Hong Kong Observatory – Hong Kong Observatory