Royston (Iceni) Weather Station

Daily Weather Observations - May 1998

(All times GMT)

Date

Max

Min

Grass

Earth

Rain-

Sun-

Fog

Fog

Snow

Snow

Hail

Thunder

Temp

Temp

Min

Temp

fall

shine

(vis.<

(vis<

or

Lying

(Deg.C)

(Deg.C)

Temp

30cm

(mm)

(Hrs)

1000m

200m

Sleet

@

(Deg.C)

08hrs

08hrs)

08hrs)

08hrs

(Deg.C)

(X)

(X)

(X)

(X)

(X)

(X)

1

8.3

6.5

6.6

12.2

0.5

0.00

2

14.9

6.8

6.8

11.5

0.2

8.43

3

12.1

6.7

4.0

12.2

0.0

3.18

4

15.7

1.3

-1.8

11.6

0.0

6.31

5

13.5

7.8

4.5

12.0

0.0

0.85

6

17.9

10.1

8.5

12.1

0.2

5.82

7

15.9

11.1

10.0

13.0

0.0

1.08

8

23.9

7.9

6.0

13.0

0.0

9.09

9

23.8

13.1

10.4

14.2

0.2

13.16

10

20.8

10.6

7.4

15.1

0.0

7.09

11

20.5

8.5

6.6

15.5

0.0

5.33

12

19.8

9.9

10.0

15.6

0.0

3.64

13

24.5

9.6

9.9

15.6

0.0

6.03

X

14

24.5

11.7

9.5

16.1

0.0

8.78

15

25.5

9.5

7.1

16.7

0.0

10.85

X

16

23.7

7.3

4.0

17.1

0.0

11.42

17

21.3

5.7

3.4

17.0

0.0

13.20

18

22.8

4.7

2.0

16.8

0.0

14.68

19

23.5

7.2

4.0

17.0

0.0

13.19

20

22.0

8.8

7.0

17.5

7.6

8.60

X

X

21

15.9

11.5

10.1

17.9

0.3

3.29

22

16.7

5.4

3.0

16.5

0.0

5.70

23

17.5

9.2

7.3

16.5

0.0

1.56

24

16.8

11.0

8.8

16.5

0.0

2.66

25

19.3

10.1

7.7

16.0

0.7

2.94

26

16.0

10.1

9.9

16.3

0.5

0.38

27

10.9

6.1

6.5

16.0

1.2

0.48

28

15.6

6.6

4.7

15.0

0.0

1.11

29

20.6

9.9

6.9

14.9

0.0

10.88

30

23.3

7.5

3.9

15.8

0.5

15.30

31

20.8

8.6

6.0

16.7

0.0

4.45

Mean

19.0

8.4

6.5

15.2

11.9

199.48

3

0

0

0

0

1

/Total

NOTE : Days with either no rainfall or rainfall "trace" shown as "0.0".

Days with rainfall "trace" in italics (ie 4th, 5th, 8th, 10th, 12th and 28th).

METLOG DATA : Average wind speed 2.3 knots; maximum gust speed 32 knots (7th);

mean temperature 13.0 deg.C; frost duration NIL hours; mean MSL Pressure 1016.8 mb;

rainfall 12.0 millimetres; rainfall duration 12.7 hours.

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(This page last updated 9th October 2007 1937 GMT)