Royston (Iceni) Weather Station

Daily Weather Observations - December 1998

(All times GMT)

Date

Max. Temp. (Deg.C) 09/09h

Min. Temp. (Deg.C) 09/09h

Grass Min. Temp. (Deg.C) 21/09h

Earth (30cms) Temp. 09h

Sunshine (Hours) 00/00h

Rainfall (MM) 09/09h

Wind Direction 09h

Mean Wind Speed (MPH) 00/00

Maximum Gust Speed (MPH) 00/00

Cloud Cover (Oktas) 09h

Mean MSL Pressure (Mb) 00/00h

Mean Relative Humidity (%) 00/00h

Mean Temp. 00/00h

Fog (vis. <1000m @ 09h)

Fog (vis. <200m @ 09h)

Snow or Rain and Snow 00/00h

Snow Lying @ 09h (>50% cover)

Hail 00/00h

Thunder 00/00h

1

3.7

0.0

-4.2

5.2

0.00

0.0

NE

0.5

12

8

1036.5

91.9

2.6

0

0

0

0

0

0

2

3.4

0.9

-3.0

5.0

1.46

0.0

NE

1.8

18

8

1030.1

91.6

2.0

0

0

0

0

0

0

3

3.1

0.7

0.5

5.0

0.00

0.4

CALM

0.8

12

8

1019.9

89.5

1.2

0

0

0

0

0

0

4

3.9

0.0

-1.9

4.8

3.48

0.0

NW

4.2

21

0

1013.6

90.5

1.8

0

0

0

0

0

0

5

2.5

-1.6

-4.5

4.2

0.43

0.6

W

4.4

18

8

1015.2

87.1

-0.1

0

0

1

0

1

0

6

2.0

-2.8

-5.6

3.5

6.67

0.1

W

2.9

16

0

1024.4

86.1

-1.0

0

0

0

0

0

0

7

6.6

-1.4

-5.2

3.2

0.00

0.3

CALM

2.3

16

8

1027.7

89.6

1.9

0

0

0

0

0

0

8

9.0

3.0

2.0

3.0

0.00

2.2

S

6.5

30

8

1022.2

98.1

7.1

0

0

0

0

0

0

9

9.5

7.9

7.0

4.4

0.00

0.0

S

1.3

12

7

1019.4

98.2

8.6

1

0

0

0

0

0

10

9.5

6.1

4.0

5.4

3.37

9.0

S

6.0

30

8

1014.0

97.1

7.9

0

0

0

0

0

0

11

12.5

4.7

2.0

5.7

2.60

0.8

W

5.3

30

5

1014.9

97.0

6.4

0

0

0

0

0

0

12

13.2

8.5

8.1

6.0

2.68

3.7

SW

7.3

60

2

1010.5

92.9

10.6

0

0

0

0

0

0

13

13.5

6.7

4.3

6.5

2.36

0.0

SW

9.9

39

6

1023.4

82.7

8.6

0

0

0

0

0

0

14

14.1

10.3

10.0

6.9

1.05

0.1

SW

11.4

39

8

1022.0

89.7

12.6

0

0

0

0

0

0

15

12.3

11.9

10.6

7.8

0.00

2.5

SW

5.0

25

8

1023.2

95.3

10.7

0

0

0

0

0

0

16

9.6

5.6

3.5

7.5

3.04

0.0

S

6.9

25

7

1029.1

90.8

7.5

0

0

0

0

0

0

17

9.5

4.7

2.1

7.1

0.46

0.3

SW

5.9

30

4

1020.6

92.7

6.6

0

0

0

0

0

0

18

8.6

6.2

4.0

7.0

1.43

5.4

SW

6.2

30

1

1011.8

92.6

8.0

0

0

0

0

0

0

19

7.6

4.0

1.5

6.8

3.54

0.1

W

7.3

32

2

1009.9

86.5

5.0

0

0

0

0

0

0

20

3.6

0.5

-2.2

6.0

4.57

0.0

N

2.1

21

2

1015.7

92.1

1.1

0

0

0

0

0

0

21

3.8

-2.9

-6.5

4.9

1.62

0.7

W

3.8

21

7

1022.4

86.0

-0.2

0

0

0

0

0

0

22

9.1

-1.3

-4.5

4.3

3.16

0.1

CALM

2.8

23

2

1021.2

98.8

2.6

1

0

0

0

0

0

23

8.6

4.9

4.5

4.6

0.00

6.9

SW

5.5

28

8

1014.8

95.9

6.6

0

0

0

0

0

0

24

11.1

0.9

-2.1

5.0

4.28

2.5

SW

7.3

37

1

1016.4

90.8

4.3

0

0

0

0

0

0

25

11.5

8.5

7.5

5.2

0.00

8.1

SW

11.7

39

8

1010.1

92.0

9.9

0

0

0

0

0

0

26

12.8

4.1

1.8

6.0

0.00

2.9

S

12.1

55

8

1002.6

84.4

7.5

0

0

0

0

0

0

27

8.5

5.5

3.7

6.0

0.07

0.9

S

8.2

48

8

996.6

83.0

7.1

0

0

0

0

0

0

28

7.2

5.4

3.6

5.9

5.22

0.0

SW

7.3

32

7

1003.6

79.5

5.0

0

0

0

0

0

0

29

10.3

0.9

-1.4

5.0

0.00

0.0

SE

5.1

32

8

1005.8

92.9

4.8

0

0

0

0

0

0

30

11.0

8.0

6.0

5.2

1.84

0.4

S

5.0

28

8

1001.6

88.2

9.2

0

0

0

0

0

0

31

9.3

8.5

7.2

6.0

0.01

0.8

SE

4.4

23

8

1000.1

94.7

8.4

0

0

0

0

0

0

Mean/

Total

8.4

3.8

1.7

5.5

53.34

48.8

X

5.5

X

5.8

1016.1

90.9

5.6

2

0

1

0

1

0

NOTE: Days with no rainfall or rainfall "trace" shown as "0.0"; days with rainfall "trace" in italics.

ADDITIONAL METLOG MONTHLY DATA:

Rainfall 50.4 mm; rainfall duration 65.2 hrs; frost duration 62.7 hrs.

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(This page last updated 9th October 2007 1920 GMT)