Royston (Iceni) Weather Station

30 Year (1980/81 - 2009/10) Winter* Temperature, Rainfall & Pressure Means

* December/February

  Year

            T e m p e r a t u r e  (C)

    R a i n f a l l  (MM)

      P r e s s u r e  (m b)

            No. of Days With                          Year

Mean Maximum

Highest Maximum

Date

Lowest Maximum

Date

Mean Minimum

Highest Minimum

Date

Lowest Minimum

Date

Mean Grass Minimum

Lowest Grass Minimum

Date

Mean Earth 30cms 09hrs

Mean Earth 30cms 21hrs

No. of Air Frosts

No. of Ground Frosts

Total

No. of Days with 0.2mm or more

Most in a Day

Date

Mean MSL Air Pressure

Highest

Date

Lowest

Date

Fog (vis. <1000m @ 09 hrs)

Fog (vis. < 200m @ 09 hrs)

Snow or Rain and Snow

Snow Lying (> 50% cover @ 09 hrs)

Hail

Thunder

1980/81

6.9

13.1

23/12

1.2

26/02

2.2

10.5

11/12

-5.0

14/02

0.5

-8.9

14/02

4.4

4.5

29

41

80.5

42

6.2

09/01

1020

1044

01/12

976

20/12

3

1

17

8

4

0

1980/81

1981/82

5.1

12.6

09/02

-3.2

13/01

0.4

9.5

04/01

-12.7

14/01

-1.6

-18.1

10/01

3.7

3.7

37

49

115.6

39

11.2

13/12

1013

1036

02/12

970

14/12

15

5

14

34

1

0

1981/82

1982/83

6.8

13.9

05/01

0.5

10/02

2.1

11.5

06/01

-6.0

14/02

-0.2

-10.0

04/02

4.3

4.4

28

43

125.8

35

14.1

09/12

1018

1040

20/01

976

20/12

3

0

12

18

0

0

1982/83

1983/84

6.7

12.9

13/01

-1.5

15/02

2.1

10.1

25/12

-4.5

20/02

0.0

-9.4

20/02

4.2

4.2

18

44

141.8

53

14.4

06/02

1014

1042

14/02

974

23/01

5

1

8

7

4

2

1983/84

1984/85

5.2

12.5

01/12

-4.2

16/01

0.3

9.0

01/02

-10.5

12/02

-2.0

-14.5

08/01

3.8

3.8

36

52

101.2

44

18.1

08/02

1019

1038

29/12

982

21/01

4

2

18

31

1

0

1984/85

1985/86

5.3

15.1

02/12

-2.6

21/02

1.1

12.5

03/12

-9.5

10/02

-0.9

-14.5

10/02

4.0

4.0

35

43

147.8

46

14.7

25/12

1013

1036

11/02

980

02/01

3

3

22

24

0

0

1985/86

1986/87

5.9

14.0

04/12

-7.3

12/01

1.3

12.0

05/12

-12.5

12/01

-1.0

-17.5

12/01

3.8

3.9

33

49

86.8

40

9.1

29/12

1018

1040

24/01

992

18/12

5

1

17

12

0

0

1986/87

1987/88

7.7

14.0

17/12

0.5

09/12

3.4

12.9

18/12

-3.3

08/12

1.6

-8.1

08/12

5.2

5.3

14

32

145.7

48

16.0

21/01

1013

1037

01/12

973

29/01

6

4

8

5

0

1

1987/88

1988/89

8.9

14.0

06/02

2.8

02/12

4.4

10.0

19/12

-0.5

02/02

2.6

-5.0

17/02

5.7

5.8

3

24

108.6

32

13.5

25/02

1023

1045

30/01

957

25/02

3

1

2

2

3

0

1988/89

1989/90

9.1

17.6

23/02

1.5

01/12

4.6

11.4

20/02

-3.5

01/12

2.6

-9.0

01/12

5.9

6.0

3

18

255.1

53

24.4

13/12

1011

1041

02/12

966

25/01

5

4

1

0

4

3

1989/90

1990/91

5.6

13.1

25/02

-3.5

07/02

1.2

9.7

22/12

-9.4

09/02

-0.9

-12.0

09/02

4.0

4.0

30

51

151.0

43

13.4

08/12

1019

1042

22/01

981

26/12

4

2

14

17

1

0

1990/91

1991/92

7.2

14.1

27/02

-2.0

11/12

2.5

12.4

22/12

-6.5

12/12

-0.2

-12.4

12/02

4.9

4.9

24

42

69.6

27

25.1

09/01

1029

1048

26/01

998

19/12

8

4

3

0

0

0

1991/92

1992/93

7.0

13.3

21/01

-1.0

02/01

2.8

9.8

17/01

-9.0

03/01

0.2

-12.6

03/01

5.3

5.3

17

39

102.0

44

11.6

13/01

1022

1041

27/12

976

02/12

10

4

6

1

0

0

1992/93

1993/94

7.5

14.4

19/12

-0.2

14/02

3.0

11.5

19/12

-5.9

21/02

0.9

-10.5

21/02

4.6

4.7

14

37

181.3

51

14.4

06/01

1009

1033

28/01

977

06/01

2

1

11

7

2

1

1993/94

1994/95

8.7

14.5

28/12

-1.4

23/12

3.8

12.3

28/12

-7.6

24/12

1.7

-12.0

24/12

5.9

5.9

13

28

233.7

55

18.7

21/01

1012

1038

12/01

983

22/01

1

0

4

3

4

2

1994/95

1995/96

4.7

12.1

22/12

-4.1

28/12

0.8

9.4

13/01

-9.8

29/12

-1.1

-13.1

29/12

4.2

4.3

38

48

173.7

43

25.0

19/12

1014

1038

10/12

983

23/12

9

4

16

19

4

0

1995/96

1996/97

6.4

13.5

23/02

-2.4

31/12

1.8

9.0

21/02

-7.9

03/01

-0.2

-13.1

03/01

3.8

3.9

26

41

86.8

42

11.0

24/02

1017

1043

28/01

977

19/02

8

2

12

14

1

1

1996/97

1997/98

9.0

18.5

13/02

1.4

02/12

4.0

11.2

10/12

-5.6

01/02

1.8

-9.4

01/02

5.8

5.9

10

29

106.6

36

9.4

18/12

1015

1038

24/02

975

02/01

6

2

4

1

2

1

1997/98

1998/99

8.3

14.2

06/01

1.9

09/02

3.3

11.9

15/12

-4.0

23/01

1.0

-8.0

09/02

5.2

5.3

18

35

137.3

52

10.5

27/01

1014

1041

31/01

987

16/01

3

0

5

3

3

0

1998/99

1999/00

8.2

13.6

08/02

0.6

19/12

3.1

9.5

01/12

-4.5

20/12

0.7

-8.0

20/12

4.9

5.0

15

37

165.1

56

12.9

22/12

1015

1041

16/01

976

24/12

1

0

6

3

1

0

1999/00

2000/01

7.2

13.5

11/12

-1.1

29/12

2.3

12.3

12/12

-5.6

16/01

0.3

-9.0

16/01

4.7

4.8

27

43

217.0

49

X

X

1010

1043

17/02

977

24/01

10

4

8

11

2

0

2000/01

2001/02

8.4

13.5

27/01

1.5

22/12

3.5

12.2

02/02

-4.1

15/12

1.3

-7.9

02/01

5.5

5.6

21

37

104.8

45

9.6

03/02

1018

1042

14/12

977

24/01

7

4

5

2

1

0

2001/02

2002/03

7.3

13.5

27/02

0.1

07/01

2.6

9.7

24/12

-6.1

18/02

0.4

-10.0

18/02

5.0

5.1

27

38

198.1

51

23.0

01/01

1016

1041

17/02

976

02/01

5

4

8

5

3

0

2002/03

2003/04

7.8

16.4

4/02

2.4

28/02

3.3

12.1

13/12

-4.5

29/01

1.5

-8.3

29/01

5.5

5.6

21

34

178.3

54

14.3

05/02

1015

1037

09/02

981

13/01

2

2

11

6

1

1

2003/04

2004/05

7.8

13.9

07/01

2.5

23/01

3.0

11.8

10/01

-4.5

28/02

0.9

-9.3

28/02

5.7

5.9

17

41

85.9

39

9.7

21/12

1020

1036

03/02

990

17/12

2

1

10

5

5

0

2004/05

2005/06

6.6

11.4

15/02

-1.5

02/02

2.1

8.2

19/01

-4.3

24/01

0.2

-9.5

28/12

4.7

4.8

27

41

71.3

36

9.5

30/12

1018

1041

12/12

977

02/12

0

0

10

5

0

0

2005/06

2006/07

9.3

14.3

4/12

1.2

22/12

4.5

13.0

5/12

-4.9

7/02

2.5

-10.4

7/02

6.6

6.8

16

24

195.4

56

17.9

30/12

1011

1044

22/12

981

8/12

4

2

4

3

0

1

2006/07

2007/08

9.1

14.1

06/12

2.0

19/12

3.5

12.1

19/01

-6.1

20/12

0.9

-11.3

17/02

5.8

5.9

14

32

113.4

38

13.3

11/01

1015

1043

16/02

971

15/01

5

3

1

0

0

0

2007/08

2008/09

6.1

14.4

27/02

-1.3

09/01

1.5

10.1

20/12

-7.0

06/01

-0.6

-14.0

06/01

4.3

4.4

33

50

136.4

40

19.6

09/02

1012

1038

26/12

963

23/01

3

0

11

17

0

0

2008/09

2009/10

5.0

12.2

05/12

0.0

4/01

0.6

10.4

06/12

-7.2

09/01

-1.4

-13.3

09/01

4.2

4.3

40

55

184.2

61

14.5

29/12

1008

1042

26/12

977

25/02

3

0

32

23

1

0

2009/10

Mean

7.2

X

X

X

X

2.5

X

X

X

X

0.4

X

X

4.9

4.9

22.8

39.2

140.0

45.0

X

X

1016

X

X

X

X

4.8

2.0

10.0

9.5

1.6

0.4

Mean

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(This page last updated 16th July 2011 2051 GMT)