Royston (Iceni) Weather Station

30 Year (1981/2010) Autumn* Temperature, Rainfall & Pressure Means

(*September/November)

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)

     N o. o f D a y s W i t h

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    

1981

14.1

25.0

10/09

5.8

24/11

7.5

15.7

18/09

-0.9

17/10

5.8

-3.4

17/10

11.7

11.8

1

10

169.2

44

17.6

19/09

1015

1036

06/11

985

20/09

3

0

2

0

2

2

1981

1982

14.5

27.0

18/09

1.4

30/11

8.4

15.9

20/09

-3.0

30/11

6.2

-6.3

30/11

12.3

12.5

3

9

253.6

47

38.1

02/10

1012

1036

30/11

980

13/10

8

4

0

0

0

2

1982

1983

14.1

24.4

26/09

2.0

22/11

8.2

16.1

01/09

-3.5

15/11

5.7

-9.8

15/11

12.0

12.1

6

12

133.4

40

27.6

26/11

1018

1040

22/10

971

27/11

3

1

0

0

0

0

1983

1984

14.3

25.0

02/09

4.2

15/11

8.8

16.1

01/09

1.0

16/11

6.8

-3.2

27/10

12.3

12.4

0

3

232.4

52

28.2

20/09

1011

1030

15/10

977

23/11

5

5

0

0

0

9

1984

1985

14.0

27.5

01/10

0.7

19/11

7.0

16.3

22/09

-3.0

12/11

5.0

-7.0

29/11

11.4

11.5

11

21

70.2

28

10.1

06/10

1020

1040

18/11

979

05/11

8

5

4

3

0

1

1985

1986

14.4

21.5

09/10

3.5

29/11

7.2

14.0

28/10

0.1

29/11

5.2

-2.5

29/11

11.2

11.4

0

6

178.2

39

28.3

13/09

1020

1040

19/09

984

20/10

6

2

0

0

0

0

1986

1987

13.9

24.0

01/09

2.5

28/11

7.6

15.6

21/09

-3.3

29/11

5.6

-7.0

29/11

11.9

11.9

1

14

216.0

51

23.9

15/10

1015

1039

04/11

964

16/10

6

2

0

0

2

1

1987

1988

13.6

25.0

07/09

2.0

21/11

7.2

15.3

26/09

-2.6

22/11

4.8

-7.8

05/11

11.2

11.3

9

22

113.1

35

17.9

24/09

1020

1036

14/11

988

02/09

9

5

2

5

1

0

1988

1989

14.9

26.0

07/09

2.4

30/11

8.5

16.4

17/09

-3.8

30/11

5.9

-8.4

30/11

12.5

12.6

5

13

89.6

34

11.4

19/10

1018

1035

29/09

988

08/11

6

4

0

0

0

1

1989

1990

14.8

25.0

02/09

4.0

22/11

8.1

15.5

02/09

0.4

06/11

5.8

-5.0

06/11

12.3

12.5

0

13

107.1

40

11.3

29/09

1015

1034

30/11

979

28/10

7

3

0

0

0

1

1990

1991

14.6

29.0

01/09

6.3

14/11

7.8

16.4

24/09

-1.0

21/11

5.0

-5.9

21/11

12.3

12.5

1

12

138.3

37

19.9

26/11

1017

1036

23/10

988

12/11

4

4

0

0

1

2

1991

1992

13.3

23.0

26/09

5.6

13/11

7.2

14.7

18/09

-0.3

14/11

4.4

-5.2

14/11

11.2

11.3

1

13

278.5

48

78.1

22/09

1014

1033

06/11

984

11/11

1

0

0

0

1

4

1992

1993

11.9

23.3

01/09

0.0

23/11

5.9

14.6

09/09

-5.4

24/11

3.1

-9.9

24/11

10.9

10.9

12

18

240.1

44

31.5

12/10

1016

1040

18/10

982

01/10

4

2

2

4

0

0

1993

1994

14.5

21.1

02/09

7.6

30/11

8.8

14.4

04/09

-0.1

29/11

6.5

-4.0

29/11

12.5

12.6

1

4

183.7

38

16.3

15/09

1014

1038

28/11

983

22/10

5

3

0

0

1

1

1994

1995

15.3

24.0

08/10

3.6

17/11

8.9

15.0

07/09

-1.3

18/11

6.3

-5.5

18/11

12.5

12.6

2

13

174.3

39

44.0

16/09

1016

1037

05/11

985

06/09

3

0

0

0

0

4

1995

1996

14.4

23.1

05/09

3.5

27/11

7.4

15.0

03/09

-2.0

19/11

5.3

-5.9

19/11

11.5

11.5

10

16

127.9

44

13.0

19/11

1015

1029

01/09

971

19/11

2

0

2

0

0

0

1996

1997

15.3

23.7

01/10

7.5

30/11

8.0

15.5

01/10

-3.6

29/10

5.4

-8.3

29/10

12.0

12.3

6

17

111.1

36

18.5

11/10

1013

1036

29/10

981

08/11

4

0

0

0

1

0

1997

1998

13.7

23.5

01/09

2.1

17/11

7.6

16.0

19/09

-3.5

18/11

5.6

-6.0

18/11

11.8

12.0

5

14

248.1

54

33.3

26/09

1012

1035

21/09

976

24/10

7

3

0

0

0

2

1998

1999

15.5

28.9

11/09

5.3

18/11

8.5

16.1

11/09

0.0

18/11

6.3

-2.7

21/11

12.5

12.7

0

15

138.6

45

14.4

19/09

1013

1038

9/11

971

24/10

2

0

0

0

1

4

1999

2000

14.5

27.5

11/09

6.5

20/11

8.6

17.4

20/09

0.0

15/11

6.9

-3.1

15/11

12.0

12.2

0

3

334.1

56

34.3

20/10

1005

1025

6/11

962

11/10

2

0

0

0

0

2

2000

2001

14.9

23.0

13/10

4.9

08/11

8.8

15.6

02/09

-0.9

10/11

7.2

-3.8

15/11

12.5

12.6

4

7

249.1

51

51.8

20/10

1016

1042

16/11

987

07/10

2

1

2

0

0

1

2001

2002

14.9

24.5

13/09

7.9

25/11

8.1

14.9

06/09

1.1

19/10

5.9

-2.4

18/11

12.4

12.6

0

1

201.5

43

32.9

09/09

1012

1033

01/09

968

14/11

6

3

0

0

0

1

2002

2003

15.5

27.2

16/09

7.0

23/11

7.3

15.2

22/09

0.2

24/10

5.1

-3.1

24/10

11.7

12.1

0

15

155.0

38

20.6

22/11

1015

1034

24/09

971

31/10

2

0

0

0

2

1

2003

2004

15.2

28.5

05/09

3.9

20/11

8.5

15.8

11/09

-1.0

20/11

6.5

-6.1

20/11

12.8

13.0

3

8

142.6

42

28.3

18/11

1015

1038

14/11

985

20/10

2

0

1

2

0

0

2004

2005

15.8

27.4

04/09

3.0

25/11

8.9

16.6

05/09

-2.3

18/11

6.9

-5.5

18/11

13.2

13.3

8

11

169.4

41

23.3

04/09

1015

1040

22/11

986

25/11

6

1

0

0

0

5

2005

2006

17.1

28.6

11/09

8.4

21/11

10.2

18.3

5/09

-0.1

2/11

8.1

-3.5

2/11

13.8

14.0

1

5

173.4

45

15.3

17/11

1009

1035

10/11

976

23/11

4

1

0

0

1

4

2006

2007

14.9

24.0

05/09

5.5

23/11

7.9

14.4

07/09

-1.0

24/11

5.3

-5.1

15/11

12.4

12.6

3

15

119.0

27

23.8

16/10

1019

1035

20/10

991

19/11

1

0

1

0

1

1

2007

2008

14.1

21.6

12/10

3.5

29/11

7.6

14.6

11/09

-2.5

29/10

5.4

-6.0

29/10

12.0

12.1

5

13

161.0

51

20.3

01/11

1012

1036

26/09

983

05/09

5

2

2

0

0

1

2008

2009

15.7

27.1

08/09

5.7

30/11

8.9

17.0

08/09

1.5

10/11

6.5

-2.5

09/11

12.8

13.1

0

4

143.9

41

14.4

28/11

1012

1037

11/09

982

03/11

1

0

0

0

0

0

2009

2010

13.7

23.6

22/09

-1.0

28/11

7.4

15.5

11/09

-7.1

28/11

5.3

-10.5

28/11

11.7

11.9

8

20

151.8

52

14.1

05/11

1010

1029

25/10

966

08/11

6

0

4

2

0

0

2010

Mean

14.6

X

X

X

X

8.0

X

X

X

X

5.8

X

X

12.1

12.3

3.5

11.6

173.5

42.7

X

X

1014

X

X

X

X

4.3

1.7

0.7

0.5

0.5

1.7

Mean

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(This page last updated 19th July 2011 2019 GMT)