Royston (Iceni) Weather Station

30 Year (1976/2005) 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 08hrs

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 @ 08 hrs)

Fog (vis. < 200m @ 08 hrs)

Snow or Rain and Snow

Snow Lying (> 50% cover @ 08 hrs)

Hail

Thunder

 

1976

13.5

22.9

07/09

4.6

14/11

7.0

14.0

25/09

-1.0

11/11

5.9

-4.9

11/11

12.1

12.2

3

9

256.4

55

28.0

12/11

1012

1041

19/11

977

14/10

9

5

0

0

0

1

1976

1977

14.3

23.3

11/09

4.0

29/11

7.1

13.8

06/09

-1.4

27/11

5.8

-5.5

27/11

11.9

12.0

7

11

92.8

41

10.8

21/10

1016

1036

13/09

985

14/11

4

2

2

0

2

1

1977

1978

15.2

24.5

11/10

0.5

30/11

8.2

16.3

11/09

-6.9

30/11

7.0

-10.5

30/11

12.3

12.4

5

7

48.9

23

11.2

13/09

1022

1033

27/10

1003

29/09

6

3

1

1

0

0

1978

1979

14.6

25.6

06/09

4.3

13/11

7.7

16.6

19/09

-2.2

13/11

4.4

-7.6

13/11

9.8

9.9

3

12

128.8

38

27.5

25/10

1015

1034

21/11

992

14/11

8

3

0

0

0

0

1979

1980

13.7

24.0

03/09

1.4

29/11

7.5

15.2

21/09

-3.5

03/11

5.6

-8.0

03/11

11.4

11.5

7

18

135.3

40

24.2

15/10

1015

1044

30/11

989

07/10

2

1

4

2

1

2

1980

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