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 |
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 | 13/10 | 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 |
|
Mean |
14.4 |
X |
X |
X |
X |
7.9 |
X |
X |
X |
X |
5.7 |
X |
X |
11.9 |
12.1 |
3.8 |
11.6 |
170.6 |
42.1 |
X |
X |
1015.1 |
X |
X |
X |
X |
4.7 |
2.1 |
0.7 |
0.6 |
0.5 |
1.6 |
Mean |
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(This page last updated 17th April 2006 2025 GMT)