Royston (Iceni) Weather Station
30 Year (1976/2005) Spring* Temperature, Rainfall & Pressure Means
* March, April & May
|
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 |
|
|
1976 |
12.9 |
25.3 |
07/05 |
2.7 |
07/03 |
3.9 |
11.7 |
23/05 |
-3.5 |
09/03 |
2.2 |
-8.3 |
08/03 |
9.7 |
10.1 |
20 |
26 |
53.8 |
29 |
9.1 |
14/04 |
1018 |
1034 |
01/03 |
986 |
12/03 |
7 |
4 |
1 |
0 |
2 |
2 |
1976 |
|
1977 |
12.4 |
23.1 |
28/05 |
4.9 |
28/03 |
3.9 |
10.0 |
22/04 |
-2.4 |
08/04 |
2.4 |
-7.8 |
30/03 |
9.4 |
9.7 |
12 |
22 |
112.0 |
47 |
9.9 |
26/04 |
1017 |
1032 |
29/03 |
994 |
01/04 |
5 |
2 |
4 |
0 |
8 |
3 |
1977 |
|
1978 |
12.4 |
26.7 |
31/05 |
4.0 |
13/04 |
3.7 |
9.1 |
24/05 |
-4.1 |
11/04 |
2.4 |
-6.4 |
07/04 |
9.3 |
9.7 |
11 |
24 |
187.4 |
48 |
52.5 |
05/05 |
1013 |
1033 |
11/05 |
982 |
16/03 |
12 |
4 |
6 |
4 |
1 |
1 |
1978 |
|
1979 |
11.9 |
26.5 |
15/05 |
0.8 |
16/03 |
4.5 |
14.1 |
15/05 |
-1.3 |
24/03 |
2.8 |
-4.4 |
24/03 |
8.5 |
8.9 |
5 |
25 |
250.8 |
60 |
22.8 |
20/05 |
1010 |
1032 |
18/04 |
978 |
27/03 |
2 |
1 |
14 |
3 |
8 |
8 |
1979 |
|
1980 |
12.6 |
23.1 |
19/05 |
2.3 |
19/03 |
4.2 |
11.0 |
13/05 |
-2.7 |
21/03 |
1.8 |
-7.6 |
21/03 |
9.6 |
9.9 |
7 |
30 |
98.1 |
31 |
17.5 |
17/03 |
1016 |
1036 |
05/04 |
979 |
07/03 |
1 |
0 |
2 |
1 |
0 |
0 |
1980 |
|
1981 |
12.9 |
21.9 |
31/05 |
4.3 |
04/03 |
5.8 |
11.5 |
31/05 |
-2.0 |
23/04 |
4.2 |
-5.7 |
23/04 |
10.2 |
10.5 |
3 |
17 |
198.0 |
58 |
18.5 |
09/03 |
1012 |
1032 |
20/04 |
980 |
22/03 |
5 |
0 |
6 |
0 |
7 |
6 |
1981 |
|
1982 |
13.7 |
25.1 |
31/05 |
7.1 |
29/03 |
4.9 |
13.3 |
21/05 |
-1.1 |
08/03 |
2.5 |
-5.2 |
05/03 |
9.9 |
10.4 |
3 |
29 |
130.0 |
36 |
22.1 |
27/05 |
1018 |
1039 |
24/03 |
988 |
10/03 |
3 |
3 |
0 |
0 |
6 |
2 |
1982 |
|
1983 |
12.2 |
21.7 |
31/05 |
4.4 |
18/04 |
4.7 |
10.4 |
06/05 |
-2.2 |
03/04 |
2.4 |
-5.7 |
28/03 |
9.2 |
9.5 |
2 |
21 |
252.6 |
58 |
24.9 |
31/05 |
1011 |
1038 |
04/03 |
986 |
23/03 |
2 |
0 |
5 |
2 |
14 |
13 |
1983 |
|
1984 |
12.0 |
23.1 |
21/04 |
4.5 |
02/03 |
3.2 |
9.5 |
22/04 |
-2.6 |
03/04 |
0.6 |
-8.7 |
03/04 |
8.9 |
9.3 |
7 |
40 |
132.5 |
34 |
24.8 |
21/05 |
1017 |
1042 |
08/03 |
985 |
24/03 |
11 |
1 |
5 |
0 |
2 |
1 |
1984 |
|
1985 |
12.4 |
22.5 |
26/05 |
3.0 |
20/03 |
4.6 |
12.5 |
26/05 |
-4.0 |
20/03 |
2.5 |
-8.7 |
19/03 |
9.0 |
9.4 |
11 |
26 |
103.5 |
47 |
9.0 |
14/05 |
1013 |
1043 |
11/03 |
983 |
22/03 |
4 |
3 |
8 |
2 |
5 |
4 |
1985 |
|
1986 |
11.8 |
22.0 |
02/05 |
-0.5 |
01/03 |
4.1 |
11.6 |
10/05 |
-6.6 |
03/03 |
2.1 |
-13.7 |
03/03 |
8.1 |
8.5 |
11 |
25 |
170.1 |
61 |
23.4 |
20/05 |
1013 |
1030 |
11/04 |
968 |
24/03 |
2 |
0 |
8 |
4 |
11 |
7 |
1986 |
|
1987 |
12.8 |
22.7 |
29/04 |
1.5 |
03/03 |
4.6 |
12.7 |
30/05 |
-5.0 |
14/03 |
2.3 |
-10.0 |
14/03 |
9.6 |
10.0 |
15 |
24 |
129.1 |
46 |
11.1 |
22/05 |
1017 |
1035 |
12/03 |
978 |
27/03 |
3 |
2 |
7 |
2 |
6 |
2 |
1987 |
|
1988 |
13.3 |
23.2 |
14/05 |
4.6 |
04/03 |
5.4 |
12.6 |
19/04 |
-2.7 |
05/03 |
3.3 |
-7.5 |
24/04 |
10.4 |
10.7 |
8 |
18 |
157.1 |
46 |
21.0 |
27/04 |
1015 |
1030 |
10/03 |
983 |
15/03 |
5 |
1 |
3 |
1 |
0 |
2 |
1988 |
|
1989 |
14.0 |
28.4 |
24/05 |
3.7 |
05/04 |
5.6 |
14.1 |
24/05 |
-1.2 |
26/04 |
3.3 |
-5.7 |
18/03 |
10.8 |
11.2 |
2 |
19 |
139.0 |
45 |
16.0 |
24/04 |
1016 |
1034 |
06/05 |
985 |
01/03 |
4 |
1 |
6 |
1 |
2 |
3 |
1989 |
|
1990 |
15.3 |
26.2 |
03/05 |
7.0 |
03/04 |
5.5 |
12.4 |
31/05 |
-2.2 |
09/04 |
2.3 |
-7.5 |
09/04 |
11.3 |
11.8 |
7 |
29 |
50.3 |
19 |
13.3 |
19/03 |
1022 |
1044 |
03/03 |
998 |
15/04 |
2 |
1 |
1 |
0 |
3 |
1 |
1990 |
|
1991 |
13.5 |
23.3 |
21/05 |
6.7 |
02/03 |
5.4 |
13.0 |
21/05 |
-3.0 |
30/03 |
3.1 |
-5.9 |
30/03 |
10.3 |
10.8 |
2 |
24 |
87.6 |
36 |
15.0 |
29/04 |
1020 |
1038 |
22/05 |
986 |
04/04 |
3 |
1 |
2 |
0 |
5 |
1 |
1991 |
|
1992 |
14.8 |
26.8 |
14/05 |
6.5 |
27/03 |
6.4 |
15.0 |
29/05 |
-0.4 |
04/04 |
3.7 |
-5.5 |
04/04 |
11.3 |
11.6 |
1 |
15 |
153.6 |
37 |
23.7 |
29/05 |
1017 |
1039 |
16/05 |
982 |
31/03 |
2 |
1 |
0 |
0 |
4 |
3 |
1992 |
|
1993 |
14.1 |
23.7 |
11/05 |
2.4 |
02/03 |
5.9 |
12.7 |
24/05 |
-1.9 |
01/03 |
3.5 |
-8.3 |
09/03 |
10.9 |
11.2 |
5 |
23 |
138.0 |
32 |
19.0 |
01/04 |
1017 |
1037 |
25/03 |
996 |
05/04 |
7 |
4 |
1 |
1 |
0 |
3 |
1993 |
|
1994 |
13.3 |
23.0 |
29/04 |
6.2 |
14/04 |
5.7 |
12.4 |
28/04 |
0.0 |
27/03 |
3.7 |
-3.7 |
27/03 |
10.5 |
10.8 |
0 |
25 |
165.3 |
49 |
17.7 |
21/05 |
1014 |
1031 |
10/03 |
971 |
01/04 |
0 |
0 |
4 |
1 |
6 |
1 |
1994 |
|
1995 |
14.1 |
26.5 |
05/05 |
3.5 |
03/03 |
5.2 |
13.7 |
07/05 |
-3.5 |
04/03 |
2.6 |
-8.9 |
04/03 |
10.5 |
10.8 |
6 |
28 |
104.4 |
34 |
30.1 |
02/03 |
1015 |
1037 |
21/03 |
986 |
17/03 |
4 |
4 |
7 |
3 |
7 |
3 |
1995 |
|
1996 |
12.0 |
25.1 |
30/05 |
2.5 |
13/03 |
3.7 |
13.4 |
30/05 |
-3.9 |
11/03 |
1.1 |
-9.4 |
04/04 |
8.8 |
9.2 |
18 |
41 |
40.4 |
29 |
6.3 |
12/04 |
1017 |
1035 |
01/03 |
996 |
19/05 |
7 |
6 |
2 |
0 |
3 |
0 |
1996 |
|
1997 |
15.3 |
25.5 |
02/05 |
9.4 |
04/03 |
5.6 |
14.5 |
18/05 |
-1.9 |
21/04 |
3.1 |
-6.0 |
21/04 |
11.0 |
11.5 |
3 |
22 |
55.6 |
29 |
11.7 |
05/05 |
1020 |
1036 |
08/03 |
987 |
05/05 |
5 |
3 |
2 |
0 |
2 |
3 |
1997 |
|
1998 |
14.3 |
25.5 |
15/05 |
6.0 |
15/04 |
6.2 |
13.1 |
09/05 |
-2.8 |
09/03 |
4.4 |
-8.0 |
09/03 |
11.1 |
11.7 |
5 |
13 |
176.8 |
48 |
32.0 |
09/04 |
1013 |
1042 |
19/03 |
980 |
04/04 |
4 |
0 |
4 |
1 |
6 |
8 |
1998 |
|
1999 |
15.1 |
24.5 |
29/05 |
3.2 |
06/03 |
6.6 |
14.7 |
28/05 |
-1.4 |
11/03 |
4.4 |
-6.0 |
11/03 |
11.3 |
11.8 |
4 |
13 |
94.9 |
41 |
11.7 |
30/05 |
1012 |
1030 |
16/03 |
980 |
03/03 |
2 |
0 |
2 |
0 |
2 |
3 |
1999 |
|
2000 |
13.9 |
26.0 |
15/05 |
4.9 |
04/04 |
6.0 |
15.1 |
16/05 |
-2.0 |
04/03 |
4.2 |
-5.6 |
04/03 |
10.7 |
11.2 |
3 |
17 |
191.0 |
53 |
18.8 |
27/05 |
1014 |
1038 |
19/03 |
981 |
12/04 |
4 |
0 |
1 |
0 |
5 |
3 |
2000 |
|
2001 |
13.5 |
25.9 |
11/05 |
2.8 |
17/03 |
4.9 |
16.3 |
28/05 |
-5.1 |
03/03 |
3.1 |
-11.1 |
03/03 |
9.8 |
10.4 |
8 |
20 |
189.3 |
52 |
12.9 |
16/03 |
1011 |
1033 |
13/04 |
990 |
28/03 |
0 |
0 |
7 |
3 |
10 |
3 |
2001 |
|
2002 |
14.8 |
23.5 |
16/05 |
7.2 |
13/03 |
5.7 |
13.0 |
21/05 |
-2.8 |
02/03 |
3.5 |
-7.3 |
02/03 |
10.8 |
11.4 |
2 |
22 |
132.0 |
35 |
11.2 |
13/05 |
1015 |
1037 |
24/03 |
986 |
18/03 |
2 |
0 |
0 |
0 |
3 |
2 |
2002 |
| 2003 | 15.5 | 26.0 | 30/05 | 7.0 | 13/03 | 5.5 | 14.9 | 31/05 | -3.4 | 08/04 | 3.2 | -6.3 | 08/04 | 10.3 | 10.9 | 11 | 22 | 79.9 | 28 | 11.6 | 05/03 | 1019 | 1043 | 16/03 | 992 | 28/04 | 3 | 1 | 2 | 0 | 3 | 2 | 2003 |
| 2004 | 14.2 | 24.0 | 17/05 | 4.8 | 11/03 | 6.1 | 12.4 | 20/05 | -3.7 | 01/03 | 4.1 | -7.8 | 01/03 | 10.3 | 10.9 | 5 | 14 | 152.7 | 40 | 20.7 | 07/05 | 1016 | 1039 | 01/03 | 975 | 18/04 | 1 | 1 | 3 | 0 | 10 | 3 | 2004 |
| 2005 | 14.2 | 30.3 | 27/05 | 3.3 | 02/03 | 5.7 | 14.5 | 27/05 | -3.6 | 04/03 | 3.4 | -8.5 | 04/03 | 10.4 | 11.0 | 8 | 22 | 111.0 | 44 | 15.8 | 21/05 | 1014 | 1034 | 09/03 | 990 | 18/04 | 4 | 1 | 5 | 1 | 5 | 6 | 2005 |
|
Mean |
13.5 |
X |
X |
X |
X |
5.1 |
X |
X |
X |
X |
2.9 |
X |
X |
10.1 |
10.5 |
6.8 |
23.2 |
134.6 |
41.7 |
X |
X |
1015 |
X |
X |
X |
X |
3.9 |
1.5 |
3.9 |
1.0 |
4.9 |
3.3 |
Mean |
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(This page last updated 17th April 2006 1938 GMT)