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)