Royston (Iceni) Weather Station
Daily Weather Observations - May 1991
(All Times GMT)
|
Date |
Max |
Min |
Grass |
Earth |
Rain- |
Fog |
Fog |
Snow |
Snow |
Hail |
Thunder |
|
Temp |
Temp |
Min |
Temp |
fall |
(vis.< |
(vis< |
or |
Lying |
|||
|
(°C) |
(°C) |
Temp |
30cm |
(mm) |
1000m |
200m |
Sleet |
@ |
|||
|
(°C) |
08hrs |
08hrs) |
08hrs) |
08hrs |
|||||||
|
(°C) |
(X) |
(X) |
(X) |
(X) |
(X) |
(X) |
|||||
|
1 |
9.5 |
4.0 |
1.2 |
10.5 |
0.3 |
||||||
|
2 |
11.0 |
1.5 |
-2.1 |
10.0 |
0.2 |
||||||
|
3 |
10.2 |
2.2 |
-1.9 |
9.8 |
8.5 |
||||||
|
4 |
11.1 |
3.9 |
X |
9.9 |
0.4 |
||||||
|
5 |
9.1 |
4.9 |
3.2 |
10.5 |
TR |
||||||
|
6 |
9.6 |
5.0 |
4.7 |
10.4 |
0.3 |
||||||
|
7 |
10.5 |
5.0 |
1.5 |
10.5 |
0.1 |
||||||
|
8 |
15.0 |
6.8 |
6.3 |
10.5 |
0.0 |
||||||
|
9 |
14.5 |
1.1 |
-3.4 |
11.1 |
0.0 |
||||||
|
10 |
17.4 |
1.7 |
-0.5 |
11.8 |
0.0 |
||||||
|
11 |
15.5 |
7.1 |
4.2 |
12.4 |
0.0 |
||||||
|
12 |
19.0 |
5.5 |
2.0 |
12.4 |
0.0 |
||||||
|
13 |
20.0 |
12.0 |
11.2 |
13.5 |
0.3 |
||||||
|
14 |
16.5 |
7.6 |
7.5 |
14.4 |
0.0 |
||||||
|
15 |
14.5 |
5.9 |
2.6 |
14.5 |
3.2 |
||||||
|
16 |
14.5 |
7.0 |
5.0 |
14.0 |
3.2 |
||||||
|
17 |
14.4 |
7.0 |
7.4 |
13.0 |
0.5 |
||||||
|
18 |
13.9 |
6.0 |
2.1 |
13.4 |
0.3 |
||||||
|
19 |
17.5 |
10.1 |
6.7 |
13.1 |
0.0 |
||||||
|
20 |
21.3 |
11.0 |
9.9 |
13.8 |
0.0 |
||||||
|
21 |
23.3 |
13.0 |
10.6 |
14.7 |
0.0 |
||||||
|
22 |
21.0 |
12.0 |
9.5 |
15.8 |
0.0 |
||||||
|
23 |
17.6 |
9.6 |
6.9 |
16.0 |
TR |
||||||
|
24 |
18.3 |
7.8 |
6.5 |
15.5 |
0.3 |
||||||
|
25 |
20.5 |
9.0 |
4.5 |
15.0 |
0.0 |
||||||
|
26 |
17.8 |
11.5 |
9.3 |
15.6 |
0.0 |
||||||
|
27 |
19.0 |
7.9 |
3.0 |
15.5 |
TR |
||||||
|
28 |
12.4 |
8.5 |
8.4 |
15.6 |
0.3 |
||||||
|
29 |
12.6 |
7.8 |
7.6 |
14.8 |
0.1 |
||||||
|
30 |
13.1 |
8.5 |
8.5 |
14.5 |
0.0 |
||||||
|
31 |
12.4 |
7.9 |
7.9 |
14.3 |
TR |
||||||
|
Mean |
15.3 |
7.1 |
5.0 |
13.1 |
18.0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
/Total |
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(This page last updated 14th November 2007 2025 GMT)