Royston (Iceni) Weather Station
Daily Weather Observations - May 1999
(All times GMT)
|
Date |
Max. Temp. (Deg.C) 09/09h |
Min. Temp. (Deg.C) 09/09h |
Grass Min. Temp. (Deg.C) 21/09h |
Earth (30cms) Temp. 09h |
Sunshine (Hours) 00/00h |
Rainfall (MM) 09/09h |
Wind Direction 09h |
Mean Wind Speed (MPH) 00/00h |
Maximum Gust Speed (MPH) 00/00h |
Cloud Cover (Oktas) 09h |
Mean MSL Pressure (Mb) 00/00h |
Mean Relative Humidity (%) 00/00h |
Mean Temp. 00/00h |
Fog (vis. <1000m @ 09h) |
Fog (vis. <200m @ 09h) |
Snow or Rain and Snow 00/00h |
Snow Lying @ 09h (>50% cover) |
Hail 00/00h |
Thunder 00/00h |
|
1 |
20.0 |
7.2 |
4.0 |
13.9 |
10.01 |
0.0 |
SW |
2.5 |
18 |
3 |
1017.7 |
74.8 |
12.9 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2 |
19.0 |
7.6 |
6.3 |
14.2 |
5.11 |
0.0 |
NE |
1.1 |
16 |
8 |
1020.5 |
81.5 |
12.2 |
0 |
0 |
0 |
0 |
0 |
0 |
|
3 |
22.0 |
8.5 |
6.1 |
14.5 |
11.97 |
0.0 |
S |
2.6 |
16 |
0 |
1019.9 |
66.5 |
14.2 |
0 |
0 |
0 |
0 |
0 |
0 |
|
4 |
17.4 |
7.7 |
4.8 |
14.9 |
2.62 |
0.0 |
NE |
3.2 |
23 |
8 |
1015.7 |
71.4 |
11.7 |
0 |
0 |
0 |
0 |
0 |
0 |
|
5 |
18.5 |
6.0 |
2.1 |
14.6 |
3.43 |
0.1 |
NE |
1.0 |
16 |
6 |
1010.0 |
80.7 |
11.3 |
0 |
0 |
0 |
0 |
0 |
0 |
|
6 |
18.0 |
9.9 |
9.6 |
14.8 |
1.53 |
0.0 |
SW |
2.7 |
18 |
8 |
1011.5 |
79.4 |
13.3 |
0 |
0 |
0 |
0 |
0 |
0 |
|
7 |
18.7 |
7.7 |
4.4 |
14.5 |
3.40 |
2.2 |
SE |
2.0 |
18 |
5 |
1007.5 |
85.3 |
13.1 |
0 |
0 |
0 |
0 |
0 |
0 |
|
8 |
16.7 |
8.0 |
6.5 |
14.3 |
5.15 |
3.1 |
SW |
7.5 |
32 |
3 |
1008.0 |
85.1 |
12.3 |
0 |
0 |
0 |
0 |
0 |
0 |
|
9 |
20.7 |
12.5 |
11.3 |
14.1 |
5.98 |
0.2 |
SW |
6.2 |
30 |
7 |
1010.7 |
72.2 |
15.3 |
0 |
0 |
0 |
0 |
0 |
0 |
|
10 |
17.8 |
12.0 |
9.5 |
15.0 |
8.62 |
2.6 |
SW |
6.7 |
35 |
5 |
1007.0 |
77.8 |
14.1 |
0 |
0 |
0 |
0 |
0 |
0 |
|
11 |
18.2 |
10.0 |
8.4 |
14.9 |
4.25 |
0.2 |
SW |
5.6 |
30 |
4 |
1007.2 |
80.5 |
13.4 |
0 |
0 |
0 |
0 |
0 |
0 |
|
12 |
18.6 |
10.0 |
8.6 |
14.9 |
4.52 |
0.7 |
SW |
6.4 |
25 |
7 |
1007.2 |
77.8 |
13.1 |
0 |
0 |
0 |
0 |
0 |
0 |
|
13 |
16.8 |
9.8 |
8.0 |
14.8 |
3.45 |
1.6 |
SW |
6.1 |
23 |
7 |
1007.7 |
74.8 |
12.7 |
0 |
0 |
0 |
0 |
0 |
0 |
|
14 |
16.9 |
9.8 |
8.9 |
14.6 |
3.27 |
2.7 |
SW |
1.5 |
14 |
8 |
1009.5 |
84.0 |
12.4 |
0 |
0 |
0 |
0 |
0 |
0 |
|
15 |
15.9 |
9.0 |
7.6 |
14.8 |
0.79 |
0.0 |
NE |
0.9 |
14 |
8 |
1018.4 |
77.3 |
11.7 |
0 |
0 |
0 |
0 |
0 |
0 |
|
16 |
16.4 |
4.9 |
2.0 |
14.5 |
7.19 |
0.1 |
NE |
1.4 |
18 |
1 |
1021.9 |
71.2 |
10.5 |
0 |
0 |
0 |
0 |
0 |
0 |
|
17 |
15.1 |
4.5 |
1.1 |
14.5 |
4.21 |
0.4 |
NE |
4.9 |
35 |
8 |
1019.7 |
75.7 |
10.2 |
0 |
0 |
0 |
0 |
0 |
0 |
|
18 |
16.8 |
7.5 |
4.4 |
14.3 |
1.58 |
0.6 |
E |
2.5 |
25 |
8 |
1013.6 |
80.3 |
12.0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
19 |
22.5 |
8.3 |
5.5 |
14.5 |
9.66 |
0.0 |
N |
0.3 |
14 |
2 |
1009.9 |
74.9 |
15.5 |
0 |
0 |
0 |
0 |
0 |
0 |
|
20 |
22.5 |
10.1 |
8.7 |
15.8 |
8.23 |
0.0 |
N |
1.7 |
18 |
5 |
1010.4 |
73.3 |
15.5 |
0 |
0 |
0 |
0 |
0 |
0 |
|
21 |
18.5 |
10.0 |
8.0 |
16.3 |
4.30 |
0.3 |
W |
7.6 |
37 |
3 |
1011.5 |
74.4 |
14.0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
22 |
17.5 |
7.6 |
6.2 |
15.5 |
9.71 |
0.0 |
W |
7.6 |
28 |
3 |
1016.0 |
61.9 |
12.4 |
0 |
0 |
0 |
0 |
0 |
0 |
|
23 |
19.8 |
9.8 |
8.2 |
15.5 |
3.16 |
0.0 |
W |
8.2 |
30 |
7 |
1018.0 |
76.1 |
14.1 |
0 |
0 |
0 |
0 |
0 |
0 |
|
24 |
19.0 |
11.5 |
11.3 |
15.6 |
2.30 |
0.0 |
W |
7.2 |
30 |
8 |
1017.1 |
74.5 |
14.2 |
0 |
0 |
0 |
0 |
0 |
0 |
|
25 |
18.0 |
8.0 |
6.0 |
15.5 |
12.37 |
0.0 |
W |
4.2 |
21 |
2 |
1018.9 |
63.7 |
13.0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
26 |
21.0 |
7.1 |
5.5 |
15.5 |
6.55 |
0.0 |
SW |
4.0 |
23 |
7 |
1017.4 |
69.0 |
14.2 |
0 |
0 |
0 |
0 |
0 |
0 |
|
27 |
24.3 |
11.6 |
7.9 |
16.0 |
13.69 |
0.1 |
SE |
1.4 |
23 |
0 |
1014.3 |
60.1 |
17.6 |
0 |
0 |
0 |
0 |
0 |
1 |
|
28 |
22.5 |
14.7 |
13.4 |
17.0 |
8.72 |
0.0 |
SW |
8.7 |
32 |
4 |
1015.4 |
71.3 |
17.2 |
0 |
0 |
0 |
0 |
0 |
0 |
|
29 |
24.5 |
10.6 |
7.0 |
17.3 |
8.72 |
0.2 |
NE |
1.1 |
16 |
0 |
1015.8 |
71.8 |
17.0 |
0 |
0 |
0 |
0 |
0 |
1 |
|
30 |
13.0 |
12.6 |
10.7 |
17.4 |
0.00 |
11.7 |
NE |
2.7 |
23 |
8 |
1017.9 |
94.7 |
11.4 |
0 |
0 |
0 |
0 |
0 |
0 |
|
31 |
16.0 |
7.8 |
5.2 |
15.6 |
0.00 |
0.0 |
CALM |
0.5 |
12 |
8 |
1022.6 |
82.8 |
11.7 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Mean/ |
|||||||||||||||||||
|
Total |
18.8 |
9.1 |
7.0 |
15.1 |
174.49 |
26.8 |
X |
3.9 |
X |
5.2 |
1014.2 |
75.6 |
13.4 |
0 |
0 |
0 |
0 |
0 |
2 |
|
NOTE: Days with no rainfall or rainfall "trace" shown as "0.0"; days with rainfall "trace" in italics. |
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|
ADDITIONAL METLOG MONTHLY DATA: Rainfall 25.8 mm; rainfall duratn 17.1 hrs; air frost duratn NIL. |
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(This page last updated 8th October 2007 1902 GMT)