Royston (Iceni) Weather Station
2010 Annual Summary
Part 1 Temperature, Rainfall & Sunshine
|
|
|
|
|
|
T e m p e r a t u r e (°C) |
|
|
|
|
|
|
|
|
|
|
Rainfall (mm) |
|
|
Sunshine (Hours) |
|
|
||||||||
|
Month |
Mean Maximum |
Highest Maximum |
Date(s) |
Lowest Maximum |
Date(s) |
Mean Minimum |
Highest Minimum |
Date(s) |
Lowest Minimum |
Date(s) |
Mean Grass Minimum |
Lowest Grass Minimum |
Date(s) |
Mean Dry Bulb (5 min. obs.) |
Mean Earth 30cms 09 GMT |
Mean Earth 30cms 21 GMT |
No. of Air Frosts |
No. of Ground Frosts |
Air Frost Duration (Hours) |
Total |
No. of Days with 0.2mm or more |
Most in a Day |
Date(s) |
Rainfall Duration (Hours) |
Total |
Highest |
Date(s) |
No. of Days no sun |
Month |
|
JAN |
3.5 |
8.4 |
18 |
0.0 |
4, 7, 8 |
-0.3 |
5.3 |
19 |
-7.2 |
9 |
-2.4 |
-13.3 |
9 |
1.4 |
3.3 |
3.3 |
17 |
22 |
252.4 |
38.7 |
17 |
9.2 |
14 |
45.7 |
64.8 |
7.2 |
30 |
13 |
JAN |
|
FEB |
5.7 |
10.1 |
27 |
1.2 |
8 |
0.8 |
5.4 |
25 |
-1.9 |
1 |
-1.1 |
-6.0 |
18 |
2.8 |
3.6 |
3.8 |
12 |
17 |
87.2 |
67.8 |
24 |
8.2 |
18 |
X |
44.8 |
7.7 |
1 |
11 |
FEB |
|
MAR |
11.0 |
17.3 |
24 |
5.0 |
10 |
3.1 |
11.0 |
20 |
-6.3 |
8 |
0.6 |
-10.6 |
7 |
6.4 |
6.1 |
6.5 |
6 |
14 |
58.8 |
24.9 |
14 |
4.8 |
30 |
X |
104.5 |
10.5 |
7 |
3 |
MAR |
|
APR |
15.6 |
21.5 |
28 |
10.0 |
1, 2 |
4.6 |
11.4 |
29 |
0.5 |
22 |
1.6 |
-3.6 |
22 |
9.6 |
10.1 |
10.7 |
0 |
12 |
0.0 |
17.3 |
9 |
4.0 |
25 |
X |
172.7 |
12.8 |
23 |
1 |
APR |
|
MAY |
17.3 |
28.1 |
23 |
9.2 |
8 |
6.7 |
15.5 |
24 |
-0.5 |
12 |
4.1 |
-4.1 |
12 |
11.5 |
13.4 |
14.1 |
1 |
7 |
2.4 |
37.1 |
9 |
19.4 |
1 |
X |
175.2 |
15.7 |
23 |
0 |
MAY |
|
JUN |
22.1 |
29.5 |
27 |
14.1 |
1 |
10.8 |
16.3 |
29 |
4.6 |
17 |
8.3 |
1.6 |
17 |
16.1 |
17.2 |
18.0 |
0 |
0 |
0.0 |
42.3 |
10 |
22.3 |
6 |
X |
216.8 |
16.0 |
3 |
1 |
JUN |
|
JUL |
24.4 |
31.3 |
9 |
19.5 |
13 |
14.4 |
18.0 |
2 |
10.0 |
6 |
12.8 |
6.6 |
6 |
18.9 |
19.7 |
20.5 |
0 |
0 |
0.0 |
20.4 |
11 |
6.8 |
27 |
X |
168.2 |
14.1 |
10 |
1 |
JUL |
|
AUG |
20.8 |
25.0 |
9 |
17.1 |
4 |
12.3 |
18.5 |
21 |
7.2 |
31 |
10.8 |
3.9 |
31 |
15.9 |
17.7 |
18.3 |
0 |
0 |
0.0 |
149.3 |
20 |
51.8 |
25 |
X |
120.6 |
11.8 |
31 |
1 |
AUG |
|
SEP |
18.8 |
23.6 |
22 |
12.9 |
24 |
10.7 |
15.5 |
11 |
4.7 |
25 |
8.9 |
2.7 |
25 |
14.2 |
15.4 |
15.8 |
0 |
0 |
0.0 |
53.8 |
17 |
12.6 |
29 |
X |
130.4 |
12.4 |
1 |
1 |
SEP |
|
OCT |
14.4 |
20.7 |
10 |
8.9 |
25 |
8.1 |
14.0 |
9 |
-0.1 |
25 |
6.2 |
-3.4 |
25 |
10.5 |
11.9 |
12.1 |
1 |
5 |
1.8 |
63.9 |
16 |
13.4 |
2 |
X |
112.4 |
9.1 |
25 |
6 |
OCT |
|
NOV |
7.8 |
17.2 |
4 |
-1.0 |
28 |
3.4 |
14.8 |
5 |
-7.1 |
28 |
0.8 |
-10.5 |
28 |
5.3 |
7.7 |
7.8 |
7 |
15 |
108.8 |
34.1 |
19 |
14.1 |
5 |
X |
66.1 |
7.4 |
16 |
6 |
NOV |
|
DEC |
2.4 |
8.0 |
11 |
-2.7 |
19 |
-2.1 |
4.8 |
11 |
-11.0 |
20 |
-4.6 |
-14.5 |
19 |
0.1 |
3.1 |
3.2 |
22 |
24 |
386.5 |
24.5 |
11 |
8.4 |
18 |
X |
37.5 |
6.1 |
9 |
11 |
DEC |
|
YEAR |
13.7 |
X |
X |
X |
X |
6.0 |
X |
X |
X |
X |
3.8 |
X |
X |
9.4 |
10.8 |
11.2 |
66 |
116 |
897.9 |
574.1 |
177 |
X |
X |
45.7 |
1414.0 |
X |
X |
55 |
YEAR |
Part 2 Air Pressure, Wind Direction, Wind Speed, Humidity, Cloud Cover, Fog, Snow Falling, Snow Lying, Hail & Thunder
|
|
P r e s s u r e (mb) |
|
Wind Direction 0900 GMT (No. of Days) |
|
Wind Speed (MPH) |
Humidity |
Cloud |
No of Days With: |
|
|
||||||||||||||||
|
Month |
Mean MSL Air Pressure |
Highest |
Date(s) |
Lowest |
Date(s) |
N |
NE |
E |
SE |
S |
SW |
W |
NW |
CALM |
Mean Wind Speed |
Maximum Gust |
Date |
Mean Relative Humidity (5 min.obs.) |
Mean Cloud Cover 09 GMT (oktas) |
Fog (visibility < 1000m @ 09 GMT) |
Fog (visibility < 200m @ 09 GMT) |
Snow or Rain and Snow |
Snow Lying (> 50% cover @ 09 GMT) |
Hail |
Thunder |
Month |
|
JAN |
1014.7 |
1042.2 |
26 |
989.6 |
29 |
1 |
7 |
4 |
4 |
1 |
4 |
6 |
4 |
0 |
4.9 |
31 |
16 |
88.2 |
6.0 |
0 |
0 |
13 |
10 |
0 |
0 |
JAN |
|
FEB |
1002.6 |
1024.6 |
12 |
977.0 |
25 |
7 |
5 |
1 |
3 |
4 |
4 |
4 |
0 |
0 |
5.6 |
38 |
26 |
87.7 |
7.2 |
1 |
0 |
12 |
5 |
0 |
0 |
FEB |
|
MAR |
1015.8 |
1035.0 |
7 |
980.5 |
31 |
1 |
6 |
1 |
2 |
6 |
6 |
5 |
4 |
0 |
6.8 |
34 |
31 |
77.8 |
5.2 |
1 |
0 |
0 |
0 |
0 |
0 |
MAR |
|
APR |
1018.9 |
1034.5 |
10 |
998.5 |
2 |
4 |
6 |
1 |
2 |
6 |
3 |
5 |
3 |
0 |
5.7 |
32 |
2 |
69.7 |
4.0 |
0 |
0 |
0 |
0 |
1 |
0 |
APR |
|
MAY |
1016.9 |
1031.9 |
20 |
1004.3 |
29 |
5 |
11 |
1 |
1 |
0 |
3 |
6 |
4 |
0 |
4.6 |
35 |
30 |
70.4 |
4.9 |
0 |
0 |
0 |
0 |
1 |
0 |
MAY |
|
JUN |
1017.0 |
1028.9 |
15 16 |
999.6 |
8 |
4 |
5 |
2 |
3 |
3 |
2 |
5 |
6 |
0 |
4.2 |
25 |
10 |
70.8 |
4.5 |
0 |
0 |
0 |
0 |
0 |
1 |
JUN |
|
JUL |
1014.3 |
1026.0 |
6 |
998.3 |
15 |
1 |
2 |
0 |
1 |
4 |
13 |
6 |
4 |
0 |
6.3 |
37 |
15 16 |
66.5 |
5.4 |
0 |
0 |
0 |
0 |
0 |
1 |
JUL |
|
AUG |
1013.1 |
1026.9 |
31 |
992.9 |
23 |
3 |
1 |
1 |
0 |
2 |
9 |
10 |
5 |
0 |
6.1 |
38 |
29 |
78.0 |
5.8 |
0 |
0 |
0 |
0 |
0 |
1 |
AUG |
|
SEP |
1014.0 |
1026.0 |
13 |
999.0 |
7 |
2 |
2 |
0 |
3 |
6 |
6 |
6 |
5 |
0 |
5.9 |
36 |
15 |
79.3 |
5.2 |
1 |
0 |
0 |
0 |
0 |
0 |
SEP |
|
OCT |
1012.3 |
1029.0 |
25 |
991.9 |
3 |
3 |
5 |
1 |
2 |
6 |
7 |
3 |
4 |
0 |
5.8 |
34 |
3 |
84.3 |
5.7 |
3 |
0 |
0 |
0 |
0 |
0 |
OCT |
|
NOV |
1005.0 |
1021.8 |
16 |
966.4 |
8 |
1 |
4 |
0 |
4 |
2 |
5 |
7 |
7 |
0 |
6.2 |
46 |
11 |
87.4 |
5.6 |
2 |
0 |
4 |
2 |
0 |
0 |
NOV |
|
DEC |
1014.0 |
1037.1 |
14 15 |
990.0 |
18 |
7 |
2 |
1 |
2 |
3 |
2 |
7 |
5 |
2 |
4.5 |
29 |
4 |
89.1 |
6.9 |
7 |
2 |
10 |
16 |
0 |
0 |
DEC |
|
YEAR |
1013.2 |
X |
X |
X |
X |
39 |
56 |
13 |
27 |
43 |
64 |
70 |
51 |
2 |
5.6 |
X |
X |
79.1 |
5.5 |
15 |
2 |
39 |
33 |
2 |
3 |
YEAR |
Click on the links below to access the graphs and charts representing the data in the above tables.........
1. Monthly Mean Maximum & Minimum Temperatures 2. Monthly Temperature Extremes
3. Monthly Mean Earth (30 cms Depth) Temperature 4. Monthly Frequency of Air & Ground Frost, and Air Frost Duration
5. Monthly Rainfall 6. Monthly Rainfall Duration 7. Monthly Sunshine Duration
8. Monthly Rainfall & Mean MSL Air Pressure 9. Monthly Mean, Highest and Lowest MSL Air Pressure
10. Monthly Wind Direction Frequency @ 0900 GMT
11. Monthly Maximum Gust & Mean Wind Speed 12. Monthly Mean Relative Humidity
Return to Welcome to Royston (Iceni) Weather Station header page
(This page last updated 13th January 2011 2105 GMT)