|
MALIN HEAD
|
|
monthly and annual mean and extreme values
|
|
1961-1990
|
|
TEMPERATURE (degrees Celsius) |
jan
|
feb
|
mar
|
apr
|
may
|
jun
|
jul
|
aug
|
sep
|
oct
|
nov
|
dec
|
year
|
|
mean daily max.
|
7.6 |
7.5 |
8.7 |
10.3 |
12.7 |
15.0 |
16.2 |
16.6 |
15.3 |
13.0 |
9.8 |
8.4 |
11.8
|
|
mean daily min.
|
3.2 |
2.9 |
3.7 |
5.0 |
7.1 |
9.6 |
11.4 |
11.4 |
10.1 |
8.3 |
5.2 |
4.2 |
6.8
|
|
mean
|
5.4 |
5.2 |
6.2 |
7.6 |
9.9 |
12.3 |
13.8 |
14.0 |
12.7 |
10.7 |
7.5 |
6.3 |
9.3
|
|
absolute max.
|
13.9 |
13.8 |
19.0 |
19.5 |
24.7 |
25.0 |
27.0 |
25.3 |
23.2 |
19.6 |
16.0 |
15.1 |
27.0
|
|
absolute min.
|
-6.2 |
-6.2 |
-4.4 |
-1.8 |
-0.5 |
2.6 |
5.6 |
5.2 |
2.0 |
1.0 |
-2.5 |
-5.5 |
-6.2
|
|
mean no. of days with air frost
|
3.4 |
3.3 |
1.6 |
0.4 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.4 |
1.8 |
11.0
|
|
mean no. of days with ground frost
|
9.6 |
9.8 |
7.4 |
4.3 |
1.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.3 |
3.7 |
6.7 |
42.9
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
RELATIVE HUMIDITY (%) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
mean at 0900UTC
|
83 |
82 |
81 |
79 |
79 |
81 |
84 |
84 |
83 |
83 |
82 |
83 |
82
|
|
mean at 1500UTC
|
80 |
77 |
76 |
76 |
76 |
78 |
80 |
79 |
78 |
78 |
79 |
81 |
78
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SUNSHINE (hours) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
mean daily duration
|
1.2 |
2.2 |
3.1 |
5.1 |
6.2 |
5.7 |
4.3 |
4.3 |
3.5 |
2.4 |
1.5 |
0.9 |
3.4
|
|
greatest daily duration
|
7.5 |
9.2 |
11.1 |
14.1 |
15.5 |
16.2 |
16.1 |
14.8 |
11.9 |
9.4 |
7.6 |
6.7 |
16.2
|
|
mean no. of days with no sun
|
11 |
7 |
6 |
3 |
2 |
2 |
3 |
3 |
4 |
6 |
8 |
12 |
67
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
RAINFALL (mm) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
mean monthly total
|
114.2 |
76.6 |
86.5 |
57.5 |
58.9 |
65 |
71.8 |
91.6 |
102.1 |
118.7 |
114.7 |
102.9 |
1060.5
|
|
greatest daily total
|
36.9 |
24.1 |
26.3 |
36.1 |
29.8 |
32.5 |
26.2 |
41.5 |
53.5 |
63.2 |
56.1 |
33.5 |
63.2
|
|
mean no. of days with >= 0.2mm
|
22 |
17 |
21 |
17 |
17 |
18 |
19 |
20 |
21 |
22 |
22 |
23 |
237
|
|
mean no. of days with >= 1.0mm
|
19 |
13 |
16 |
12 |
12 |
13 |
13 |
15 |
16 |
18 |
18 |
18 |
182
|
|
mean no. of days with >= 5.0mm
|
9 |
6 |
7 |
4 |
4 |
4 |
5 |
6 |
7 |
8 |
8 |
7 |
76
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WIND (knots) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
mean monthly speed
|
19.0 |
18.4 |
17.9 |
15.1 |
14.2 |
13.2 |
13.2 |
13.2 |
15.7 |
17.5 |
18.3 |
19.0 |
16.3
|
|
max. gust
|
91 |
86 |
90 |
69 |
71 |
74 |
74 |
67 |
98 |
76 |
76 |
88 |
98
|
|
max. mean 10-minute speed
|
64 |
57 |
67 |
47 |
49 |
52 |
55 |
45 |
66 |
57 |
56 |
59 |
67
|
|
mean no. of days with gales
|
11.2 |
8.6 |
8.0 |
3.4 |
2.3 |
1.3 |
0.8 |
1.5 |
3.8 |
6.7 |
8.7 |
9.7 |
66.0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WEATHER (mean no. of days with...) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
snow or sleet
|
6.6 |
6.0 |
4.6 |
2.4 |
0.2 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
1.9 |
3.9 |
25.8
|
|
snow lying at 0900UTC
|
0.9 |
1.0 |
0.5 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.8 |
3.3
|
|
hail
|
8.6 |
5.8 |
7.9 |
4.7 |
1.9 |
0.4 |
0.1 |
0.1 |
0.6 |
3.1 |
7.9 |
7.3 |
48.4
|
|
thunder
|
0.6 |
0.4 |
0.4 |
0.3 |
0.4 |
0.8 |
0.6 |
0.4 |
0.4 |
0.6 |
0.6 |
0.6 |
5.9
|
|
fog
|
0.4 |
0.5 |
0.7 |
1.9 |
1.0 |
2.0 |
2.2 |
1.3 |
0.6 |
0.4 |
0.2 |
0.4 |
11.8
|
