|
CLAREMORRIS
|
|
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.
|
7.2
|
7.6
|
9.6
|
12.0
|
14.5
|
17.0
|
18.4
|
18.2
|
16.1
|
13.2
|
9.5
|
7.9
|
12.6
|
|
mean daily min.
|
1.4
|
1.3
|
2.3
|
3.3
|
5.5
|
8.2
|
10.2
|
9.8
|
8.1
|
6.3
|
3.0
|
2.3
|
5.1
|
|
mean
|
4.3
|
4.5
|
5.9
|
7.6
|
10.0
|
12.6
|
14.3
|
14.0
|
12.1
|
9.8
|
6.2
|
5.1
|
8.9
|
|
absolute max.
|
13.1
|
13.3
|
20.1
|
22.3
|
25.1
|
29.8
|
30.5
|
27.2
|
23.3
|
19.9
|
15.4
|
14.3
|
30.5
|
|
absolute min.
|
-11.7
|
-17.1
|
-8.0
|
-5.5
|
-3.1
|
-0.4
|
0.6
|
1.1
|
-1.2
|
-4.0
|
-5.3
|
-8.3
|
-17.1
|
|
mean no. of days with air frost
|
9.7
|
8.9
|
6.8
|
3.9
|
0.8
|
0.0
|
0.0
|
0.0
|
0.0
|
1.1
|
6.1
|
8.3
|
45.6
|
|
mean no. of days with ground frost
|
16.0
|
14.9
|
13.2
|
11.5
|
5.9
|
1.0
|
0.2
|
0.3
|
2.0
|
4.4
|
13.1
|
14.5
|
97.0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
RELATIVE HUMIDITY (%) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
mean at 0900UTC
|
91
|
91
|
88
|
84
|
80
|
81
|
84
|
87
|
89
|
92
|
92
|
92
|
88
|
|
mean at 1500UTC
|
86
|
79
|
74
|
69
|
68
|
72
|
73
|
75
|
77
|
81
|
85
|
88
|
77
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SUNSHINE (hours) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
mean daily duration
|
1.45
|
2.11
|
2.87
|
4.40
|
5.08
|
4.64
|
3.79
|
3.81
|
3.10
|
2.39
|
1.81
|
1.11
|
3.05
|
|
greatest daily duration
|
7.8
|
9.2
|
11.7
|
13.7
|
15.1
|
15.6
|
14.8
|
13.7
|
12.3
|
10.1
|
8.6
|
7.0
|
15.6
|
|
mean no. of days with no sun
|
11
|
8
|
6
|
3
|
2
|
2
|
3
|
3
|
4
|
6
|
9
|
12
|
69
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
RAINFALL (mm) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
mean monthly total
|
121.1
|
82.9
|
95.8
|
61.7
|
77.5
|
71.7
|
63.4
|
96.9
|
104.2
|
125.9
|
111.8
|
123.5
|
1136.4
|
|
greatest daily total
|
33.1
|
27.9
|
27.5
|
19.8
|
42.0
|
74.6
|
38.8
|
55.0
|
41.6
|
59.5
|
49.2
|
41.0
|
74.6
|
|
mean no. of days with >= 0.2mm
|
22
|
17
|
21
|
17
|
18
|
16
|
17
|
19
|
19
|
22
|
21
|
22
|
230
|
|
mean no. of days with >= 1.0mm
|
18
|
14
|
17
|
12
|
14
|
12
|
11
|
14
|
15
|
17
|
17
|
17
|
178
|
|
mean no. of days with >= 5.0mm
|
9
|
6
|
7
|
4
|
6
|
4
|
4
|
6
|
7
|
8
|
8
|
8
|
78
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WIND (knots) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
mean monthly speed
|
10.0
|
10.0
|
10.2
|
8.7
|
8.3
|
7.9
|
7.5
|
7.3
|
8.0
|
9.0
|
8.7
|
9.7
|
8.8
|
|
max. gust
|
96
|
85
|
74
|
57
|
62
|
54
|
66
|
54
|
91
|
70
|
70
|
79
|
96
|
|
max. mean 10-minute speed
|
59
|
48
|
45
|
36
|
41
|
36
|
39
|
33
|
60
|
46
|
40
|
51
|
60
|
|
mean no. of days with gales
|
1.2
|
0.9
|
1.0
|
0.1
|
0.1
|
0.1
|
0.0
|
0.0
|
0.2
|
0.4
|
0.5
|
0.7
|
5.2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WEATHER (mean
no. of days with..) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
snow or sleet
|
6.5
|
5.4
|
4.7
|
1.9
|
0.3
|
0.0
|
0.0
|
0.0
|
0.0
|
0.1
|
1.7
|
3.5
|
24.1
|
|
snow lying at 0900UTC
|
2.6
|
1.4
|
0.7
|
0.2
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.3
|
1.1
|
6.3
|
|
hail
|
4.2
|
3.3
|
5.7
|
3.6
|
1.9
|
0.4
|
0.0
|
0.0
|
0.7
|
1.0
|
3.0
|
2.7
|
26.5
|
|
thunder
|
0.4
|
0.2
|
0.2
|
0.3
|
0.5
|
0.9
|
0.9
|
0.4
|
0.2
|
0.4
|
0.3
|
0.5
|
5.1
|
|
fog
|
4.4
|
2.7
|
1.9
|
2.4
|
1.7
|
2.3
|
2.3
|
4.1
|
4.1
|
4.6
|
3.6
|
3.7
|
37.9
|
