Weather in Butt of Lewis for a month

M
T
W
T
F
S
S
21 may
+9
+7
22
+9
+7
23
+14
+7
24
+17
+5
+12
min: +6
+13
+9
+15
+11
+13
+11
+12
+9
+13
+11
+12
+10
+10
+9
+10
+9
+10
+9
4
+9
+7
5
+9
+7
6
+9
+8
7
+11
+10
8
+10
+10
9
+11
+10
10
+10
+9
11
+11
+10
12
+12
+11
13
+10
+9
14
+11
+10
15
+10
+9
16
+10
+9
17
+11
+10
18
+11
+10
19
+13
+11
20
+13
+11
21
+13
+12
22
+13
+12
23
+12
+12
24

Geomagnetic field

F, 25 may
2 points
Small perturbations
S, 26 may
2 points
Small perturbations
S, 27 may
2 points
Small perturbations