Weather in Lerwick for a month

M
T
W
T
F
S
S
21 may
+10
+8
22
+11
+6
23
+10
+5
+10
min: +8
+11
+9
+11
+9
+11
+8
+14
+10
+13
+10
+13
+10
+12
+10
+11
+10
+11
+9
3
+11
+10
4
+11
+9
5
+10
+9
6
+10
+9
7
+10
+9
8
+10
+9
9
+11
+10
10
+11
+10
11
+11
+11
12
+11
+10
13
+11
+10
14
+11
+10
15
+10
+9
16
+11
+10
17
+11
+11
18
+11
+9
19
+11
+11
20
+12
+11
21
+11
+10
22
+10
+10
23
24

Geomagnetic field

T, 24 may
2 points
Small perturbations
F, 25 may
3 points
Weak geomagnetic storm
S, 26 may
2 points
Small perturbations