Weather in Grenchen for a month

M
T
W
T
F
S
S
+22
min: +10
+21
+13
+20
+12
+22
+13
+25
+12
+27
+16
+27
+18
+26
+18
+26
+15
+22
+17
31
+17
+14
1 jun
+18
+14
2
+18
+15
3
+19
+15
4
+19
+15
5
+23
+14
6
+24
+14
7
+16
+15
8
+21
+15
9
+14
+14
10
+18
+11
11
+20
+12
12
+21
+15
13
+16
+11
14
+10
+7
15
+11
+10
16
+16
+10
17
+18
+13
18
+20
+12
19
+14
+12
20
21
22
23
24

Geomagnetic field

M, 21 may
2 points
Small perturbations
T, 22 may
2 points
Small perturbations
W, 23 may
3 points
Weak geomagnetic storm